how to bind data with checkbox angular 2?












0















JSON



[ {
"code" : "TEST",
"projectId" : "PROJECT",
"name" : "TEST",
"description" : "test",
"level1" : "1 ",
"level2" : "2 ",
"level3" : "3",
"level4" : "4",
"level5" : "5",
"active" : false
}, {
"code" : "test",
"projectId" : "PROJECT",
"name" : "Test",
"description" : "test 11",
"level1" : "1 ",
"level2" : "2 ",
"level3" : "3",
"level4" : "4",
"level5" : "5",
"active" : true
}, {
"code" : "asdasd2122",
"projectId" : "PROJECT",
"name" : "TEST12",
"description" : "ashdasdhl",
"level1" : "1 ",
"level2" : "2 ",
"level3" : "3",
"level4" : "4",
"level5" : "5",
"active" : false
}, {
"code" : "test1a",
"projectId" : "PROJECT",
"name" : "TEST122",
"description" : "a,sndkajlskdjlkajd",
"level1" : "1 ",
"level2" : "2 ",
"level3" : "3",
"level4" : "4",
"level5" : "5",
"active" : true
}, {
"code" : "dasdasd",
"projectId" : "PROJECT",
"name" : "test123123",
"description" : "asdasdasd",
"level1" : "1 ",
"level2" : "2 ",
"level3" : "3",
"level4" : "4",
"level5" : "5",
"active" : true
},
{
"code" : "asdasdTES",
"projectId" : "PROJECT",
"name" : "TEST123",
"description" : "asdasdasd",
"level1" : "1 ",
"level2" : "2 ",
"level3" : "3",
"level4" : "4",
"level5" : "5",
"active" : true
} ]


HTML



            <mat-table [dataSource]="offersColumnRowData" matSort matSortActive="NAME">

<ng-container matColumnDef="SELECT">
<mat-header-cell *matHeaderCellDef> SELECT </mat-header-cell>
<mat-cell *matCellDef="let element">
<mat-checkbox>
</mat-checkbox>
</mat-cell>
</ng-container>

<ng-container matColumnDef="NAME">
<mat-header-cell *matHeaderCellDef> NAME </mat-header-cell>
<mat-cell *matCellDef="let element">{{ element.name }} </mat-cell>
</ng-container>

<ng-container matColumnDef="CODE">
<mat-header-cell *matHeaderCellDef> CODE </mat-header-cell>
<mat-cell *matCellDef="let element">{{ element.code }} </mat-cell>
</ng-container>

<ng-container matColumnDef="DESCRIPTION">
<mat-header-cell *matHeaderCellDef> DESCRIPTION </mat-header-cell>
<mat-cell *matCellDef="let element"> {{ element.description}} </mat-cell>
</ng-container>

<ng-container matColumnDef="CREATEDATE">
<mat-header-cell *matHeaderCellDef> CREATEDATE </mat-header-cell>
<mat-cell *matCellDef="let element"> </mat-cell>
</ng-container>

<ng-container matColumnDef="UNAME">
<mat-header-cell *matHeaderCellDef> UNAME </mat-header-cell>
<mat-cell *matCellDef="let element"> </mat-cell>
</ng-container>

<ng-container matColumnDef="ISACTIVE">
<mat-header-cell *matHeaderCellDef> ISACTIVE </mat-header-cell>
<mat-cell *matCellDef="let element">
<mat-checkbox type="checkbox">
</mat-checkbox>
</mat-cell>
</ng-container>

<mat-header-row *matHeaderRowDef="offersColumns"></mat-header-row>
<mat-row *matRowDef="let row; columns: offersColumns;" (mouseover)="row.hovered = true" (mouseout)="row.hovered = false"></mat-row>
</mat-table>


I'm trying to bind values into checkbox! the values in form of boolean (TRUE|FALSE)



I have tried to bind the with check box but its not working



Explaination: goto to my stackblitz -> if i select any checkbox from SELECT column the code column should be selected(i just want to print select column row CODE in console log)



2) how to bind Boolean values into checkbox column that column name is ISACTIVE if active is false check box is not selected if active is true -> checkbox is selected!



Here it is my stackblits link it would be easy for you!



https://stackblitz.com/edit/angular-gbf9kz-a2s4zc?file=app%2Ftable-basic-example.ts










share|improve this question























  • <mat-checkbox type="checkbox" [(ngModel)]="element.active">

    – Ric
    Jan 2 at 12:04











  • thank you @Ric but if i select check box from SELECT column i want to print selected row CODE column data could you please help me that

    – Just Teach Me
    Jan 2 at 12:07











  • See my answer below. It will allow you to get the code from the selected checkbox.

    – prettyfly
    Jan 2 at 12:08
















0















JSON



[ {
"code" : "TEST",
"projectId" : "PROJECT",
"name" : "TEST",
"description" : "test",
"level1" : "1 ",
"level2" : "2 ",
"level3" : "3",
"level4" : "4",
"level5" : "5",
"active" : false
}, {
"code" : "test",
"projectId" : "PROJECT",
"name" : "Test",
"description" : "test 11",
"level1" : "1 ",
"level2" : "2 ",
"level3" : "3",
"level4" : "4",
"level5" : "5",
"active" : true
}, {
"code" : "asdasd2122",
"projectId" : "PROJECT",
"name" : "TEST12",
"description" : "ashdasdhl",
"level1" : "1 ",
"level2" : "2 ",
"level3" : "3",
"level4" : "4",
"level5" : "5",
"active" : false
}, {
"code" : "test1a",
"projectId" : "PROJECT",
"name" : "TEST122",
"description" : "a,sndkajlskdjlkajd",
"level1" : "1 ",
"level2" : "2 ",
"level3" : "3",
"level4" : "4",
"level5" : "5",
"active" : true
}, {
"code" : "dasdasd",
"projectId" : "PROJECT",
"name" : "test123123",
"description" : "asdasdasd",
"level1" : "1 ",
"level2" : "2 ",
"level3" : "3",
"level4" : "4",
"level5" : "5",
"active" : true
},
{
"code" : "asdasdTES",
"projectId" : "PROJECT",
"name" : "TEST123",
"description" : "asdasdasd",
"level1" : "1 ",
"level2" : "2 ",
"level3" : "3",
"level4" : "4",
"level5" : "5",
"active" : true
} ]


HTML



            <mat-table [dataSource]="offersColumnRowData" matSort matSortActive="NAME">

<ng-container matColumnDef="SELECT">
<mat-header-cell *matHeaderCellDef> SELECT </mat-header-cell>
<mat-cell *matCellDef="let element">
<mat-checkbox>
</mat-checkbox>
</mat-cell>
</ng-container>

<ng-container matColumnDef="NAME">
<mat-header-cell *matHeaderCellDef> NAME </mat-header-cell>
<mat-cell *matCellDef="let element">{{ element.name }} </mat-cell>
</ng-container>

<ng-container matColumnDef="CODE">
<mat-header-cell *matHeaderCellDef> CODE </mat-header-cell>
<mat-cell *matCellDef="let element">{{ element.code }} </mat-cell>
</ng-container>

<ng-container matColumnDef="DESCRIPTION">
<mat-header-cell *matHeaderCellDef> DESCRIPTION </mat-header-cell>
<mat-cell *matCellDef="let element"> {{ element.description}} </mat-cell>
</ng-container>

<ng-container matColumnDef="CREATEDATE">
<mat-header-cell *matHeaderCellDef> CREATEDATE </mat-header-cell>
<mat-cell *matCellDef="let element"> </mat-cell>
</ng-container>

<ng-container matColumnDef="UNAME">
<mat-header-cell *matHeaderCellDef> UNAME </mat-header-cell>
<mat-cell *matCellDef="let element"> </mat-cell>
</ng-container>

<ng-container matColumnDef="ISACTIVE">
<mat-header-cell *matHeaderCellDef> ISACTIVE </mat-header-cell>
<mat-cell *matCellDef="let element">
<mat-checkbox type="checkbox">
</mat-checkbox>
</mat-cell>
</ng-container>

<mat-header-row *matHeaderRowDef="offersColumns"></mat-header-row>
<mat-row *matRowDef="let row; columns: offersColumns;" (mouseover)="row.hovered = true" (mouseout)="row.hovered = false"></mat-row>
</mat-table>


I'm trying to bind values into checkbox! the values in form of boolean (TRUE|FALSE)



I have tried to bind the with check box but its not working



Explaination: goto to my stackblitz -> if i select any checkbox from SELECT column the code column should be selected(i just want to print select column row CODE in console log)



2) how to bind Boolean values into checkbox column that column name is ISACTIVE if active is false check box is not selected if active is true -> checkbox is selected!



Here it is my stackblits link it would be easy for you!



https://stackblitz.com/edit/angular-gbf9kz-a2s4zc?file=app%2Ftable-basic-example.ts










share|improve this question























  • <mat-checkbox type="checkbox" [(ngModel)]="element.active">

    – Ric
    Jan 2 at 12:04











  • thank you @Ric but if i select check box from SELECT column i want to print selected row CODE column data could you please help me that

    – Just Teach Me
    Jan 2 at 12:07











  • See my answer below. It will allow you to get the code from the selected checkbox.

    – prettyfly
    Jan 2 at 12:08














0












0








0








JSON



[ {
"code" : "TEST",
"projectId" : "PROJECT",
"name" : "TEST",
"description" : "test",
"level1" : "1 ",
"level2" : "2 ",
"level3" : "3",
"level4" : "4",
"level5" : "5",
"active" : false
}, {
"code" : "test",
"projectId" : "PROJECT",
"name" : "Test",
"description" : "test 11",
"level1" : "1 ",
"level2" : "2 ",
"level3" : "3",
"level4" : "4",
"level5" : "5",
"active" : true
}, {
"code" : "asdasd2122",
"projectId" : "PROJECT",
"name" : "TEST12",
"description" : "ashdasdhl",
"level1" : "1 ",
"level2" : "2 ",
"level3" : "3",
"level4" : "4",
"level5" : "5",
"active" : false
}, {
"code" : "test1a",
"projectId" : "PROJECT",
"name" : "TEST122",
"description" : "a,sndkajlskdjlkajd",
"level1" : "1 ",
"level2" : "2 ",
"level3" : "3",
"level4" : "4",
"level5" : "5",
"active" : true
}, {
"code" : "dasdasd",
"projectId" : "PROJECT",
"name" : "test123123",
"description" : "asdasdasd",
"level1" : "1 ",
"level2" : "2 ",
"level3" : "3",
"level4" : "4",
"level5" : "5",
"active" : true
},
{
"code" : "asdasdTES",
"projectId" : "PROJECT",
"name" : "TEST123",
"description" : "asdasdasd",
"level1" : "1 ",
"level2" : "2 ",
"level3" : "3",
"level4" : "4",
"level5" : "5",
"active" : true
} ]


HTML



            <mat-table [dataSource]="offersColumnRowData" matSort matSortActive="NAME">

<ng-container matColumnDef="SELECT">
<mat-header-cell *matHeaderCellDef> SELECT </mat-header-cell>
<mat-cell *matCellDef="let element">
<mat-checkbox>
</mat-checkbox>
</mat-cell>
</ng-container>

<ng-container matColumnDef="NAME">
<mat-header-cell *matHeaderCellDef> NAME </mat-header-cell>
<mat-cell *matCellDef="let element">{{ element.name }} </mat-cell>
</ng-container>

<ng-container matColumnDef="CODE">
<mat-header-cell *matHeaderCellDef> CODE </mat-header-cell>
<mat-cell *matCellDef="let element">{{ element.code }} </mat-cell>
</ng-container>

<ng-container matColumnDef="DESCRIPTION">
<mat-header-cell *matHeaderCellDef> DESCRIPTION </mat-header-cell>
<mat-cell *matCellDef="let element"> {{ element.description}} </mat-cell>
</ng-container>

<ng-container matColumnDef="CREATEDATE">
<mat-header-cell *matHeaderCellDef> CREATEDATE </mat-header-cell>
<mat-cell *matCellDef="let element"> </mat-cell>
</ng-container>

<ng-container matColumnDef="UNAME">
<mat-header-cell *matHeaderCellDef> UNAME </mat-header-cell>
<mat-cell *matCellDef="let element"> </mat-cell>
</ng-container>

<ng-container matColumnDef="ISACTIVE">
<mat-header-cell *matHeaderCellDef> ISACTIVE </mat-header-cell>
<mat-cell *matCellDef="let element">
<mat-checkbox type="checkbox">
</mat-checkbox>
</mat-cell>
</ng-container>

<mat-header-row *matHeaderRowDef="offersColumns"></mat-header-row>
<mat-row *matRowDef="let row; columns: offersColumns;" (mouseover)="row.hovered = true" (mouseout)="row.hovered = false"></mat-row>
</mat-table>


I'm trying to bind values into checkbox! the values in form of boolean (TRUE|FALSE)



I have tried to bind the with check box but its not working



Explaination: goto to my stackblitz -> if i select any checkbox from SELECT column the code column should be selected(i just want to print select column row CODE in console log)



2) how to bind Boolean values into checkbox column that column name is ISACTIVE if active is false check box is not selected if active is true -> checkbox is selected!



Here it is my stackblits link it would be easy for you!



https://stackblitz.com/edit/angular-gbf9kz-a2s4zc?file=app%2Ftable-basic-example.ts










share|improve this question














JSON



[ {
"code" : "TEST",
"projectId" : "PROJECT",
"name" : "TEST",
"description" : "test",
"level1" : "1 ",
"level2" : "2 ",
"level3" : "3",
"level4" : "4",
"level5" : "5",
"active" : false
}, {
"code" : "test",
"projectId" : "PROJECT",
"name" : "Test",
"description" : "test 11",
"level1" : "1 ",
"level2" : "2 ",
"level3" : "3",
"level4" : "4",
"level5" : "5",
"active" : true
}, {
"code" : "asdasd2122",
"projectId" : "PROJECT",
"name" : "TEST12",
"description" : "ashdasdhl",
"level1" : "1 ",
"level2" : "2 ",
"level3" : "3",
"level4" : "4",
"level5" : "5",
"active" : false
}, {
"code" : "test1a",
"projectId" : "PROJECT",
"name" : "TEST122",
"description" : "a,sndkajlskdjlkajd",
"level1" : "1 ",
"level2" : "2 ",
"level3" : "3",
"level4" : "4",
"level5" : "5",
"active" : true
}, {
"code" : "dasdasd",
"projectId" : "PROJECT",
"name" : "test123123",
"description" : "asdasdasd",
"level1" : "1 ",
"level2" : "2 ",
"level3" : "3",
"level4" : "4",
"level5" : "5",
"active" : true
},
{
"code" : "asdasdTES",
"projectId" : "PROJECT",
"name" : "TEST123",
"description" : "asdasdasd",
"level1" : "1 ",
"level2" : "2 ",
"level3" : "3",
"level4" : "4",
"level5" : "5",
"active" : true
} ]


HTML



            <mat-table [dataSource]="offersColumnRowData" matSort matSortActive="NAME">

<ng-container matColumnDef="SELECT">
<mat-header-cell *matHeaderCellDef> SELECT </mat-header-cell>
<mat-cell *matCellDef="let element">
<mat-checkbox>
</mat-checkbox>
</mat-cell>
</ng-container>

<ng-container matColumnDef="NAME">
<mat-header-cell *matHeaderCellDef> NAME </mat-header-cell>
<mat-cell *matCellDef="let element">{{ element.name }} </mat-cell>
</ng-container>

<ng-container matColumnDef="CODE">
<mat-header-cell *matHeaderCellDef> CODE </mat-header-cell>
<mat-cell *matCellDef="let element">{{ element.code }} </mat-cell>
</ng-container>

<ng-container matColumnDef="DESCRIPTION">
<mat-header-cell *matHeaderCellDef> DESCRIPTION </mat-header-cell>
<mat-cell *matCellDef="let element"> {{ element.description}} </mat-cell>
</ng-container>

<ng-container matColumnDef="CREATEDATE">
<mat-header-cell *matHeaderCellDef> CREATEDATE </mat-header-cell>
<mat-cell *matCellDef="let element"> </mat-cell>
</ng-container>

<ng-container matColumnDef="UNAME">
<mat-header-cell *matHeaderCellDef> UNAME </mat-header-cell>
<mat-cell *matCellDef="let element"> </mat-cell>
</ng-container>

<ng-container matColumnDef="ISACTIVE">
<mat-header-cell *matHeaderCellDef> ISACTIVE </mat-header-cell>
<mat-cell *matCellDef="let element">
<mat-checkbox type="checkbox">
</mat-checkbox>
</mat-cell>
</ng-container>

<mat-header-row *matHeaderRowDef="offersColumns"></mat-header-row>
<mat-row *matRowDef="let row; columns: offersColumns;" (mouseover)="row.hovered = true" (mouseout)="row.hovered = false"></mat-row>
</mat-table>


I'm trying to bind values into checkbox! the values in form of boolean (TRUE|FALSE)



I have tried to bind the with check box but its not working



Explaination: goto to my stackblitz -> if i select any checkbox from SELECT column the code column should be selected(i just want to print select column row CODE in console log)



2) how to bind Boolean values into checkbox column that column name is ISACTIVE if active is false check box is not selected if active is true -> checkbox is selected!



Here it is my stackblits link it would be easy for you!



https://stackblitz.com/edit/angular-gbf9kz-a2s4zc?file=app%2Ftable-basic-example.ts







angular typescript angular-material angular5






share|improve this question













share|improve this question











share|improve this question




share|improve this question










asked Jan 2 at 11:54









Just Teach MeJust Teach Me

1017




1017













  • <mat-checkbox type="checkbox" [(ngModel)]="element.active">

    – Ric
    Jan 2 at 12:04











  • thank you @Ric but if i select check box from SELECT column i want to print selected row CODE column data could you please help me that

    – Just Teach Me
    Jan 2 at 12:07











  • See my answer below. It will allow you to get the code from the selected checkbox.

    – prettyfly
    Jan 2 at 12:08



















  • <mat-checkbox type="checkbox" [(ngModel)]="element.active">

    – Ric
    Jan 2 at 12:04











  • thank you @Ric but if i select check box from SELECT column i want to print selected row CODE column data could you please help me that

    – Just Teach Me
    Jan 2 at 12:07











  • See my answer below. It will allow you to get the code from the selected checkbox.

    – prettyfly
    Jan 2 at 12:08

















<mat-checkbox type="checkbox" [(ngModel)]="element.active">

– Ric
Jan 2 at 12:04





<mat-checkbox type="checkbox" [(ngModel)]="element.active">

– Ric
Jan 2 at 12:04













thank you @Ric but if i select check box from SELECT column i want to print selected row CODE column data could you please help me that

– Just Teach Me
Jan 2 at 12:07





thank you @Ric but if i select check box from SELECT column i want to print selected row CODE column data could you please help me that

– Just Teach Me
Jan 2 at 12:07













See my answer below. It will allow you to get the code from the selected checkbox.

– prettyfly
Jan 2 at 12:08





See my answer below. It will allow you to get the code from the selected checkbox.

– prettyfly
Jan 2 at 12:08












4 Answers
4






active

oldest

votes


















2














Depending on how complex you're going to go with this, you could either take a forms approach (recommended), or you can add a simple change handler to your checkbox.



COMPONENT



selectedCodes: string = ;

receiveCheckboxChange(code: string, value: MatCheckboxChange) {
console.log(code, value.checked);
this.updateCodes(code, value.checked);
}

updateCodes(code: string, selected: boolean) {
const inArrayIndex: number = this.selectedCodes.indexOf(code);
if (selected && inArrayIndex === -1) {
this.selectedCodes.push(code);
} else if (inArrayIndex !== -1) {
this.selectedCodes.splice(inArrayIndex, 1);
}
}

isSelected(code: string) {
return this.selectedCodes.indexOf(code) !== -1;
}


TEMPLATE



<ng-container matColumnDef="ISACTIVE">
<mat-header-cell *matHeaderCellDef> ISACTIVE </mat-header-cell>
<mat-cell *matCellDef="let element">
<mat-checkbox type="checkbox" (change)="receiveCheckboxChange(element.code, $event)" [checked]="isSelected(element.code)">
</mat-checkbox>
</mat-cell>
</ng-container>


The key part here being (change)="receiveCheckboxChange(element.code, $event)" - You can supply whatever info you want from the element, or, indeed, the entire element object itself to your function. Then it's up to you to do whatever you want from there.



You will then have an array of selected codes in the variable selectedCodes. What you do with them from there, is up to you.



Blitz: https://stackblitz.com/edit/angular-gbf9kz-sgtrtv






share|improve this answer


























  • Yes you are right! when i select check box from CHECKBOX column the code column value i want to print but i actually i want to pass this CODE value to the API do you get my Qn? so could you tell me how to store this code value in to any variable?

    – Just Teach Me
    Jan 2 at 12:17













  • You can do whatever you like with the code value inside receiveCheckboxChange - you can store it as a variable, add it to an array, or directly call an API. It's up to you. :)

    – prettyfly
    Jan 2 at 12:19













  • how to store that code value in to variable? could you please tell me!

    – Just Teach Me
    Jan 2 at 12:25













  • See updated answer.

    – prettyfly
    Jan 2 at 12:49











  • just one mistake you should show selected CODE on the basis of SELECT column check box thanks!

    – Just Teach Me
    Jan 2 at 13:37



















1














<ng-container matColumnDef="SELECT">
<mat-header-cell *matHeaderCellDef> SELECT </mat-header-cell>
<mat-cell *matCellDef="let element">
<mat-checkbox [(ngModel)]="element.Isselected" (change)="change()">
</mat-checkbox>
</mat-cell>
</ng-container>


in ts file



change() {
const result = this.offersColumnRowData.filter(x => x.Isselected == true);

console.log('result', result);
}


Isselected property in json



"Isselected": false,
"code" : "TEST",
"projectId" : "PROJECT",
"name" : "TEST",
"description" : "test",
"level1" : "1 ",
"level2" : "2 ",
"level3" : "3",
"level4" : "4",
"level5" : "5",
"active" : false





share|improve this answer

































    1














    Use [checked] and (change) to show if is element.active=true and to change the value of element.active. And use conditional operator to show (or not) the value of element.code



    <ng-container matColumnDef="CODE">
    <mat-header-cell *matHeaderCellDef> CODE </mat-header-cell>
    <mat-cell *matCellDef="let element">
    {{ element.active?element.code:"" }}
    </mat-cell>
    </ng-container>
    ...
    <ng-container matColumnDef="ISACTIVE">
    <mat-header-cell *matHeaderCellDef> ISACTIVE </mat-header-cell>
    <mat-cell *matCellDef="let element">
    <mat-checkbox type="checkbox" [checked]="element.active"
    (change)="element.active=$event.checked">
    </mat-checkbox>
    </mat-cell>
    </ng-container>


    Update:Better using ngModel -not [checked] and (change)-



    <ng-container matColumnDef="ISACTIVE">
    <mat-header-cell *matHeaderCellDef> ISACTIVE </mat-header-cell>
    <mat-cell *matCellDef="let element">
    <mat-checkbox type="checkbox" [(ngModel)]="element.active">
    </mat-checkbox>
    </mat-cell>
    </ng-container>





    share|improve this answer


























    • Thank you so much Sir!

      – Just Teach Me
      Jan 2 at 13:49



















    0














    I updated your stackblitz, check : https://stackblitz.com/edit/angular-gbf9kz-qg9fvw?file=app%2Ftable-basic-example.ts



    Bind data on checkbox html tag using [checked]="element.active"



    Get active property value using (change)="change(element)"






    share|improve this answer


























    • thank you sir, but you solved only one query i want this also if i select check box from SELECT column i want to print selected row CODE column data could you please help me that

      – Just Teach Me
      Jan 2 at 12:08











    • I updated the stackblitz project. Tell me if it's what you expected.

      – Gérôme Grignon
      Jan 2 at 12:15











    • you are 90 % correct but i dont want whole row i just want CODE column value . when i select checkbox from SELECT column then i want to store the code column value into any variable!

      – Just Teach Me
      Jan 2 at 12:22













    • then you just need to do something like this.<name of the variable> = element.code into the print() method.

      – Gérôme Grignon
      Jan 2 at 12:32











    • yes its working

      – Just Teach Me
      Jan 2 at 17:39











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    4 Answers
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    4 Answers
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    active

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    2














    Depending on how complex you're going to go with this, you could either take a forms approach (recommended), or you can add a simple change handler to your checkbox.



    COMPONENT



    selectedCodes: string = ;

    receiveCheckboxChange(code: string, value: MatCheckboxChange) {
    console.log(code, value.checked);
    this.updateCodes(code, value.checked);
    }

    updateCodes(code: string, selected: boolean) {
    const inArrayIndex: number = this.selectedCodes.indexOf(code);
    if (selected && inArrayIndex === -1) {
    this.selectedCodes.push(code);
    } else if (inArrayIndex !== -1) {
    this.selectedCodes.splice(inArrayIndex, 1);
    }
    }

    isSelected(code: string) {
    return this.selectedCodes.indexOf(code) !== -1;
    }


    TEMPLATE



    <ng-container matColumnDef="ISACTIVE">
    <mat-header-cell *matHeaderCellDef> ISACTIVE </mat-header-cell>
    <mat-cell *matCellDef="let element">
    <mat-checkbox type="checkbox" (change)="receiveCheckboxChange(element.code, $event)" [checked]="isSelected(element.code)">
    </mat-checkbox>
    </mat-cell>
    </ng-container>


    The key part here being (change)="receiveCheckboxChange(element.code, $event)" - You can supply whatever info you want from the element, or, indeed, the entire element object itself to your function. Then it's up to you to do whatever you want from there.



    You will then have an array of selected codes in the variable selectedCodes. What you do with them from there, is up to you.



    Blitz: https://stackblitz.com/edit/angular-gbf9kz-sgtrtv






    share|improve this answer


























    • Yes you are right! when i select check box from CHECKBOX column the code column value i want to print but i actually i want to pass this CODE value to the API do you get my Qn? so could you tell me how to store this code value in to any variable?

      – Just Teach Me
      Jan 2 at 12:17













    • You can do whatever you like with the code value inside receiveCheckboxChange - you can store it as a variable, add it to an array, or directly call an API. It's up to you. :)

      – prettyfly
      Jan 2 at 12:19













    • how to store that code value in to variable? could you please tell me!

      – Just Teach Me
      Jan 2 at 12:25













    • See updated answer.

      – prettyfly
      Jan 2 at 12:49











    • just one mistake you should show selected CODE on the basis of SELECT column check box thanks!

      – Just Teach Me
      Jan 2 at 13:37
















    2














    Depending on how complex you're going to go with this, you could either take a forms approach (recommended), or you can add a simple change handler to your checkbox.



    COMPONENT



    selectedCodes: string = ;

    receiveCheckboxChange(code: string, value: MatCheckboxChange) {
    console.log(code, value.checked);
    this.updateCodes(code, value.checked);
    }

    updateCodes(code: string, selected: boolean) {
    const inArrayIndex: number = this.selectedCodes.indexOf(code);
    if (selected && inArrayIndex === -1) {
    this.selectedCodes.push(code);
    } else if (inArrayIndex !== -1) {
    this.selectedCodes.splice(inArrayIndex, 1);
    }
    }

    isSelected(code: string) {
    return this.selectedCodes.indexOf(code) !== -1;
    }


    TEMPLATE



    <ng-container matColumnDef="ISACTIVE">
    <mat-header-cell *matHeaderCellDef> ISACTIVE </mat-header-cell>
    <mat-cell *matCellDef="let element">
    <mat-checkbox type="checkbox" (change)="receiveCheckboxChange(element.code, $event)" [checked]="isSelected(element.code)">
    </mat-checkbox>
    </mat-cell>
    </ng-container>


    The key part here being (change)="receiveCheckboxChange(element.code, $event)" - You can supply whatever info you want from the element, or, indeed, the entire element object itself to your function. Then it's up to you to do whatever you want from there.



    You will then have an array of selected codes in the variable selectedCodes. What you do with them from there, is up to you.



    Blitz: https://stackblitz.com/edit/angular-gbf9kz-sgtrtv






    share|improve this answer


























    • Yes you are right! when i select check box from CHECKBOX column the code column value i want to print but i actually i want to pass this CODE value to the API do you get my Qn? so could you tell me how to store this code value in to any variable?

      – Just Teach Me
      Jan 2 at 12:17













    • You can do whatever you like with the code value inside receiveCheckboxChange - you can store it as a variable, add it to an array, or directly call an API. It's up to you. :)

      – prettyfly
      Jan 2 at 12:19













    • how to store that code value in to variable? could you please tell me!

      – Just Teach Me
      Jan 2 at 12:25













    • See updated answer.

      – prettyfly
      Jan 2 at 12:49











    • just one mistake you should show selected CODE on the basis of SELECT column check box thanks!

      – Just Teach Me
      Jan 2 at 13:37














    2












    2








    2







    Depending on how complex you're going to go with this, you could either take a forms approach (recommended), or you can add a simple change handler to your checkbox.



    COMPONENT



    selectedCodes: string = ;

    receiveCheckboxChange(code: string, value: MatCheckboxChange) {
    console.log(code, value.checked);
    this.updateCodes(code, value.checked);
    }

    updateCodes(code: string, selected: boolean) {
    const inArrayIndex: number = this.selectedCodes.indexOf(code);
    if (selected && inArrayIndex === -1) {
    this.selectedCodes.push(code);
    } else if (inArrayIndex !== -1) {
    this.selectedCodes.splice(inArrayIndex, 1);
    }
    }

    isSelected(code: string) {
    return this.selectedCodes.indexOf(code) !== -1;
    }


    TEMPLATE



    <ng-container matColumnDef="ISACTIVE">
    <mat-header-cell *matHeaderCellDef> ISACTIVE </mat-header-cell>
    <mat-cell *matCellDef="let element">
    <mat-checkbox type="checkbox" (change)="receiveCheckboxChange(element.code, $event)" [checked]="isSelected(element.code)">
    </mat-checkbox>
    </mat-cell>
    </ng-container>


    The key part here being (change)="receiveCheckboxChange(element.code, $event)" - You can supply whatever info you want from the element, or, indeed, the entire element object itself to your function. Then it's up to you to do whatever you want from there.



    You will then have an array of selected codes in the variable selectedCodes. What you do with them from there, is up to you.



    Blitz: https://stackblitz.com/edit/angular-gbf9kz-sgtrtv






    share|improve this answer















    Depending on how complex you're going to go with this, you could either take a forms approach (recommended), or you can add a simple change handler to your checkbox.



    COMPONENT



    selectedCodes: string = ;

    receiveCheckboxChange(code: string, value: MatCheckboxChange) {
    console.log(code, value.checked);
    this.updateCodes(code, value.checked);
    }

    updateCodes(code: string, selected: boolean) {
    const inArrayIndex: number = this.selectedCodes.indexOf(code);
    if (selected && inArrayIndex === -1) {
    this.selectedCodes.push(code);
    } else if (inArrayIndex !== -1) {
    this.selectedCodes.splice(inArrayIndex, 1);
    }
    }

    isSelected(code: string) {
    return this.selectedCodes.indexOf(code) !== -1;
    }


    TEMPLATE



    <ng-container matColumnDef="ISACTIVE">
    <mat-header-cell *matHeaderCellDef> ISACTIVE </mat-header-cell>
    <mat-cell *matCellDef="let element">
    <mat-checkbox type="checkbox" (change)="receiveCheckboxChange(element.code, $event)" [checked]="isSelected(element.code)">
    </mat-checkbox>
    </mat-cell>
    </ng-container>


    The key part here being (change)="receiveCheckboxChange(element.code, $event)" - You can supply whatever info you want from the element, or, indeed, the entire element object itself to your function. Then it's up to you to do whatever you want from there.



    You will then have an array of selected codes in the variable selectedCodes. What you do with them from there, is up to you.



    Blitz: https://stackblitz.com/edit/angular-gbf9kz-sgtrtv







    share|improve this answer














    share|improve this answer



    share|improve this answer








    edited Jan 2 at 12:54

























    answered Jan 2 at 12:08









    prettyflyprettyfly

    1,23611021




    1,23611021













    • Yes you are right! when i select check box from CHECKBOX column the code column value i want to print but i actually i want to pass this CODE value to the API do you get my Qn? so could you tell me how to store this code value in to any variable?

      – Just Teach Me
      Jan 2 at 12:17













    • You can do whatever you like with the code value inside receiveCheckboxChange - you can store it as a variable, add it to an array, or directly call an API. It's up to you. :)

      – prettyfly
      Jan 2 at 12:19













    • how to store that code value in to variable? could you please tell me!

      – Just Teach Me
      Jan 2 at 12:25













    • See updated answer.

      – prettyfly
      Jan 2 at 12:49











    • just one mistake you should show selected CODE on the basis of SELECT column check box thanks!

      – Just Teach Me
      Jan 2 at 13:37



















    • Yes you are right! when i select check box from CHECKBOX column the code column value i want to print but i actually i want to pass this CODE value to the API do you get my Qn? so could you tell me how to store this code value in to any variable?

      – Just Teach Me
      Jan 2 at 12:17













    • You can do whatever you like with the code value inside receiveCheckboxChange - you can store it as a variable, add it to an array, or directly call an API. It's up to you. :)

      – prettyfly
      Jan 2 at 12:19













    • how to store that code value in to variable? could you please tell me!

      – Just Teach Me
      Jan 2 at 12:25













    • See updated answer.

      – prettyfly
      Jan 2 at 12:49











    • just one mistake you should show selected CODE on the basis of SELECT column check box thanks!

      – Just Teach Me
      Jan 2 at 13:37

















    Yes you are right! when i select check box from CHECKBOX column the code column value i want to print but i actually i want to pass this CODE value to the API do you get my Qn? so could you tell me how to store this code value in to any variable?

    – Just Teach Me
    Jan 2 at 12:17







    Yes you are right! when i select check box from CHECKBOX column the code column value i want to print but i actually i want to pass this CODE value to the API do you get my Qn? so could you tell me how to store this code value in to any variable?

    – Just Teach Me
    Jan 2 at 12:17















    You can do whatever you like with the code value inside receiveCheckboxChange - you can store it as a variable, add it to an array, or directly call an API. It's up to you. :)

    – prettyfly
    Jan 2 at 12:19







    You can do whatever you like with the code value inside receiveCheckboxChange - you can store it as a variable, add it to an array, or directly call an API. It's up to you. :)

    – prettyfly
    Jan 2 at 12:19















    how to store that code value in to variable? could you please tell me!

    – Just Teach Me
    Jan 2 at 12:25







    how to store that code value in to variable? could you please tell me!

    – Just Teach Me
    Jan 2 at 12:25















    See updated answer.

    – prettyfly
    Jan 2 at 12:49





    See updated answer.

    – prettyfly
    Jan 2 at 12:49













    just one mistake you should show selected CODE on the basis of SELECT column check box thanks!

    – Just Teach Me
    Jan 2 at 13:37





    just one mistake you should show selected CODE on the basis of SELECT column check box thanks!

    – Just Teach Me
    Jan 2 at 13:37













    1














    <ng-container matColumnDef="SELECT">
    <mat-header-cell *matHeaderCellDef> SELECT </mat-header-cell>
    <mat-cell *matCellDef="let element">
    <mat-checkbox [(ngModel)]="element.Isselected" (change)="change()">
    </mat-checkbox>
    </mat-cell>
    </ng-container>


    in ts file



    change() {
    const result = this.offersColumnRowData.filter(x => x.Isselected == true);

    console.log('result', result);
    }


    Isselected property in json



    "Isselected": false,
    "code" : "TEST",
    "projectId" : "PROJECT",
    "name" : "TEST",
    "description" : "test",
    "level1" : "1 ",
    "level2" : "2 ",
    "level3" : "3",
    "level4" : "4",
    "level5" : "5",
    "active" : false





    share|improve this answer






























      1














      <ng-container matColumnDef="SELECT">
      <mat-header-cell *matHeaderCellDef> SELECT </mat-header-cell>
      <mat-cell *matCellDef="let element">
      <mat-checkbox [(ngModel)]="element.Isselected" (change)="change()">
      </mat-checkbox>
      </mat-cell>
      </ng-container>


      in ts file



      change() {
      const result = this.offersColumnRowData.filter(x => x.Isselected == true);

      console.log('result', result);
      }


      Isselected property in json



      "Isselected": false,
      "code" : "TEST",
      "projectId" : "PROJECT",
      "name" : "TEST",
      "description" : "test",
      "level1" : "1 ",
      "level2" : "2 ",
      "level3" : "3",
      "level4" : "4",
      "level5" : "5",
      "active" : false





      share|improve this answer




























        1












        1








        1







        <ng-container matColumnDef="SELECT">
        <mat-header-cell *matHeaderCellDef> SELECT </mat-header-cell>
        <mat-cell *matCellDef="let element">
        <mat-checkbox [(ngModel)]="element.Isselected" (change)="change()">
        </mat-checkbox>
        </mat-cell>
        </ng-container>


        in ts file



        change() {
        const result = this.offersColumnRowData.filter(x => x.Isselected == true);

        console.log('result', result);
        }


        Isselected property in json



        "Isselected": false,
        "code" : "TEST",
        "projectId" : "PROJECT",
        "name" : "TEST",
        "description" : "test",
        "level1" : "1 ",
        "level2" : "2 ",
        "level3" : "3",
        "level4" : "4",
        "level5" : "5",
        "active" : false





        share|improve this answer















        <ng-container matColumnDef="SELECT">
        <mat-header-cell *matHeaderCellDef> SELECT </mat-header-cell>
        <mat-cell *matCellDef="let element">
        <mat-checkbox [(ngModel)]="element.Isselected" (change)="change()">
        </mat-checkbox>
        </mat-cell>
        </ng-container>


        in ts file



        change() {
        const result = this.offersColumnRowData.filter(x => x.Isselected == true);

        console.log('result', result);
        }


        Isselected property in json



        "Isselected": false,
        "code" : "TEST",
        "projectId" : "PROJECT",
        "name" : "TEST",
        "description" : "test",
        "level1" : "1 ",
        "level2" : "2 ",
        "level3" : "3",
        "level4" : "4",
        "level5" : "5",
        "active" : false






        share|improve this answer














        share|improve this answer



        share|improve this answer








        edited Jan 2 at 12:38

























        answered Jan 2 at 12:25









        Akshay PamnaniAkshay Pamnani

        215




        215























            1














            Use [checked] and (change) to show if is element.active=true and to change the value of element.active. And use conditional operator to show (or not) the value of element.code



            <ng-container matColumnDef="CODE">
            <mat-header-cell *matHeaderCellDef> CODE </mat-header-cell>
            <mat-cell *matCellDef="let element">
            {{ element.active?element.code:"" }}
            </mat-cell>
            </ng-container>
            ...
            <ng-container matColumnDef="ISACTIVE">
            <mat-header-cell *matHeaderCellDef> ISACTIVE </mat-header-cell>
            <mat-cell *matCellDef="let element">
            <mat-checkbox type="checkbox" [checked]="element.active"
            (change)="element.active=$event.checked">
            </mat-checkbox>
            </mat-cell>
            </ng-container>


            Update:Better using ngModel -not [checked] and (change)-



            <ng-container matColumnDef="ISACTIVE">
            <mat-header-cell *matHeaderCellDef> ISACTIVE </mat-header-cell>
            <mat-cell *matCellDef="let element">
            <mat-checkbox type="checkbox" [(ngModel)]="element.active">
            </mat-checkbox>
            </mat-cell>
            </ng-container>





            share|improve this answer


























            • Thank you so much Sir!

              – Just Teach Me
              Jan 2 at 13:49
















            1














            Use [checked] and (change) to show if is element.active=true and to change the value of element.active. And use conditional operator to show (or not) the value of element.code



            <ng-container matColumnDef="CODE">
            <mat-header-cell *matHeaderCellDef> CODE </mat-header-cell>
            <mat-cell *matCellDef="let element">
            {{ element.active?element.code:"" }}
            </mat-cell>
            </ng-container>
            ...
            <ng-container matColumnDef="ISACTIVE">
            <mat-header-cell *matHeaderCellDef> ISACTIVE </mat-header-cell>
            <mat-cell *matCellDef="let element">
            <mat-checkbox type="checkbox" [checked]="element.active"
            (change)="element.active=$event.checked">
            </mat-checkbox>
            </mat-cell>
            </ng-container>


            Update:Better using ngModel -not [checked] and (change)-



            <ng-container matColumnDef="ISACTIVE">
            <mat-header-cell *matHeaderCellDef> ISACTIVE </mat-header-cell>
            <mat-cell *matCellDef="let element">
            <mat-checkbox type="checkbox" [(ngModel)]="element.active">
            </mat-checkbox>
            </mat-cell>
            </ng-container>





            share|improve this answer


























            • Thank you so much Sir!

              – Just Teach Me
              Jan 2 at 13:49














            1












            1








            1







            Use [checked] and (change) to show if is element.active=true and to change the value of element.active. And use conditional operator to show (or not) the value of element.code



            <ng-container matColumnDef="CODE">
            <mat-header-cell *matHeaderCellDef> CODE </mat-header-cell>
            <mat-cell *matCellDef="let element">
            {{ element.active?element.code:"" }}
            </mat-cell>
            </ng-container>
            ...
            <ng-container matColumnDef="ISACTIVE">
            <mat-header-cell *matHeaderCellDef> ISACTIVE </mat-header-cell>
            <mat-cell *matCellDef="let element">
            <mat-checkbox type="checkbox" [checked]="element.active"
            (change)="element.active=$event.checked">
            </mat-checkbox>
            </mat-cell>
            </ng-container>


            Update:Better using ngModel -not [checked] and (change)-



            <ng-container matColumnDef="ISACTIVE">
            <mat-header-cell *matHeaderCellDef> ISACTIVE </mat-header-cell>
            <mat-cell *matCellDef="let element">
            <mat-checkbox type="checkbox" [(ngModel)]="element.active">
            </mat-checkbox>
            </mat-cell>
            </ng-container>





            share|improve this answer















            Use [checked] and (change) to show if is element.active=true and to change the value of element.active. And use conditional operator to show (or not) the value of element.code



            <ng-container matColumnDef="CODE">
            <mat-header-cell *matHeaderCellDef> CODE </mat-header-cell>
            <mat-cell *matCellDef="let element">
            {{ element.active?element.code:"" }}
            </mat-cell>
            </ng-container>
            ...
            <ng-container matColumnDef="ISACTIVE">
            <mat-header-cell *matHeaderCellDef> ISACTIVE </mat-header-cell>
            <mat-cell *matCellDef="let element">
            <mat-checkbox type="checkbox" [checked]="element.active"
            (change)="element.active=$event.checked">
            </mat-checkbox>
            </mat-cell>
            </ng-container>


            Update:Better using ngModel -not [checked] and (change)-



            <ng-container matColumnDef="ISACTIVE">
            <mat-header-cell *matHeaderCellDef> ISACTIVE </mat-header-cell>
            <mat-cell *matCellDef="let element">
            <mat-checkbox type="checkbox" [(ngModel)]="element.active">
            </mat-checkbox>
            </mat-cell>
            </ng-container>






            share|improve this answer














            share|improve this answer



            share|improve this answer








            edited Jan 3 at 12:18

























            answered Jan 2 at 12:28









            EliseoEliseo

            6,8631314




            6,8631314













            • Thank you so much Sir!

              – Just Teach Me
              Jan 2 at 13:49



















            • Thank you so much Sir!

              – Just Teach Me
              Jan 2 at 13:49

















            Thank you so much Sir!

            – Just Teach Me
            Jan 2 at 13:49





            Thank you so much Sir!

            – Just Teach Me
            Jan 2 at 13:49











            0














            I updated your stackblitz, check : https://stackblitz.com/edit/angular-gbf9kz-qg9fvw?file=app%2Ftable-basic-example.ts



            Bind data on checkbox html tag using [checked]="element.active"



            Get active property value using (change)="change(element)"






            share|improve this answer


























            • thank you sir, but you solved only one query i want this also if i select check box from SELECT column i want to print selected row CODE column data could you please help me that

              – Just Teach Me
              Jan 2 at 12:08











            • I updated the stackblitz project. Tell me if it's what you expected.

              – Gérôme Grignon
              Jan 2 at 12:15











            • you are 90 % correct but i dont want whole row i just want CODE column value . when i select checkbox from SELECT column then i want to store the code column value into any variable!

              – Just Teach Me
              Jan 2 at 12:22













            • then you just need to do something like this.<name of the variable> = element.code into the print() method.

              – Gérôme Grignon
              Jan 2 at 12:32











            • yes its working

              – Just Teach Me
              Jan 2 at 17:39
















            0














            I updated your stackblitz, check : https://stackblitz.com/edit/angular-gbf9kz-qg9fvw?file=app%2Ftable-basic-example.ts



            Bind data on checkbox html tag using [checked]="element.active"



            Get active property value using (change)="change(element)"






            share|improve this answer


























            • thank you sir, but you solved only one query i want this also if i select check box from SELECT column i want to print selected row CODE column data could you please help me that

              – Just Teach Me
              Jan 2 at 12:08











            • I updated the stackblitz project. Tell me if it's what you expected.

              – Gérôme Grignon
              Jan 2 at 12:15











            • you are 90 % correct but i dont want whole row i just want CODE column value . when i select checkbox from SELECT column then i want to store the code column value into any variable!

              – Just Teach Me
              Jan 2 at 12:22













            • then you just need to do something like this.<name of the variable> = element.code into the print() method.

              – Gérôme Grignon
              Jan 2 at 12:32











            • yes its working

              – Just Teach Me
              Jan 2 at 17:39














            0












            0








            0







            I updated your stackblitz, check : https://stackblitz.com/edit/angular-gbf9kz-qg9fvw?file=app%2Ftable-basic-example.ts



            Bind data on checkbox html tag using [checked]="element.active"



            Get active property value using (change)="change(element)"






            share|improve this answer















            I updated your stackblitz, check : https://stackblitz.com/edit/angular-gbf9kz-qg9fvw?file=app%2Ftable-basic-example.ts



            Bind data on checkbox html tag using [checked]="element.active"



            Get active property value using (change)="change(element)"







            share|improve this answer














            share|improve this answer



            share|improve this answer








            edited Jan 2 at 12:17

























            answered Jan 2 at 12:02









            Gérôme GrignonGérôme Grignon

            20916




            20916













            • thank you sir, but you solved only one query i want this also if i select check box from SELECT column i want to print selected row CODE column data could you please help me that

              – Just Teach Me
              Jan 2 at 12:08











            • I updated the stackblitz project. Tell me if it's what you expected.

              – Gérôme Grignon
              Jan 2 at 12:15











            • you are 90 % correct but i dont want whole row i just want CODE column value . when i select checkbox from SELECT column then i want to store the code column value into any variable!

              – Just Teach Me
              Jan 2 at 12:22













            • then you just need to do something like this.<name of the variable> = element.code into the print() method.

              – Gérôme Grignon
              Jan 2 at 12:32











            • yes its working

              – Just Teach Me
              Jan 2 at 17:39



















            • thank you sir, but you solved only one query i want this also if i select check box from SELECT column i want to print selected row CODE column data could you please help me that

              – Just Teach Me
              Jan 2 at 12:08











            • I updated the stackblitz project. Tell me if it's what you expected.

              – Gérôme Grignon
              Jan 2 at 12:15











            • you are 90 % correct but i dont want whole row i just want CODE column value . when i select checkbox from SELECT column then i want to store the code column value into any variable!

              – Just Teach Me
              Jan 2 at 12:22













            • then you just need to do something like this.<name of the variable> = element.code into the print() method.

              – Gérôme Grignon
              Jan 2 at 12:32











            • yes its working

              – Just Teach Me
              Jan 2 at 17:39

















            thank you sir, but you solved only one query i want this also if i select check box from SELECT column i want to print selected row CODE column data could you please help me that

            – Just Teach Me
            Jan 2 at 12:08





            thank you sir, but you solved only one query i want this also if i select check box from SELECT column i want to print selected row CODE column data could you please help me that

            – Just Teach Me
            Jan 2 at 12:08













            I updated the stackblitz project. Tell me if it's what you expected.

            – Gérôme Grignon
            Jan 2 at 12:15





            I updated the stackblitz project. Tell me if it's what you expected.

            – Gérôme Grignon
            Jan 2 at 12:15













            you are 90 % correct but i dont want whole row i just want CODE column value . when i select checkbox from SELECT column then i want to store the code column value into any variable!

            – Just Teach Me
            Jan 2 at 12:22







            you are 90 % correct but i dont want whole row i just want CODE column value . when i select checkbox from SELECT column then i want to store the code column value into any variable!

            – Just Teach Me
            Jan 2 at 12:22















            then you just need to do something like this.<name of the variable> = element.code into the print() method.

            – Gérôme Grignon
            Jan 2 at 12:32





            then you just need to do something like this.<name of the variable> = element.code into the print() method.

            – Gérôme Grignon
            Jan 2 at 12:32













            yes its working

            – Just Teach Me
            Jan 2 at 17:39





            yes its working

            – Just Teach Me
            Jan 2 at 17:39


















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