type script dynamic column in table











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I have created dynamic column in typescript html.



I have declared a variable public totallist:any



and initialised it by this.totallist=new Array();



  <div  *ngFor="let number of  columnnumberArray;let n= index " >

    <ngx-datatable-column name="{{number}}" [width]="50">

         <ng-template ngx-datatable-cell-template let-row="row" let-value="value">{{row.$$index}} {{n }} 

    {{this.totallist[[n][row.$$index]]}}

   <input  type="text"  [(ngModel)]="this.totallist[row.$$index][n]"  (ngModelChange)="listen();"  id="Samplesize" name="Samplesize" 

    class="form-control" >

         </ng-template>

         </ngx-datatable-column>

          </div >


But when I add values.model values are overridden.



expected output(if two columns are created then )



[0][1:"hi",2:"hello"] 

[1][1:"hi1",2:"hello2"] 

[2][1:"hi3",2:"hello4"] 

[3][1:"hi5",2:"hello5"]


component code[this will create dynamic array]



 createrow() {

    this.columnnumberArray = new Array();

    console.log("this.columnnumber", this.columnnumber)

    for (let i = 1; i <= this.columnnumber; i++) {

      this.columnnumberArray.push(i);



    }



  }





angular typescript







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  • please share your component code for better understanding.
    – ashish pal
    yesterday










  • @ashishpal here you go
    – Madhu Nair
    yesterday










  • Why is your for loop numbered from 1?
    – rrd
    yesterday










  • i should not create 0 columns .@rrd
    – Madhu Nair
    yesterday










  • @ashishpal have you looked on it
    – Madhu Nair
    yesterday















up vote
-1
down vote

favorite












I have created dynamic column in typescript html.



I have declared a variable public totallist:any



and initialised it by this.totallist=new Array();



  <div  *ngFor="let number of  columnnumberArray;let n= index " >

    <ngx-datatable-column name="{{number}}" [width]="50">

         <ng-template ngx-datatable-cell-template let-row="row" let-value="value">{{row.$$index}} {{n }} 

    {{this.totallist[[n][row.$$index]]}}

   <input  type="text"  [(ngModel)]="this.totallist[row.$$index][n]"  (ngModelChange)="listen();"  id="Samplesize" name="Samplesize" 

    class="form-control" >

         </ng-template>

         </ngx-datatable-column>

          </div >


But when I add values.model values are overridden.



expected output(if two columns are created then )



[0][1:"hi",2:"hello"] 

[1][1:"hi1",2:"hello2"] 

[2][1:"hi3",2:"hello4"] 

[3][1:"hi5",2:"hello5"]


component code[this will create dynamic array]



 createrow() {

    this.columnnumberArray = new Array();

    console.log("this.columnnumber", this.columnnumber)

    for (let i = 1; i <= this.columnnumber; i++) {

      this.columnnumberArray.push(i);



    }



  }





angular typescript







share|improve this question
























  • please share your component code for better understanding.
    – ashish pal
    yesterday










  • @ashishpal here you go
    – Madhu Nair
    yesterday










  • Why is your for loop numbered from 1?
    – rrd
    yesterday










  • i should not create 0 columns .@rrd
    – Madhu Nair
    yesterday










  • @ashishpal have you looked on it
    – Madhu Nair
    yesterday













up vote
-1
down vote

favorite









up vote
-1
down vote

favorite











I have created dynamic column in typescript html.



I have declared a variable public totallist:any



and initialised it by this.totallist=new Array();



  <div  *ngFor="let number of  columnnumberArray;let n= index " >

    <ngx-datatable-column name="{{number}}" [width]="50">

         <ng-template ngx-datatable-cell-template let-row="row" let-value="value">{{row.$$index}} {{n }} 

    {{this.totallist[[n][row.$$index]]}}

   <input  type="text"  [(ngModel)]="this.totallist[row.$$index][n]"  (ngModelChange)="listen();"  id="Samplesize" name="Samplesize" 

    class="form-control" >

         </ng-template>

         </ngx-datatable-column>

          </div >


But when I add values.model values are overridden.



expected output(if two columns are created then )



[0][1:"hi",2:"hello"] 

[1][1:"hi1",2:"hello2"] 

[2][1:"hi3",2:"hello4"] 

[3][1:"hi5",2:"hello5"]


component code[this will create dynamic array]



 createrow() {

    this.columnnumberArray = new Array();

    console.log("this.columnnumber", this.columnnumber)

    for (let i = 1; i <= this.columnnumber; i++) {

      this.columnnumberArray.push(i);



    }



  }





angular typescript







share|improve this question















I have created dynamic column in typescript html.



I have declared a variable public totallist:any



and initialised it by this.totallist=new Array();



  <div  *ngFor="let number of  columnnumberArray;let n= index " >

    <ngx-datatable-column name="{{number}}" [width]="50">

         <ng-template ngx-datatable-cell-template let-row="row" let-value="value">{{row.$$index}} {{n }} 

    {{this.totallist[[n][row.$$index]]}}

   <input  type="text"  [(ngModel)]="this.totallist[row.$$index][n]"  (ngModelChange)="listen();"  id="Samplesize" name="Samplesize" 

    class="form-control" >

         </ng-template>

         </ngx-datatable-column>

          </div >


But when I add values.model values are overridden.



expected output(if two columns are created then )



[0][1:"hi",2:"hello"] 

[1][1:"hi1",2:"hello2"] 

[2][1:"hi3",2:"hello4"] 

[3][1:"hi5",2:"hello5"]


component code[this will create dynamic array]



 createrow() {

    this.columnnumberArray = new Array();

    console.log("this.columnnumber", this.columnnumber)

    for (let i = 1; i <= this.columnnumber; i++) {

      this.columnnumberArray.push(i);



    }



  }





angular typescript




angular typescript






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share|improve this question













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edited yesterday

























asked yesterday









Madhu Nair

11513




11513












  • please share your component code for better understanding.
    – ashish pal
    yesterday










  • @ashishpal here you go
    – Madhu Nair
    yesterday










  • Why is your for loop numbered from 1?
    – rrd
    yesterday










  • i should not create 0 columns .@rrd
    – Madhu Nair
    yesterday










  • @ashishpal have you looked on it
    – Madhu Nair
    yesterday


















  • please share your component code for better understanding.
    – ashish pal
    yesterday










  • @ashishpal here you go
    – Madhu Nair
    yesterday










  • Why is your for loop numbered from 1?
    – rrd
    yesterday










  • i should not create 0 columns .@rrd
    – Madhu Nair
    yesterday










  • @ashishpal have you looked on it
    – Madhu Nair
    yesterday
















please share your component code for better understanding.
– ashish pal
yesterday




please share your component code for better understanding.
– ashish pal
yesterday












@ashishpal here you go
– Madhu Nair
yesterday




@ashishpal here you go
– Madhu Nair
yesterday












Why is your for loop numbered from 1?
– rrd
yesterday




Why is your for loop numbered from 1?
– rrd
yesterday












i should not create 0 columns .@rrd
– Madhu Nair
yesterday




i should not create 0 columns .@rrd
– Madhu Nair
yesterday












@ashishpal have you looked on it
– Madhu Nair
yesterday




@ashishpal have you looked on it
– Madhu Nair
yesterday

















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