Mixing
Updating related entities
AppUser identity model:
public virtual ICollection<UserPhones> UserPhones { get; set; }
Using Razor Pages, I call a partial view, like so:
@await Html.PartialAsync("_NameAndID", Model.AppUser)
PageModel:
[BindProperty]
public AppUser AppUser { get; set; }
public IActionResult OnGet()
{
AppUser = _userManager.Users
//.Include(x => x.UserAddresses) //OMITTED BC USING LAZY LOADING
.SingleOrDefaultAsync(x => x.UserName ==
_httpContext.HttpContext.User.Identity.Name).Result;
return Page();
}
Within _NameAndID.cshtml, I explicitly reference a particular telephone from the UserPhones entity. With:
<input type="hidden" asp-for="UserPhones
.SingleOrDefault(z => z.Type == EnumPhoneType.Mobile).UserPhoneId" />
//other properties removed for brevity
<div class="rvt-grid__item">
<label asp-for="UserPhones.SingleOrDefault(z => z.Type == EnumPhoneType.Mobile).PhoneNumber">Mobile Phone</label>
<input asp-for="UserPhones.SingleOrDefault(z => z.Type == EnumPhoneType.Mobile).PhoneNumber" autocomplete="tel" />
<span asp-validation-for="UserPhones.SingleOrDefault(z => z.Type == EnumPhoneType.Mobile).PhoneNumber"></span>
</div>
At runtime, the explicit mobile phone number is loaded properly. However when posting to public async Task<IActionResult> OnPostAsync() the related AppUser.UserPhones is null. (The problem)
Can you help?
Thank you in advance!!!!
entity-framework asp.net-core partial-views razor-pages
asked Nov 19 '18 at 17:52
FrazeFraze
281414
add a comment |
AppUser identity model:
public virtual ICollection<UserPhones> UserPhones { get; set; }
Using Razor Pages, I call a partial view, like so:
@await Html.PartialAsync("_NameAndID", Model.AppUser)
PageModel:
[BindProperty]
public AppUser AppUser { get; set; }
public IActionResult OnGet()
{
AppUser = _userManager.Users
//.Include(x => x.UserAddresses) //OMITTED BC USING LAZY LOADING
.SingleOrDefaultAsync(x => x.UserName ==
_httpContext.HttpContext.User.Identity.Name).Result;
return Page();
}
Within _NameAndID.cshtml, I explicitly reference a particular telephone from the UserPhones entity. With:
<input type="hidden" asp-for="UserPhones
.SingleOrDefault(z => z.Type == EnumPhoneType.Mobile).UserPhoneId" />
//other properties removed for brevity
<div class="rvt-grid__item">
<label asp-for="UserPhones.SingleOrDefault(z => z.Type == EnumPhoneType.Mobile).PhoneNumber">Mobile Phone</label>
<input asp-for="UserPhones.SingleOrDefault(z => z.Type == EnumPhoneType.Mobile).PhoneNumber" autocomplete="tel" />
<span asp-validation-for="UserPhones.SingleOrDefault(z => z.Type == EnumPhoneType.Mobile).PhoneNumber"></span>
</div>
At runtime, the explicit mobile phone number is loaded properly. However when posting to public async Task<IActionResult> OnPostAsync() the related AppUser.UserPhones is null. (The problem)
Can you help?
Thank you in advance!!!!
entity-framework asp.net-core partial-views razor-pages
asked Nov 19 '18 at 17:52
FrazeFraze
281414
add a comment |
AppUser identity model:
public virtual ICollection<UserPhones> UserPhones { get; set; }
Using Razor Pages, I call a partial view, like so:
@await Html.PartialAsync("_NameAndID", Model.AppUser)
PageModel:
[BindProperty]
public AppUser AppUser { get; set; }
public IActionResult OnGet()
{
AppUser = _userManager.Users
//.Include(x => x.UserAddresses) //OMITTED BC USING LAZY LOADING
.SingleOrDefaultAsync(x => x.UserName ==
_httpContext.HttpContext.User.Identity.Name).Result;
return Page();
}
Within _NameAndID.cshtml, I explicitly reference a particular telephone from the UserPhones entity. With:
<input type="hidden" asp-for="UserPhones
.SingleOrDefault(z => z.Type == EnumPhoneType.Mobile).UserPhoneId" />
//other properties removed for brevity
<div class="rvt-grid__item">
<label asp-for="UserPhones.SingleOrDefault(z => z.Type == EnumPhoneType.Mobile).PhoneNumber">Mobile Phone</label>
<input asp-for="UserPhones.SingleOrDefault(z => z.Type == EnumPhoneType.Mobile).PhoneNumber" autocomplete="tel" />
<span asp-validation-for="UserPhones.SingleOrDefault(z => z.Type == EnumPhoneType.Mobile).PhoneNumber"></span>
</div>
At runtime, the explicit mobile phone number is loaded properly. However when posting to public async Task<IActionResult> OnPostAsync() the related AppUser.UserPhones is null. (The problem)
Can you help?
Thank you in advance!!!!
entity-framework asp.net-core partial-views razor-pages
asked Nov 19 '18 at 17:52
FrazeFraze
281414
AppUser identity model:
public virtual ICollection<UserPhones> UserPhones { get; set; }
Using Razor Pages, I call a partial view, like so:
@await Html.PartialAsync("_NameAndID", Model.AppUser)
PageModel:
[BindProperty]
public AppUser AppUser { get; set; }
public IActionResult OnGet()
{
AppUser = _userManager.Users
//.Include(x => x.UserAddresses) //OMITTED BC USING LAZY LOADING
.SingleOrDefaultAsync(x => x.UserName ==
_httpContext.HttpContext.User.Identity.Name).Result;
return Page();
}
Within _NameAndID.cshtml, I explicitly reference a particular telephone from the UserPhones entity. With:
<input type="hidden" asp-for="UserPhones
.SingleOrDefault(z => z.Type == EnumPhoneType.Mobile).UserPhoneId" />
//other properties removed for brevity
<div class="rvt-grid__item">
<label asp-for="UserPhones.SingleOrDefault(z => z.Type == EnumPhoneType.Mobile).PhoneNumber">Mobile Phone</label>
<input asp-for="UserPhones.SingleOrDefault(z => z.Type == EnumPhoneType.Mobile).PhoneNumber" autocomplete="tel" />
<span asp-validation-for="UserPhones.SingleOrDefault(z => z.Type == EnumPhoneType.Mobile).PhoneNumber"></span>
</div>
At runtime, the explicit mobile phone number is loaded properly. However when posting to public async Task<IActionResult> OnPostAsync() the related AppUser.UserPhones is null. (The problem)
Can you help?
Thank you in advance!!!!
entity-framework asp.net-core partial-views razor-pages
entity-framework asp.net-core partial-views razor-pages
asked Nov 19 '18 at 17:52
FrazeFraze
281414
asked Nov 19 '18 at 17:52
FrazeFraze
281414
asked Nov 19 '18 at 17:52
FrazeFraze
281414
asked Nov 19 '18 at 17:52
FrazeFraze
281414
asked Nov 19 '18 at 17:52
FrazeFraze
281414
281414
add a comment |
add a comment |
1 Answer
1
active
oldest
votes
The Reason
The asp-for does not work well for this scenario.
Considering your code in _NameAndID.cshtml :
<input asp-for="UserPhones.SingleOrDefault(z => z.Type == EnumPhoneType.Mobile).PhoneNumber" autocomplete="tel" />
Note the LINQ extension method .SingleOrDefault(...) here. The asp-for here does not know how to get the name for UserPhones.SingleOrDefault(z => z.Type == EnumPhoneType.Mobile).PhoneNumber， so it just render it as PhoneNumber. As a result, the rendered html will be :
<input autocomplete="tel" type="text" id="PhoneNumber" name="PhoneNumber" value="">
Let's say someone inputs an value of 911, when posted to server, the payload will be :
PhoneNumber=911
As your page model on server side is :
[BindProperty]
public AppUser AppUser{get;set;}
public IActionResult OnGet()
{
// ...
}
public IActionResult OnPostAsync()
{
return Page();
}
Note the AppUser.UserPhones property is a collection. in other words, AppUser expects a payload like :
UserPhones[0].UserPhoneId=1&UserPhones[0].PhoneNumber=911&UserPhones[1].UserPhoneId=2&UserPhones[1].PhoneNumber=119
However, what you send to the server is :
PhoneNumber=911
So the App.UserPhones will always be null and the AppUser.PhoneNumber property will be 911.
How to Fix
Firstly, in order to bind the UserPhones automatically, I change the type of App.UserPhones to IList<UserPhones> , so that we can use a index syntax
public class AppUser : IdentityUser{
// public virtual ICollection<UserPhones> UserPhones { get; set; }
public virtual IList<UserPhones> UserPhones { get; set; }
}
Secondly, don't use complex query in asp-for, use simple index syntax instead. For example, if you would like to post some UserPhones or post all UserPhones, you can add an index for each field :
@for(var i=0;i <Model.UserPhones.Count(); i++) {
<div class="rvt-grid__item">
<label asp-for="@Model.UserPhones[i].UserPhoneId"></label>
<input asp-for="@Model.UserPhones[i].UserPhoneId"/>
<label asp-for="@Model.UserPhones[i].PhoneNumber"></label>
<input asp-for="@Model.UserPhones[i].PhoneNumber"/>
<span asp-validation-for="@Model.UserPhones[i].PhoneNumber"></span>
</div>
}
In this way, when someone submits the form, AppUser.UserPhones will be the correctly set. Here's a screenshot of demo :
answered Nov 20 '18 at 8:36
itminusitminus
3,2111320
Thank you @itminus! This is exactly what I ended up doing yesterday and it worked like a champ. Considering converting to a tag helper though so that I can make it reusable throughout the application where the phone number needs edited. Thanks again!
– Fraze
Nov 20 '18 at 12:26
Hi again @itminus, I posted a the custom tag helper idea if you are interested in helping with that as well. No worries if not. Thanks again. See: stackoverflow.com/questions/53395905/complex-custom-tag-helper
– Fraze
Nov 20 '18 at 15:07
add a comment |
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1 Answer
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votes
1 Answer
1
active
oldest
votes
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oldest
votes
The Reason
The asp-for does not work well for this scenario.
Considering your code in _NameAndID.cshtml :
<input asp-for="UserPhones.SingleOrDefault(z => z.Type == EnumPhoneType.Mobile).PhoneNumber" autocomplete="tel" />
Note the LINQ extension method .SingleOrDefault(...) here. The asp-for here does not know how to get the name for UserPhones.SingleOrDefault(z => z.Type == EnumPhoneType.Mobile).PhoneNumber， so it just render it as PhoneNumber. As a result, the rendered html will be :
<input autocomplete="tel" type="text" id="PhoneNumber" name="PhoneNumber" value="">
Let's say someone inputs an value of 911, when posted to server, the payload will be :
PhoneNumber=911
As your page model on server side is :
[BindProperty]
public AppUser AppUser{get;set;}
public IActionResult OnGet()
{
// ...
}
public IActionResult OnPostAsync()
{
return Page();
}
Note the AppUser.UserPhones property is a collection. in other words, AppUser expects a payload like :
UserPhones[0].UserPhoneId=1&UserPhones[0].PhoneNumber=911&UserPhones[1].UserPhoneId=2&UserPhones[1].PhoneNumber=119
However, what you send to the server is :
PhoneNumber=911
So the App.UserPhones will always be null and the AppUser.PhoneNumber property will be 911.
How to Fix
Firstly, in order to bind the UserPhones automatically, I change the type of App.UserPhones to IList<UserPhones> , so that we can use a index syntax
public class AppUser : IdentityUser{
// public virtual ICollection<UserPhones> UserPhones { get; set; }
public virtual IList<UserPhones> UserPhones { get; set; }
}
Secondly, don't use complex query in asp-for, use simple index syntax instead. For example, if you would like to post some UserPhones or post all UserPhones, you can add an index for each field :
@for(var i=0;i <Model.UserPhones.Count(); i++) {
<div class="rvt-grid__item">
<label asp-for="@Model.UserPhones[i].UserPhoneId"></label>
<input asp-for="@Model.UserPhones[i].UserPhoneId"/>
<label asp-for="@Model.UserPhones[i].PhoneNumber"></label>
<input asp-for="@Model.UserPhones[i].PhoneNumber"/>
<span asp-validation-for="@Model.UserPhones[i].PhoneNumber"></span>
</div>
}
In this way, when someone submits the form, AppUser.UserPhones will be the correctly set. Here's a screenshot of demo :
answered Nov 20 '18 at 8:36
itminusitminus
3,2111320
Thank you @itminus! This is exactly what I ended up doing yesterday and it worked like a champ. Considering converting to a tag helper though so that I can make it reusable throughout the application where the phone number needs edited. Thanks again!
– Fraze
Nov 20 '18 at 12:26
Hi again @itminus, I posted a the custom tag helper idea if you are interested in helping with that as well. No worries if not. Thanks again. See: stackoverflow.com/questions/53395905/complex-custom-tag-helper
– Fraze
Nov 20 '18 at 15:07
add a comment |
The Reason
The asp-for does not work well for this scenario.
Considering your code in _NameAndID.cshtml :
<input asp-for="UserPhones.SingleOrDefault(z => z.Type == EnumPhoneType.Mobile).PhoneNumber" autocomplete="tel" />
Note the LINQ extension method .SingleOrDefault(...) here. The asp-for here does not know how to get the name for UserPhones.SingleOrDefault(z => z.Type == EnumPhoneType.Mobile).PhoneNumber， so it just render it as PhoneNumber. As a result, the rendered html will be :
<input autocomplete="tel" type="text" id="PhoneNumber" name="PhoneNumber" value="">
Let's say someone inputs an value of 911, when posted to server, the payload will be :
PhoneNumber=911
As your page model on server side is :
[BindProperty]
public AppUser AppUser{get;set;}
public IActionResult OnGet()
{
// ...
}
public IActionResult OnPostAsync()
{
return Page();
}
Note the AppUser.UserPhones property is a collection. in other words, AppUser expects a payload like :
UserPhones[0].UserPhoneId=1&UserPhones[0].PhoneNumber=911&UserPhones[1].UserPhoneId=2&UserPhones[1].PhoneNumber=119
However, what you send to the server is :
PhoneNumber=911
So the App.UserPhones will always be null and the AppUser.PhoneNumber property will be 911.
How to Fix
Firstly, in order to bind the UserPhones automatically, I change the type of App.UserPhones to IList<UserPhones> , so that we can use a index syntax
public class AppUser : IdentityUser{
// public virtual ICollection<UserPhones> UserPhones { get; set; }
public virtual IList<UserPhones> UserPhones { get; set; }
}
Secondly, don't use complex query in asp-for, use simple index syntax instead. For example, if you would like to post some UserPhones or post all UserPhones, you can add an index for each field :
@for(var i=0;i <Model.UserPhones.Count(); i++) {
<div class="rvt-grid__item">
<label asp-for="@Model.UserPhones[i].UserPhoneId"></label>
<input asp-for="@Model.UserPhones[i].UserPhoneId"/>
<label asp-for="@Model.UserPhones[i].PhoneNumber"></label>
<input asp-for="@Model.UserPhones[i].PhoneNumber"/>
<span asp-validation-for="@Model.UserPhones[i].PhoneNumber"></span>
</div>
}
In this way, when someone submits the form, AppUser.UserPhones will be the correctly set. Here's a screenshot of demo :
answered Nov 20 '18 at 8:36
itminusitminus
3,2111320
Thank you @itminus! This is exactly what I ended up doing yesterday and it worked like a champ. Considering converting to a tag helper though so that I can make it reusable throughout the application where the phone number needs edited. Thanks again!
– Fraze
Nov 20 '18 at 12:26
Hi again @itminus, I posted a the custom tag helper idea if you are interested in helping with that as well. No worries if not. Thanks again. See: stackoverflow.com/questions/53395905/complex-custom-tag-helper
– Fraze
Nov 20 '18 at 15:07
add a comment |
The Reason
The asp-for does not work well for this scenario.
Considering your code in _NameAndID.cshtml :
<input asp-for="UserPhones.SingleOrDefault(z => z.Type == EnumPhoneType.Mobile).PhoneNumber" autocomplete="tel" />
Note the LINQ extension method .SingleOrDefault(...) here. The asp-for here does not know how to get the name for UserPhones.SingleOrDefault(z => z.Type == EnumPhoneType.Mobile).PhoneNumber， so it just render it as PhoneNumber. As a result, the rendered html will be :
<input autocomplete="tel" type="text" id="PhoneNumber" name="PhoneNumber" value="">
Let's say someone inputs an value of 911, when posted to server, the payload will be :
PhoneNumber=911
As your page model on server side is :
[BindProperty]
public AppUser AppUser{get;set;}
public IActionResult OnGet()
{
// ...
}
public IActionResult OnPostAsync()
{
return Page();
}
Note the AppUser.UserPhones property is a collection. in other words, AppUser expects a payload like :
UserPhones[0].UserPhoneId=1&UserPhones[0].PhoneNumber=911&UserPhones[1].UserPhoneId=2&UserPhones[1].PhoneNumber=119
However, what you send to the server is :
PhoneNumber=911
So the App.UserPhones will always be null and the AppUser.PhoneNumber property will be 911.
How to Fix
Firstly, in order to bind the UserPhones automatically, I change the type of App.UserPhones to IList<UserPhones> , so that we can use a index syntax
public class AppUser : IdentityUser{
// public virtual ICollection<UserPhones> UserPhones { get; set; }
public virtual IList<UserPhones> UserPhones { get; set; }
}
Secondly, don't use complex query in asp-for, use simple index syntax instead. For example, if you would like to post some UserPhones or post all UserPhones, you can add an index for each field :
@for(var i=0;i <Model.UserPhones.Count(); i++) {
<div class="rvt-grid__item">
<label asp-for="@Model.UserPhones[i].UserPhoneId"></label>
<input asp-for="@Model.UserPhones[i].UserPhoneId"/>
<label asp-for="@Model.UserPhones[i].PhoneNumber"></label>
<input asp-for="@Model.UserPhones[i].PhoneNumber"/>
<span asp-validation-for="@Model.UserPhones[i].PhoneNumber"></span>
</div>
}
In this way, when someone submits the form, AppUser.UserPhones will be the correctly set. Here's a screenshot of demo :
answered Nov 20 '18 at 8:36
itminusitminus
3,2111320
The Reason
The asp-for does not work well for this scenario.
Considering your code in _NameAndID.cshtml :
<input asp-for="UserPhones.SingleOrDefault(z => z.Type == EnumPhoneType.Mobile).PhoneNumber" autocomplete="tel" />
Note the LINQ extension method .SingleOrDefault(...) here. The asp-for here does not know how to get the name for UserPhones.SingleOrDefault(z => z.Type == EnumPhoneType.Mobile).PhoneNumber， so it just render it as PhoneNumber. As a result, the rendered html will be :
<input autocomplete="tel" type="text" id="PhoneNumber" name="PhoneNumber" value="">
Let's say someone inputs an value of 911, when posted to server, the payload will be :
PhoneNumber=911
As your page model on server side is :
[BindProperty]
public AppUser AppUser{get;set;}
public IActionResult OnGet()
{
// ...
}
public IActionResult OnPostAsync()
{
return Page();
}
Note the AppUser.UserPhones property is a collection. in other words, AppUser expects a payload like :
UserPhones[0].UserPhoneId=1&UserPhones[0].PhoneNumber=911&UserPhones[1].UserPhoneId=2&UserPhones[1].PhoneNumber=119
However, what you send to the server is :
PhoneNumber=911
So the App.UserPhones will always be null and the AppUser.PhoneNumber property will be 911.
How to Fix
Firstly, in order to bind the UserPhones automatically, I change the type of App.UserPhones to IList<UserPhones> , so that we can use a index syntax
public class AppUser : IdentityUser{
// public virtual ICollection<UserPhones> UserPhones { get; set; }
public virtual IList<UserPhones> UserPhones { get; set; }
}
Secondly, don't use complex query in asp-for, use simple index syntax instead. For example, if you would like to post some UserPhones or post all UserPhones, you can add an index for each field :
@for(var i=0;i <Model.UserPhones.Count(); i++) {
<div class="rvt-grid__item">
<label asp-for="@Model.UserPhones[i].UserPhoneId"></label>
<input asp-for="@Model.UserPhones[i].UserPhoneId"/>
<label asp-for="@Model.UserPhones[i].PhoneNumber"></label>
<input asp-for="@Model.UserPhones[i].PhoneNumber"/>
<span asp-validation-for="@Model.UserPhones[i].PhoneNumber"></span>
</div>
}
In this way, when someone submits the form, AppUser.UserPhones will be the correctly set. Here's a screenshot of demo :
answered Nov 20 '18 at 8:36
itminusitminus
3,2111320
answered Nov 20 '18 at 8:36
itminusitminus
3,2111320
answered Nov 20 '18 at 8:36
itminusitminus
3,2111320
answered Nov 20 '18 at 8:36
itminusitminus
3,2111320
3,2111320
Thank you @itminus! This is exactly what I ended up doing yesterday and it worked like a champ. Considering converting to a tag helper though so that I can make it reusable throughout the application where the phone number needs edited. Thanks again!
– Fraze
Nov 20 '18 at 12:26
Hi again @itminus, I posted a the custom tag helper idea if you are interested in helping with that as well. No worries if not. Thanks again. See: stackoverflow.com/questions/53395905/complex-custom-tag-helper
– Fraze
Nov 20 '18 at 15:07
add a comment |
Thank you @itminus! This is exactly what I ended up doing yesterday and it worked like a champ. Considering converting to a tag helper though so that I can make it reusable throughout the application where the phone number needs edited. Thanks again!
– Fraze
Nov 20 '18 at 12:26
Hi again @itminus, I posted a the custom tag helper idea if you are interested in helping with that as well. No worries if not. Thanks again. See: stackoverflow.com/questions/53395905/complex-custom-tag-helper
– Fraze
Nov 20 '18 at 15:07
Thank you @itminus! This is exactly what I ended up doing yesterday and it worked like a champ. Considering converting to a tag helper though so that I can make it reusable throughout the application where the phone number needs edited. Thanks again!
– Fraze
Nov 20 '18 at 12:26
Thank you @itminus! This is exactly what I ended up doing yesterday and it worked like a champ. Considering converting to a tag helper though so that I can make it reusable throughout the application where the phone number needs edited. Thanks again!
– Fraze
Nov 20 '18 at 12:26
Hi again @itminus, I posted a the custom tag helper idea if you are interested in helping with that as well. No worries if not. Thanks again. See: stackoverflow.com/questions/53395905/complex-custom-tag-helper
– Fraze
Nov 20 '18 at 15:07
Hi again @itminus, I posted a the custom tag helper idea if you are interested in helping with that as well. No worries if not. Thanks again. See: stackoverflow.com/questions/53395905/complex-custom-tag-helper
– Fraze
Nov 20 '18 at 15:07
add a comment |
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