ASP.NET MVC 3: Override "Name" Attribute with Textboxfor

ASP.NET MVC 3: Override name attribute with TextBoxFor

Rob, actually there is a much simpler way. Instead of name, use Name:

@Html.TextBoxFor(x => x.Data, new { Name = Model.Key + "_Data", id = Model.Key + "_Data" })

No opportunity to override name attribute for @Html.TextBoxFor in asp.net core 3.1

You can use TextBox:

@Html.TextBox("Model2.Property",Model.Property,new { maxlength = 8})

or use asp-for and name:

<input asp-for="@Model.Property" name="Model2.Property" maxlength="8"/>

Pass data with prefix in form,and validate it in the action(ModelState.IsValid'),then return the error message to your view,but i think it's not a good idea,i think you don't need prefix in you controller action:

Here is a demo:

TestController:

  public IActionResult TestPrefix([Bind(Prefix = "Model2")]DataModel model) {
        if (ModelState.IsValid) {
            return Ok("success");
        }
        string message=string.Join("; ", ModelState.Values
                     .SelectMany(x => x.Errors)
                     .Select(x => !string.IsNullOrWhiteSpace(x.ErrorMessage) ? x.ErrorMessage : x.Exception.Message.ToString()));

        return Ok(message);
    }
    public IActionResult TestDataModel() {
        return View();
    }

TestDataModel.cshtml:

 <form method="post">
    @Html.TextBoxFor(Model => Model.Property, "{0:0}", htmlAttributes: new { maxlength = 8 })
    <div style="color:red" id="errormessage">@TempData["Error"]</div>
    <button onclick="postModel()">post</button>
</form>
@section scripts{ 
    <script type="text/javascript">
        function postModel() {
            var formdata = new FormData();
            formdata.append("Model2.Property", $("#Property").val());
             $.ajax({
                type: "POST",
                 url: '@Url.Action("TestPrefix", "Test")',
                 contentType: false,
                 processData: false,
                 data: formdata,
             }).done(function (data) {
                 //$("#errormessage").append(data);

    });
        }
    </script>
}

DataModel:

public class DataModel
    {
        [Required]
        [Range(0,5)]
        public int Property { get; set; }
    }

result:

MVC2: Impossible to change the name with TextBoxFor?

You can't use the strongly typed lambda version for this, you'd need to use the older version

Html.TextBox("txt1",new {@id = "txt1"})

Custom attribute with dash in name using EditorFor/TextBoxFor/TextBox helpers

Thanks to Crescent Fish above, looks like you can just use underscores and MVC 3 will convert them to dashes since underscores aren't allowed in HTML attribute names.

set id and name for @HtmlEditorFor?

EditorFor does not allow for adding htmlAttributes. For the specific types of editors you'll have to use TextBoxFor (or whatever type you're using).

@Html.TextBoxFor(m => m.value, new { id = "testid1", name="Testname1" })

You can also create a custom editor template for the particular type you're creating an editor for.

override the id attribute of Html.EditorFor - not working

Sorry, i should've looked more carefully. You don't want quotes around @idPasswordTextBox in your TextBoxFor method. That is run on the server, so when you put quotes around the name it is being treated as a literal string. Remove the quotes, and remove the @ sign in front of id, and it will work.

Its important to always remember what is running on the server, and what is running on the client.

@Html.TextBoxFor(model => model.Password, new { id = @idPasswordTextBox })

Is it possible to override names of model bound elements with attributes?

Do standard helpers support any attribute whcih allow abstract from model member names?

No, they don't. You could write a custom model binder or simply name the properties of the view model as expected.

---

Related Topics