Asp.net mvc 2 templates without prefix

Question

Given following view model:

class DetailsViewModel
{
   public HeaderViewModel Header {get;set;}
   public FooterViewModel Footer {get;set;}
}

I'm using editor template for Header view model:

<%: Html.EditorFor(x => x.Header) %>

The editor template (EditorTemplates/HeaderViewModel.ascx)

<%@ Control Language="C#" Inherits="System.Web.Mvc.ViewUserControl<HeaderViewModel>" %>

<% ViewData.TemplateInfo.HtmlFieldPrefix = ""; %>

<%: Html.EditorFor(x => x.Search) %>

The result:

<input type="text" value="" name="Search" id="Search" />

If I remove the line

<% ViewData.TemplateInfo.HtmlFieldPrefix = ""; %>

the result is:

<input type="text" value="" name="Header.Search" id="Header_Search" />

Is there another way to achieve the same - render the names of the control without prefix?

I was thinking about a helper:

public static MvcHtmlString EditorWithoutPrefix<TModel, TValue>(
  this HtmlHelper<TModel> html, TValue value)
{
  var htmlHelper =... // create new HtmlHelper<TValue> and set it's model to be 'value' argument

  return htmlHelper.EditorForModel();
}

and use it:

<%: Html.EditorWithoutPrefix(Model.Header) %>

but it is throwing exceptions.

Or maybe you know another elegant way to render names without prefix?

Just curious, why do you want to remove the prefix? The prefix is what enables the model binder to do its job correctly when the form is posted to the server. — Brian Ball
– Brian Ball, Commented Jan 4, 2011 at 13:40
@Brian Ball, what if you want the POST action to take HeaderViewModel as parameter instead of DetailsViewModel? In this case you need to remove the prefixes. — Darin Dimitrov
– Darin Dimitrov, Commented Jan 5, 2011 at 7:41
@Darin Dimitrov, I was thinking that is what denis_n was getting at, but I wanted to be sure. @denis_n, look below, I believe I have an answer for you. — Brian Ball
– Brian Ball, Commented Jan 5, 2011 at 13:31

Darin Dimitrov · Accepted Answer · 2011-01-05 07:39:40Z

6

You could use the proper overload:

<%: Html.EditorFor(x => x.Search, "SearchViewModel", "") %>

answered Jan 5, 2011 at 7:39

Darin Dimitrov

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2 Comments

Brian Ball Over a year ago

I believe if you pass in null instead of "SearchViewModel", then MVC will use the default behavior of looking for an editor template.

Bart Calixto Over a year ago

this has nothing related to removing the Header prefix.

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