How to get model's field name in custom editor template

user_136717 0
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I'm building my first custom editor template for a text area control. My code so far is -

<%@ Control Language="C#" Inherits="System.Web.Mvc.ViewUserControl<dynamic>" %>
<%= Html.TextAreaFor( Model => Model , 2, 30, 
     new { @class = "html", @placeholder = ViewData.ModelMetadata.Watermark }) %>

It's not much so far, but it does work. But we need to add a character counter field to show remaining number of characters that the user can type in. I know how to do all the JavaScript to make this work.

So to keep naming system same, I'm going to add a control named ".charCounter" to display number of remaining characters left. My problem is that I cannot figure out the correct syntax to be able to retrieve the field name for the model.

The final version will look something like (JavaScript omitted) -

<%@ Control Language="C#" Inherits="System.Web.Mvc.ViewUserControl<dynamic>" %>
<%= Html.TextAreaFor( Model => Model , 2, 30, 
     new { @class = "html", @placeholder = ViewData.ModelMetadata.Watermark }) %>
<span class="xxx">Remaining characters - 
     <input readonly type="text" name="<fieldName>.charCounter" />
</span>
asp.net-mvc-3
4 Answers

Getting just the model name/Id (e.g BirthDate):

ViewData.ModelMetadata.PropertyName;

Getting the model name with prefixes for complex objects (e.g Identity.Person.BirthDate):

@Html.NameFor(m => Model);

or 

ViewData.TemplateInfo.HtmlFieldPrefix;

Getting the model Id with prefixes for complex objects (e.g Identity_Person_BirthDate):

@Html.IdFor(m => Model)

or

@Html.IdForModel()
user_32423140
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