My namespace is not found in MVC 5 view

Question

Im trying to create my own helpers but im totally stuck with this error. I have searched the web and read soooo many posts about this kind of issue. When I try to add the namespace to the view I get the error "The type or namespace 'CustomHelpers' could not be found..." So I created a class for my helper and added the namespace to the Views web.config. My helper class

using System.Web.Mvc;

namespace CustomHelpers
{
    public static class CustomHelpers
    {
        public static string Truncate(this HtmlHelper helper, string input, int length)
        {
            if (input.Length <= length)
            {
                return input;
            }
            else
            {
                return input.Substring(0, length) + "...";
            }
        } 
    }
}

My web.config

<system.web.webPages.razor>
<host factoryType="System.Web.Mvc.MvcWebRazorHostFactory, System.Web.Mvc, Version=5.2.2.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" />
<pages pageBaseType="System.Web.Mvc.WebViewPage">
  <namespaces>
    <add namespace="System.Web.Mvc" />
    <add namespace="System.Web.Mvc.Ajax" />
    <add namespace="System.Web.Mvc.Html" />
    <add namespace="System.Web.Optimization"/>
    <add namespace="System.Web.Routing" />
    <add namespace="Playground.Web" />
    <add namespace="CustomHelpers"/>
  </namespaces>
</pages>
</system.web.webPages.razor>

My View

@using CustomHelpers
@{
    ViewBag.Title = "Home Page";
 }

Win · Accepted Answer · 2015-02-12 20:00:48Z

2

The problem is you should not name a class the same as its namespace.

Do not name a class the same as its namespace

For example,

namespace YourProjectName.Framework
{
    public static class CustomHelpers
    {
        ...
    }
}

answered Feb 12, 2015 at 20:00

Win

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