PreApplicationStartMethod cannot be resolved

Question

I'm trying to use Unity.Webforms in a web application without success. As per the documentation, I put the following line in the AssemblyInfo.cs to tell the runtime to invoke a method before the application starts:

[assembly: PreApplicationStartMethod(typeof(Unity.WebForms.PreApplicationStart), "PreStart")]

The error I'm getting says:

The method specified by the PreApplicationStartMethodAttribute on assembly ... cannot be resolved

And this is the class holding the method (within App_Start folder):

using Microsoft.Web.Infrastructure.DynamicModuleHelper;
using System;
using System.Collections.Generic;
using System.Web;

namespace Unity.WebForms
{
    public static class PreApplicationStart
    {
        private static bool _isStarting;

        public static void PreStart()
        {
            if (!_isStarting)
            {
                _isStarting = true;
                DynamicModuleUtility.RegisterModule(typeof(UnityHttpModule));
            }
        }
    }
}

Is there anything I'm missing or misunderstanding?

Thanks

Answer 1

Change Unity.Webforms namespace in your custom file with PreApplicationStart, because this namespace already exists.

My solution, that works:

using Microsoft.Web.Infrastructure.DynamicModuleHelper;

namespace TestApp.WebUi
{
    public static class PreApplicationStart
    {
        private static bool _isStarting;

        public static void PreStart()
        {
            if (!_isStarting)
            {
                _isStarting = true;
                DynamicModuleUtility.RegisterModule(typeof(UnityHttpModule));
            }
        }
    }
}

And:

[assembly: PreApplicationStartMethod(typeof(TestApp.WebUi.PreApplicationStart), "PreStart")]