ASP.NET controls cannot be referenced in code-behind in Visual Studio 2008

Question

Ok, so, my visual studio is broken. I say this NOT prematurely, as it was my first response to see where I had messed up in my code. When I add controls to the page I can\'t

Answer 1

This can also happen if the Inherits property on the source page doesn't match the class name in the code behind. Generally speaking, this would probably only happen if you copy/pasted a .ascx/.aspx file and forgot to update it.

Example:

<%@ Control AutoEventWireup="false" CodeBehind="myControl.ascx.vb" Inherits="myProject.myWrongControl" %>

The the code behind class:

Partial Public Class myControl

Answer 2

try clearing your local VS cache. find your project and delete the folder. the folder is created by VS for what reason I honestly don't understand. but I've had several occasions where clearing it and doing a re-build fixes things... hope this is all that you need as well.

here

%Temp%\VWDWebCache

and possibly here

%LocalAppData%\Microsoft\WebsiteCache

Answer 3

right click on project name and select "Clean". then, check your bin folder if it has any dll remaining. if so, delete it. that´s it. just rebuild and every thing will work fine.

Answer 4

You have to add

runat="server"

to each element in your page.