Could not complete the action error

Question

I keep getting below message when I open any cshtml/aspx/ascx file in visual studio. I thought it is for any particular solution but it is happening for any solution(website) i open in visual studio. Not able to figure out , why this pop up message is showing.

I am using visual studio 2013 and I have not updated or changed any settings from last few days. Please help!!!!

Answer 1

1. Close Visual Studio
2. Delete the projectName.csproj.user file from the project folder
3. Open the solution... message should be gone

Also try updating visual studio

Answer 2

You could try disabling all extensions and see if that works. If it does re-enable one at a time to find the culprit.

Answer 3

Make sure your ".vb", ".c#" codefiles exist.

If that did not solve the problem, make sure that your class name in the file is the same as defined in line one of your aspx file:

ASPX file:

.VB or .C# File:

 Public Class MyTestClassFile