WPF designer issues : XDG0008 The name “NumericTextBoxConvertor” does not exist in the namespace “clr-namespace:PulserTester.Convertors”

Question

I have an error that not let me see my designer.. but I have no error on a build and my program runs fine with no problem

I have tried to:

• Clean and Rebuil

Answer 1

I was able to get rid if this problem in the past by adding the actual assembly name to the namespace reference like this:

xmlns:windowManager="clr-namespace:PulserTester.Convertors;assembly=TheNameOfTheAssemblyWithoutExtension"

This has worked for me in the past.

Answer 2

Do not use a UNC path for your project folder but map a drive letter instead.

Answer 3

I got the same issue. I found, that the project with the control was not included in the solution (.sln file). Simple adding the project to the solution fixes the issue.

Answer 4

Solved the same problem. Steps:

• Update Visual Studio.
• Close/open it.
• Rebuild.