What could be causing a System.TypeLoadException?

Question

I\'m developing, with VS2008 using C#, an application for Honeywell Dolphin 6100, a mobile computer with a barcode scanner that uses Windows CE 5.0 like OS.

I want to

Answer 1

In my case problem was that I had two projects that used the same libraries in one solution. I've updated DLLs only in first project. So when I built solution, second project its override DLLs from first project(project build order).

Example:

Solution:

--MainProject

------MyDll v5.3.2.0

--Prototype

------MyDll v5.0.0.0

Problem gone after update DLLs in second project.