WinForm designer error open designer
问题 I work on VS 2010 .net 4.0 , my app had winForm with many controls. sometime i occur very starnge designer error: Could not find type 'Namespace.TypeName'. Please make sure that the assembly that contains this type is referenced. If this type is a part of your development project, make sure that the project has been successfully built. The variable 'ControlName' is either undeclared or was never assigned. i click Ignore and Continue the control disappear from my form. if i look in designer.cs