The name does not exist in the namespace error in XAML

When you are writing your wpf code and VS tell that “The name ABCDE does not exist in the namespace clr-namespace:ABC”. But you can totally build your project successfully, there is only a small inconvenience because you can not see the UI designing (or just want to clean the code).

Try to do these:

  • In VS, right click on your Solution -> Properties -> Configuration Properties

  • A new dialog is opened, try to change the project configurations from Debug to Release or vice versa.

After that, re-build your solution. It can solve your problem.

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