.net - Usercontrol display error in C# Designer -


I have created a user control in the C # (ASP.Net) designer, it works fine (when I compile / run I do not get any error) I'm using it in a gridview, if it makes a difference.

Occasionally, when I'm in the designer (for the page, not the control), then gives me a red box and tell me that the user can not display the control. Switching to the source view and then returning to the designer (which usually solves such problems) does not work, but to close and re-open VS (2008 Professional).

This is not a big issue, but it is very annoying that what is happening here or what can I do about it?

Thank you.

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