UserControl With Templates Is Not Working Inside User Controls?

Jan 7, 2011

I have created a real simple templated UserControl and

I can now add this control to my Asp.net WebApplication using:

[code]...

i can embed this in a page (aspx) but i is not working in usercontrol (ascx). when i use this inside usercontrol, the designer file (.ascx.designer.cs) itself not getting generated.

getting the following error:

Element 'Box' is not a known element. This can occur if there is an error in the webpage, or the web.config file is missing.

Update: sometimes it works! i created couple of controls. it works in some place and it doesnot works in someother place.

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