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Old July 20th, 2010, 12:53 PM
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Default The class or CssClass value is not definded

Why do I keep getting the message the class or CssClass value is not defined?
I am working in the Beginning ASP.NET 3.5 book and I keep getting these warnings. This seems to happen especially on my default and master pages.
Please help.
Old July 20th, 2010, 01:16 PM
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Hi there,

If it's about the book, would you mind posting these kind of questions here: http://p2p.wrox.com/book-beginning-a...0-18759-3-389/

Makes it easier for others to find relevant questions and answers.

That said, if they are just warnings, and everything works fine at run-time, you can safely ignore them. Visual Studio doesn't always know where the classes are defined. This is especialy the case when using themes as VS doesn't always know which theme is in effect.

The book mentions these warnings here and there, IIRC.


Imar Spaanjaars
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Author of Beginning ASP.NET 4.5 : in C# and VB, Beginning ASP.NET Web Pages with WebMatrix
and Beginning ASP.NET 4 : in C# and VB.
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