Classes And Namespaces - Error CS0101 Namespace Already Contains Definition

Nov 29, 2010

I keep getting the error: Error message: CS0101: The namespace '<global namespace>' already contains a definition for 'checkvalue'. Then, I rename the Inherits from the @page directive in both the .aspx and .aspx.cs pages and it works! My website has only 2 pages, and both use the same class (same class name, exactly same syntax) but it has been copied and pasted and the 2 aspx pages (and aspx.cs pages) are not referencing each other. In other words, both aspx.cs pages (called page1.aspx.cs and page2.aspx.cs) has the class

public class CheckValue
{
//content
return true;
}

Both the aspx pages reference the 'inherits' files seperately:

<%@ Page Language="C#" CodeFile="page1.aspx.cs" Inherits="_1" %>

and my code behind

public partial class _1 : System.Web.UI.Page

and for my second page

<%@ Page Language="C#" CodeFile="page2.aspx.cs" Inherits="_2" %>

and my code behind

public partial class _2 : System.Web.UI.Page

I don't use the .resx file. Why does this error happen some times, and not other times?

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