ASP.NET Namespaces

Hello...

Im currently working on ASP.NET and having some hard time with namespaces... I've developed a page categoryadmin.aspx and codebehind categoryadmin.aspx.cs the main namespace I've used is RealDev...! i.e.

namespace RealDev
{

public class CatagoryAdmin : System.Web.UI.Page

But in CategoryAdmin.aspx page when i use:
Inherits="RealDev.CategoryAdmin"
it says couldnt load RealDev.CategoryAdmin...? Im using C#...
would anybody plz help me to avoid this prob...

thanks in advnc...

_________________
Regards...
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