Compiler Error Message错误!!请帮忙解决...这几天就要弄好,郁闷!
Compiler   Error   Message:   ASPNET:Make   sure   that   the   class   defined   in   this   code   file   matches   the   'inherits '   attribute,   and   that   it   extends   the   correct   base   class   (e.g.   Page   or   UserControl).

Source   Error:

 

Line   12:           using   System.Web.UI.HtmlControls;
Line   13:  
Line   14:           public   partial   class   Control_categories   :   bookstore.ControlBase
Line   15:           {
Line   16:                   protected   void   Page_Load(object   sender,   EventArgs   e)
 


------解决方案--------------------
检查和前台页面的page声明是否匹配