ShowMessage

  public  void ShowMessage(string MessageInfo)         {                       HttpContext.Current.Response.Write(" <script language=javascript>alert('" + MessageInfo + "') </script>");         }         public void showMessRedirect(string Mess,string UrlName)         {             HttpContext.Current.Response.Write(" <script language=javascript>alert('" + Mess + "');window.location='" + UrlName + "'; </script>");         } 把他们放进一个类里面: 如A.DB 声明:A a=new A(); a.ShowMessage("你要显示的语句");