//private void AddSubmitEvent()
 //{
 //    UpdatePanel updatepanel = Page.Master.FindControl("AdminUpdatePanel1") as UpdatePanel;
 //    UpdatePanelControlTrigger trigger = new PostBackTrigger();
 //    trigger.ControlID = btnProductSubmit.UniqueID;
 //    updatepanel.Triggers.Add(trigger);
 //}
 private void LoadCategories()
 {
     ShoppingCart k = new ShoppingCart();
     DataTable dt = k.GetCategories();
     if (dt.Rows.Count > 0)
     {
         ddlCategory.DataValueField = "CategoryID";
         ddlCategory.DataTextField = "CategoryName";
         ddlCategory.DataSource = dt;
         ddlCategory.DataBind();
     }
 }
 private void GetCategory()
 {
     ShoppingCart k = new ShoppingCart();
     dlCategories.DataSource = k.GetCategories();
     dlCategories.DataBind();
 }