public void dropDownList_bindCatInfo()
        {
            List <Category> catList = categoryDAO.getCategoryList();

            DropDownList_cat.DataSource           = catList;
            DropDownList_cat.DataTextField        = "categoryID";
            DropDownList_cat.DataValueField       = "categoryID";
            DropDownList_cat.AppendDataBoundItems = true;
            DropDownList_cat.Items.Insert(0, new ListItem("--All--"));
            DropDownList_cat.DataBind();
        }
 public void dropDownList_bindCatInfo()
 {
     DropDownList_cat.AppendDataBoundItems = true;
     DropDownList_cat.Items.Insert(0, new ListItem("--All--"));
     DropDownList_cat.DataBind();
 }