protected void GV_Gen_RowCommand(object sender, GridViewCommandEventArgs e) { if (e.CommandName == "edit") { Response.Redirect("setupgen.aspx?gen_id=" + e.CommandArgument); } else if (e.CommandName == "delete") { using (var db = new bigshopeEntities()) { int gen_id = Convert.ToInt32(e.CommandArgument); db.deleteGen(gen_id); FillCatagories(); } } }