protected void gvOrders_RowDeleting(object sender, GridViewDeleteEventArgs e)
{
xuly.deleteOrder(int.Parse(gvOrders.Rows[e.RowIndex].Cells[0].Text));
xuly.deleteOrderDetail(int.Parse(gvOrders.Rows[e.RowIndex].Cells[0].Text));
Response.Redirect(Request.RawUrl);
}
