private void tsbtnAddAddr_Click(object sender, EventArgs e)
{
_addr = new DeliveryAddr();
_addr.CustCode = txtCustomerCode.Text;
_addrMode = DataActionMode.Add;
deliveryAddrInfo(_addr, _custMode, _addrMode);
}
private void tsbtnEditAddr_Click(object sender, EventArgs e)
{
_addrMode = DataActionMode.Edit;
_addr = new CustomerDAL().getAddrById(_selectedDeliveryAddrId);
deliveryAddrInfo(_addr, _custMode, _addrMode);
}