private void save_Click(object sender, EventArgs e) { SiteInfo siteInfo = new SiteInfo(); siteInfo.Id = txbID.Text; siteInfo.HeadquaterInfo = txbhead.Text; siteInfo.Address = txbAddress.Text; siteInfo.Account = txbAccount.Text; siteInfo.Phonenumber = txbPhone.Text; siteInfo.Tin = txbFax.Text; siteInfo.Representative = txbRepresen.Text; int ret = siteInfo.UpdateExistedSite(siteInfo); if (ret == 0) { MessageBox.Show("update ko thành công"); } else { MessageBox.Show("update thành công"); state(true); } }