private void btnXoa_Click(object sender, EventArgs e) { ServiceTreatment serviceTreatment = new ServiceTreatment(); tam = listBox1.GetItemText(listBox1.SelectedItem); serviceTreatment = Cons.dataContext.ServiceTreatments.Where(ma => ma.ServiceTreatmentId == luuID[listBox1.SelectedIndex]).Single(); Cons.dataContext.ServiceTreatments.DeleteOnSubmit(serviceTreatment); Cons.dataContext.SubmitChanges(); luuID.RemoveAt(listBox1.SelectedIndex); listBox1.Items.Remove(listBox1.SelectedItem); }
private void btnChon_Click(object sender, EventArgs e) { ServiceTreatment serviceTreatment = new ServiceTreatment(); listBox1.Items.Add(comboBox_DichVu.Text); serviceTreatment.TreatmentId = txtMaDieuTri.Text; serviceTreatment.ServiceId = comboBox_DichVu.SelectedValue.ToString(); Cons.dataContext.ServiceTreatments.InsertOnSubmit(serviceTreatment); Cons.dataContext.SubmitChanges(); luuID.Add(serviceTreatment.ServiceTreatmentId); MessageBox.Show(luuID[0].ToString()); }