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());
}