private void txtSDT_KeyDown(object sender, KeyEventArgs e)
{
if (e.KeyCode == Keys.Enter)
{
Boolean check = false;
List <KhachHangDTO> lst = KhachHangBUS.GetAllKH();
foreach (var kh in lst)
{
if (txtSDT.Text == kh.sdt)
{
txtTenKH.Text = KhachHangBUS.GetTEnKH(txtSDT.Text);
check = true;
}
}
if (check == false)
{
txtTenKH.Text = "";
frmThemKH frm = new frmThemKH(txtSDT.Text);
frm.Show();
}
}
}
private void btnThemKH_Click(object sender, EventArgs e)
{
frmThemKH frm = new frmThemKH();
frm.Show();
}