private void btnShow_Click(object sender, EventArgs e)
{
string sdt = textBox1.Text;
if (string.IsNullOrWhiteSpace(sdt))
{
MessageBox.Show("Vui lòng nhập sđt");
return;
}
using (DBEntites db = new DBEntites())
{
var kh = db.KhachHangs.Select(s => s).Where(s => s.SDT == sdt).FirstOrDefault();
if (kh == null)
{
frmQLKH frmqlkh = new frmQLKH(sdt, tk);
frmqlkh.ShowDialog();
List <KhachHang> khs = db.KhachHangs.ToList();
KhachHang newKH = khs[khs.Count - 1];
frmLapHoaDon form = new frmLapHoaDon(newKH, tk, false);
form.ShowDialog();
Close();
}
else
{
frmLapHoaDon form = new frmLapHoaDon((KhachHang)kh, tk, true);
form.ShowDialog();
Close();
}
}
}
private void btnCreateBill_Click(object sender, EventArgs e)
{
try
{
DataGridViewRow viewRow = dgvKhachHang.CurrentRow;
string sdt = viewRow.Cells[2].Value + "";
var kh = db.KhachHangs.Select(s => s).Where(s => s.SDT == sdt).FirstOrDefault();
frmLapHoaDon form = new frmLapHoaDon((KhachHang)kh, user, true);
form.ShowDialog();
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}