private void dgvListBill_CellDoubleClick(object sender, DataGridViewCellEventArgs e)
{
frmBill newform = new frmBill();
newform.cbbTimKiemCthd.Text = this.dgvListBill.CurrentRow.Cells[0].Value.ToString().Trim();
newform.ShowDialog();
}
private void TsThemHoaDon_Click(object sender, EventArgs e)
{
frmBill formBill = new frmBill();
formBill.ShowDialog();
}
