private void btnChiTiet_Click(object sender, EventArgs e)
 {
     FrmCTCongNoThu frm = new FrmCTCongNoThu();
     int intSelect = dgvMatHang.SelectedRows[0].Index;
     string strTenKhachHang = dgvMatHang.Rows[intSelect].Cells[0].Value.ToString();
     string strIDKhachHang = dgvMatHang.Rows[intSelect].Cells[0].Tag.ToString();
     frm.lbDenNgay.Text = dtDenNgay.Value.ToShortDateString();
     frm.lbTuNgay.Text = dtTuNgay.Value.ToShortDateString();
     frm.lbKhachHang.Text = strTenKhachHang;
     frm.lbKhachHang.Tag = strIDKhachHang;
     frm.ShowDialog();
 }
        private void btnChiTiet_Click(object sender, EventArgs e)
        {
            FrmCTCongNoThu frm             = new FrmCTCongNoThu();
            int            intSelect       = dgvMatHang.SelectedRows[0].Index;
            string         strTenKhachHang = dgvMatHang.Rows[intSelect].Cells[0].Value.ToString();
            string         strIDKhachHang  = dgvMatHang.Rows[intSelect].Cells[0].Tag.ToString();

            frm.lbDenNgay.Text   = dtDenNgay.Value.ToShortDateString();
            frm.lbTuNgay.Text    = dtTuNgay.Value.ToShortDateString();
            frm.lbKhachHang.Text = strTenKhachHang;
            frm.lbKhachHang.Tag  = strIDKhachHang;
            frm.ShowDialog();
        }