private void cboTenSanPham_SelectedValueChanged(object sender, EventArgs e)
{
try
{
int mahh = 0;
//DataGridViewRow dr = dgvChiTietXuat.SelectedRows[0];
int.TryParse(cboTenSanPham.SelectedValue.ToString(), out mahh);
DataTable t = ChiTietXuatDAO.TinhDonGia(mahh);
// int.TryParse(cboTenSanPham.SelectedValue.ToString(), out mahh);
txtDonGiaCTXH.Text = t.Rows[0]["GiaXuat"].ToString();
}
catch
{
}
}
