private void btnTimKiem_Click(object sender, EventArgs e)
{
int nam = 0;
if (cbbNam.Items.Count > 0)
{
if (int.TryParse(cbbNam.Text, out nam))
{
dgvDanhSachBaoCao.DataSource = baocaoController.SearchBaoCao(cbbLoaiBaoCao.Text, cbbThang.SelectedIndex + 1, int.Parse(cbbNam.Text));
}
}
}