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)); } } }