private void trbExportReport_Click(object sender, EventArgs e)
        {
            if (!CheckCondition())
            {
                return;
            }
            FrmExportReport frmExportReport = new FrmExportReport(dgvDetails, GetTitle());

            frmExportReport.ShowDialog();
        }
        private void trbExportReport_Click(object sender, EventArgs e)
        {
            if (!CheckCondition())
            {
                return;
            }
            FrmExportReport frmExportReport = new FrmExportReport(dgvDetails, _className + "班 学生成绩信息");

            frmExportReport.ShowDialog();
        }