private void comboBox1_SelectedIndexChanged(object sender, EventArgs e) { var com = comboBox1.SelectedItem as DateTimeSelect; if (com != null) { var data = com.Month == null?dataReport.GetBudgetReportDataByYear(new BaseParam() { Year = com.Year }) : dataReport.GetBudgetReportDataByMonth(new BaseParam() { Year = com.Year, Month = com.Month }); AdjustAllName(data); PushInExcel(CommonHelper.ToDataTable(data)); } }