将gridcontrol导出到excel

private void simpleButton1_Click(object sender, EventArgs e)  
        {  
            SaveFileDialog saveFileDialog = new SaveFileDialog();  
            saveFileDialog.Title = "导出Excel";  
            saveFileDialog.Filter = "Excel文件(*.xls)|*.xls";  
            DialogResult dialogResult = saveFileDialog.ShowDialog(this);  
            if (dialogResult == DialogResult.OK)  
            {  
                DevExpress.XtraPrinting.XlsExportOptions options = new DevExpress.XtraPrinting.XlsExportOptions();  
                //gridControl1.ExportToXls(saveFileDialog.FileName, options);  
                gridControl1.ExportToExcelOld(saveFileDialog.FileName);  
                DevExpress.XtraEditors.XtraMessageBox.Show("保存成功！", "提示", MessageBoxButtons.OK, MessageBoxIcon.Information);  
            }  
       }