SaveFileDialog fileDialog = new SaveFileDialog();
            fileDialog.Title = "导出Excel";
            fileDialog.Filter = "Excel文件(*.xls)|*.xls";
            DialogResult dialogResult = fileDialog.ShowDialog(this);
            if (dialogResult == DialogResult.OK)
            {
                DevExpress.XtraPrinting.XlsExportOptions options = new DevExpress.XtraPrinting.XlsExportOptions();
                gridControl_dz.ExportToXls(fileDialog.FileName);
                DevExpress.XtraEditors.XtraMessageBox.Show("保存成功！", "提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
            } 

作者：jiankunking 出处：http://blog.csdn.net/jiankunking