/// <summary>
/// Export page templates
/// </summary>
/// <param name="si"></param>
/// <param name="gridExportMode"></param>
/// <param name="pageTemplateId"></param>
/// <returns></returns>
public ActionResult Exports(JqSearchIn si, GridExportMode gridExportMode, int?pageTemplateId)
{
var workbook = _pageTemplateService.Exports(si, gridExportMode, pageTemplateId);
var output = new MemoryStream();
workbook.Write(output);
return(File(output.ToArray(), "application/vnd.ms-excel", "PageTemplates.xls"));
}