/// <summary>
/// Export user groups
/// </summary>
/// <param name="si"></param>
/// <param name="gridExportMode"></param>
/// <param name="userId"></param>
/// <returns></returns>
public ActionResult ExportsUserGroupsOfUser(JqSearchIn si, GridExportMode gridExportMode, int userId)
{
var workbook = _userGroupService.ExportsUserGroupsOfUser(si, gridExportMode, userId);
var output = new MemoryStream();
workbook.Write(output);
return(File(output.ToArray(), "application/vnd.ms-excel", "UserGroups.xls"));
}