public ActionResult AddUpdateSponsorForExhibitor(AddSponsorForExhibitor addSponsorForExhibitor)
{
string actionBy = User.Identity.Name;
_mainResponse = _exhibitorService.AddSponsorForExhibitor(addSponsorForExhibitor, actionBy);
_jsonString = Mapper.Convert <BaseResponse>(_mainResponse);
return(new OkObjectResult(_jsonString));
}