public Campaign GetCampaignData(long id) { var campaign = _campaignService.GetBaseId(id); campaign.Regionals = _regionalService.GetNestedByBaseId(campaign.Id); //var regionals = _regionalService.GetNestedByBaseId(campaign.Id); foreach (var r in campaign.Regionals) { var dealership = _dealershipService.GetNestedByBaseId(r.Id); r.AddDealership(dealership); foreach (var d in r.Dealerships) { var dealers = _dealerService.GetNestedByBaseId(d.Id); d.AddDealers(dealers); } } return(null); }