public async Task <List <LookupModel> > GetAllBuyerSuppliers(int tenderId) { List <LookupModel> result = new List <LookupModel>(); if (User.IsInRole(RoleNames.DataEntry) || User.IsInRole(RoleNames.Auditer)) { result = await lookupService.GetAllBuyerSuppliers(tenderId); } else { result = await lookupService.GetAllSuppliersHaveOffers(tenderId); } return(result); }