public BrandSectionFamilySizeGroupViewModelViewModel() { Client.GetAllBrandsAsync(LoggedUserInfo.Iserial); Client.GetAllBrandsCompleted += (d, s) => { BrandList = s.Result; }; lkpClient.GetTblBrandSectionLinkCompleted += (s, sv) => { BrandSectionList.Clear(); foreach (var row in sv.Result) { BrandSectionList.Add(row.TblLkpBrandSection1); } }; lkpClient.GetTblFamilyLinkCompleted += (s, sv) => { FamilyList.Clear(); foreach (var row in sv.Result) { FamilyList.Add(row.TblFamily1); } }; }