public async Task GetDropDownContentsOfElmahUser() { try { var client = WebApiClientFactory.CreateListsApiClient(); var result = await client.ElmahUserList(currentIndex : -1, pageSize : -1, queryOrderByExpression : null); var originalDropDownContentsOfElmahUserSelectedItem = this.m_DropDownContentsOfElmahUserSelectedItem; var dropDownContentsOfElmahUser = new List <Framework.Models.NameValuePair <string> >(); if (result != null) { foreach (var item in result) { if (item != null) { string value = item.ParseToSystemString(null); dropDownContentsOfElmahUser.Add(new Framework.Models.NameValuePair <string>(value, item.Name)); } } this.DropDownContentsOfElmahUser = new ObservableCollection <Framework.Models.NameValuePair <string> >(dropDownContentsOfElmahUser); DropDownContentsOfElmahUserSelectedItem = originalDropDownContentsOfElmahUserSelectedItem; } } catch //(Exception ex) { } }