public List<TechOperation> GetTechOperations() { var s = new DrawingsService(); s.Credentials = new NetworkCredential("aaa", "aaa"); var opers = s.GetTechOperations(); return new List<TechOperation>( opers.Select( x => new TechOperation { Id = Convert.ToInt32(x.Code), ShortName = x.Name, FullName = x.FullName })); }