public static List<RequirementsIndexModel> GetModels(object cell) { List<RequirementsIndexModel> ret = new List<RequirementsIndexModel>(); using (var ctx = new Entities()) { int parent = ctx.GetCellID(cell); var list = ctx.GetRequirementsIndex(parent, RequirementTypes.Requirement, null).ToList(); list.ForEach(i => ret.Add(new RequirementsIndexModel(i))); } return ret; }