internal override FAChartSubModel ToFAChartSubModel()
        {
            var subModel = new T6FAChartSubModel() { ParameterID = this.ParameterID };

            var pairs = from data in this.viewModel.EntityData
                        where data.Key.StartsWith(this.ParameterID)
                        select data;

            Dictionary<int, T6FAChartItem> secondMap = new Dictionary<int, T6FAChartItem>();
            foreach (var one in pairs)
            {
                this.AssignOneValue(one, subModel, secondMap);
            }

            var sorted = from one in secondMap
                         orderby one.Key ascending
                         select one.Value;

            foreach (var m in sorted)
            {
                subModel.Add(m);
            }
            return subModel;
        }