public class ModalClass : DynamicObject
       private Dictionary<string, object> _propbag = new Dictionary<string, object>();
       private object _outputvals = null;
    public DateTime Date
    public Dictionary<string, object> PropertyBag
            return _propbag;
            _propbag = value;
    public object OutPutValue
            return _outputvals;
            _outputvals = value;
    public int Count
            return PropertyBag.Count;
    public override bool TryGetMember(GetMemberBinder binder, out object result)
        string name = binder.Name;
        return PropertyBag.TryGetValue(name, out result);
    public override bool TrySetMember(SetMemberBinder binder, object value)
        PropertyBag[binder.Name] = value;
        return true;
    public void AddProperty<TTValue>(string key, TTValue value = default(TTValue))
        PropertyBag[key] = value;
    public void AddProperty(string typeName, string key, object value = null)
        Type type = Type.GetType(typeName);
        if ((type = value as Type) != null)
            PropertyBag[key] = Convert.ChangeType(value, type);
            if (value.GetType().ToString() == "Null")
                PropertyBag[key] = null;
                PropertyBag[key] = value;
}

private List<ModalClass> ReadCSV()
        List<ModalClass> lstValues = new List<ModalClass>();
        CsvConfiguration csvConfiguration = new CsvConfiguration(CultureInfo.InvariantCulture)
            HasHeaderRecord = true,
            Delimiter = ",",
            PrepareHeaderForMatch = args => args.Header.ToUpper(),
            UseNewObjectForNullReferenceMembers = true
        CsvReader csv = new CsvReader(File.OpenText("C:\\Users\\sunil\\Desktop\\MyCSV.csv"), csvConfiguration);
        csv.Read();
        csv.ReadHeader();
        while (csv.Read())
            string d0 = csv.GetField<string>("DATETIME");
            double? d5 = csv.GetField<double?>("SECONDS");
            if (!string.IsNullOrEmpty(d0))
                DateTime dt = DateTime.Parse(d0, CultureInfo.InvariantCulture).AddMilliseconds(d5.HasValue == true ? d5.Value : 0);
                Dictionary<string, double> item = new Dictionary<string, double>();
                foreach (string str in columns)
                    var d1 = csv.GetField<double>(str);
                    item.Add(str, d1);
                ModalClass spData = new ModalClass();
                spData.Date = dt;
                foreach (KeyValuePair<string, double> entry in item)
                    //adding datatype, column name and the value
                    spData.AddProperty("double", entry.Key, entry.Value);                        
                lstValues.Add(spData);
        return lstValues;
    }      

        List<string> columns = new List<string>();
        columns.Add("AA"); // suppose these are the 4 columns in the csv file.
        columns.Add("CC");
        columns.Add("XC");
        columns.Add("QWS");
        Data = new ObservableCollection<ModalClass>(ReadCSV());

  private void Window_Loaded(object sender, RoutedEventArgs e)
        ViewModel vm = new ViewModel();
        foreach (var str in vm.Data)
            LineSeries lineSeries = new LineSeries();
            lineSeries.ItemsSource = new ViewModel().Data; // works
            lineSeries.XBindingPath = "Date"; // works
            lineSeries.YBindingPath = "str[0]"; // PropertyBag["AA"] here what to do ??
            chart.Series.Add(lineSeries);
        this.DataContext = vm;
    }