private void LoadBarChart()
{
((ISeriesHost)barChart).Axes.CollectionChanged += Axes_CollectionChanged;
var client = new DashWCFClient.DashWCFClient();
client.ProcCallCompleted += client_ProcCallCompleted;
LayoutRoot.IsBusy = true;
client.ProcCallAsync("Dash_ReturnedNotFiled", null);
}