private void LoadChart(RadChart chart, List<ReportData> dt, string seriesname)
 {
     if (dt != null)
     {
         chart.DataManager.DataSource = dt;
         //set the column in the datasource to be used for the labels    
         chart.DataManager.LabelsColumn = "Value";
         chart.DataManager.ValuesYColumns = new string[] { "Count" };
         //sets the labels so that there are no overlaps            
         chart.IntelligentLabelsEnabled = true;
         chart.DataBind();
         chart.Series[0].Name = seriesname;
         //the legend will display the labels of the items, instead of the name of the series             
         chart.Series[0].Appearance.LegendDisplayMode = Telerik.Charting.ChartSeriesLegendDisplayMode.Nothing;
         chart.Update();
     }
     else { chart.Clear(); chart.Update(); chart.Refresh(); }
 }
 private void ConvertToBar(RadChart chart)
 {
     chart.Series[0].Type = Telerik.Charting.ChartSeriesType.Bar;
     chart.Update();
     chart.Refresh();
 }