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tony
270
Displaying tooltips when rendering chart control to string
posted

Hi -

 I have a chart that I am rendering to a string and then displaying on a html page.  However when the chart is rendered there are no tooltips.  Is there a way to get the tooltips to display using this method?  When I display the chart without the render to string method, tooltips are displayed just fine.

here is a sample of my code

this.UltraChart2.ChartType = ChartType.ColumnChart;

this.UltraChart2.Data.ZeroAligned = true;

// Set up datasource for parent data

this.UltraChart2.Data.DataSource = GetColumnData();

this.UltraChart2.Data.IncludeColumn(0, false);

// Initialize DrillElement

this.UltraChart2.Drill.Enabled = true;

this.UltraChart2.Drill.ShowButton = true;

this.UltraChart2.Drill.DrillElements = new DrillElement[ { new DrillElement() };

this.UltraChart2.Drill.DrillElements[0].DrillDown = new MyDrillDown(UltraChart2);

this.UltraChart2.Data.DataBind();

System.IO.StringWriter stringWriter = new System.IO.StringWriter();

HtmlTextWriter htmlWriter = new HtmlTextWriter(stringWriter);

UltraChart2.RenderControl(htmlWriter);

Label1.Text= stringWriter.ToString();

  • 28496
    Offline posted

    you need to include ig_webchart.js for the tooltips to work -- normally this happens in the control's prerender method.