Can you please help me on setting the url for the whole bar chart.

I have used a barchart and i could set the url for each series in the chart. Now there is a requirement that whole chart needs to be assigned a url. Could you please help me .

Hi Nivedita,

In order to apply a tooltip to a chart (and all it's children) you can use a dom tree enumerator. It will basically traverse all elements contained in the chart - that is walls, axes, series etc. The following code snippet snow how to accomplish this:

using Nevron.Filters;
using Nevron.Dom;
using Nevron.GraphicsCore;
using Nevron.Chart;
using Nevron.Chart.WinForm;

...

private void Form1_Load(object sender, EventArgs e)
{
  NChart chart = nChartControl1.Charts[0];
  NBarSeries bar = new NBarSeries();
  bar.Values.Add(10);
  bar.Values.Add(20);
  bar.Values.Add(30);
  chart.Series.Add(bar);

  ApplyInteractivity(chart, new NInteractivityStyle("Some Tooltip"));
  nChartControl1.Controller.Tools.Add(new NTooltipTool());
}

public void ApplyInteractivity(NChart chart, NInteractivityStyle interactivity)
{
  // enumerate all panels
  NNodeTreeEnumerator enumerator = new NNodeTreeEnumerator((INNodeContainer)chart, new NInstanceOfTypeFilter(typeof(NChartElement)), -1, TreeTraversalOrder.BreadthFirst);

  while (enumerator.MoveNext())
  {
    NChartElement element = enumerator.Current as NChartElement;
    if (element == null)
      continue;

    INAttributeContainer attributeContainer = element as INAttributeContainer;
    if (attributeContainer == null)
      continue;

    INAttribute attribute = attributeContainer.GetAttributeByName("InteractivityStyle");
    if (attribute != null)
    {
     attributeContainer.SetAttributeByName("InteractivityStyle", (INAttribute)interactivity.Clone());
    }
  }
}

Hope this helps - let me know if you meet any problems.

Best regards,
Bob