click event on Region of pie chart

Hi,

Here you have not difined, which kind of chart you are using. It seems like you are using ms chart. Right?, then see below.


// in aspx page

<asp:chart id="PieChart" runat="server" OnClick="PieChart_Click">
...



//On code behind file

protected  void   PieChart_Click(object sender, ImageMapEventArgs e)
{
  //your code to open popup
}

hope it helps