I have web form using tabpanel navigation. One of the tabs contains two clickable bar charts and a gridview. When the tab is opened the first chart appears. When a bar on the first chart is clicked the second chart appears. When a bar on the second chart is clicked the gridview appears. When I click to another tab and then back to the first tab the two charts are gone but the gridview is still there. I would prefer that either all three controls are gone or all three are still there. I created some code behind to execute on the unload event of the tabpanel that sets the gridview visible="false". When I run the form in debug with a breakpoint on the codebehind I can see the gridview visible="false" execute but when I click the original tab again the gridview is still there.
Could someone kindly explain to me what is going on - why is the gridview still visible? I would rather all three controls still be visible when I navigate back to the tab or all three be gone.
Thanks tonnes for any help, Roscoe