Ajax Tutorial for OpenFlashChart Control - Page 2

Now its time to put some logic behind these buttons. In our previous example we just assigned the URL property in the page load:



We now want to add additional logic to modify the URL when one of the 3 buttons is clicked. Lets add a name value pair of button to the url string. This will allow our data page to know what data we are requesting:

Now we need to make 3 distinct changes to our chart in the Data.aspx page. Notice the select case statement I have added to the page load. I now check the value of button in the requesting URL. Based on the value (1-3) I change the apearance of the chart:

We now can change the data in the chart or the way it looks (I just changed the look to keep it simple). Here are the results when you click the 3 different buttons: