There are several ways to open the DataSource Configuration Dialog:
method 1
Right-click the Databound Control Template in the Template Tree and choose Modify DataSource. This can be done in the Template Options Page or in the Template Tree tool window (a tool window for the WebForm Designer).
method 2
Click the Databound Control Template in the Template Tree, and then click the Modify DataSource link in the Template Actions. This is also done from the Template Options Page or in the Template Tree tool window.
method 3
Right-click on the Databound Control Template in the Webform Designer and choose Template Options - Modify DataSource from its context menu.
