- newControl
- The control to add to the Web Forms page.
- referenceControl
- The control relative to which newControl is added.
- location
- A System.Web.UI.Design.ControlLocation value that indicates the location for newControl relative to referenceControl.
The ID of the control that was added.
Although a control might already have an ID assigned to it, if there is already a control in the Web Forms page with the same ID, a new ID is assigned.