Sets a property that enables a WebPart or server control to keep the ID of the containing zone.
public void SetZoneID(
The WebPart whose zoneID property value is being set.
A string that contains the ID of the zone that webPart belongs to.
This method is called by the WebPartManager control when a WebPart control is being added to a zone. Each WebPart control tracks the ID for the zone it belongs to, and this method sets the property that keeps the ID value.