Unity 4.6 UI scrollbar not working ?

i create a scroll rect , and bind a scrollbar to it. The scrollbar can move as i drag the scrollrect. but the scrollrect can’t move when i drag the scrollbar ? i can’t solve this problem, can you help me ?

At last , i solve this problem , it’s my fault rather than new UI System. i make the content bigger than the parented scrollrect, then it works.

Sounds like you are doing things right but something is out of sequence
or wrongly parented

Make sure the Scrollbar is a thing and not appearing as only a property
then drag the thing from the hierarchy into the bottom of the scroll rect

Also have you watched this: