I made two examples in fiddle:
The first example woring perfect: http://jsfiddle.net/G2SrY/
In the second example I removed the wrapping element from binded attribute: http://jsfiddle.net/G2SrY/1/
So it was my mistake, I have always to wrap a binded object.
The first example woring perfect: http://jsfiddle.net/G2SrY/
In the second example I removed the wrapping element from binded attribute: http://jsfiddle.net/G2SrY/1/
So it was my mistake, I have always to wrap a binded object.