Hi,
I just deployed the rc version of the JS library including the promised method on our website.
You can download the lib from here http://www.lightstreamer.com/demo/co...ghtstreamer.js or just wait a week or so for the final official release.

You can use the method like this:



(call it before setting the grid as listener for a Subscription as for the method call to be accepted you need to have an empty grid)