I see now that
if I enable smartRendering, column sorting stops working. This seems to be a
bug
There is no way to organize client sorting in case of
smart rendering, that is why client side sorting is disabled in case of smart
rendering, because not all data is fetched from server, and there is no
standard server side script interface.
In case of smart Rendering you can organize you own
server side sorting by using setOnColumnSort event for transferring data to
server side scripts and by reloading grid after that.<o:p></o:p>