ReBind Telerik RadGrid from RadToolBarButton +AJAX

I've been using Telerik Controls for a couple months now, and have yet to apply AJAX to any of my UserControls. While I've been learning, I've been doing full Postback's every time I need to Update a RadGrid or insert data. After getting my Web App looking the way I want it, I've realized that doing full Postback's not only looks bad, but it is quite slow.I've been using Telerik Controls for a couple m