Did you omit to add the answer of the first question? It is the most important because client-side functionality (like scrolling) requires no JS errors on the page. Also without any clue of your code (question 4) we can't say where the problem might be.
Please add the answer to the first question and try to answer to the following ones:
1. Do you ajaxify the RadWindow and/or the RadGrid. If so please go through this topic: How to Use RadWindow with AJAX
2. Is it possible to provide your ajax settings?
3. Please try to repaint grid's structure after it is loaded using the .repaint()
method. Call the below handler OnGridCreated client event:
If this can't help please elaborate more and provide the needed information in order to replicate the problem on our side.
DevCraft Q1'14 is here! Watch the online conference to see how this release solves your top-5 .NET challenges. Watch on demand now.