The DropDown area is dispositioned on scroll

The DropDown area of RadCombobox is dispositioned on scroll

To solve the problem you should use the following workaround:

SOLUTION

Hook on the scroll event of the container element holding the combobox:

<script>
content.onscroll = function()           
{           
      var combo = $find("<%= RadComboBox1.ClientID %>");       
      combo.hideDropDown();        
}
</script>