if AllowFilteringByColumn="false" and in cs file we r changing its value to true in certain condition
then on clicking the filter header all option regarding filter r coming at top of the page
answered on 20 Oct 2010, 12:32 PM
The problem is caused by the fact that the CSS code for the filtering RadMenu is not registered on the page. This occurs when an autogenerated child RadControl is rendered (Visible="true" server property) as a result of an AJAX request.
Set EnableAjaxSkinRendering to true for the RadGrid control in Page_Load (both on initial load and after postbacks).
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