ASPxTreelist Server Side Node Selection Doesnt Work?

Feb 2, 2011

i'm trying to select/unselect aspxtreelist nodes that meet the criteria.when user click a row and it fires an event which handled by server side eventhandler.When i debug the code everthing ok.selection works but on the browser side selection remains same as before eventrised.

protected void grid_FocusedRowChanged(object sender, EventArgs e)
{
menutree.UnselectAll();

[code]...

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