How to retrieve the filtered value from a radgrid filter control?

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Telerik

Hi
I am trying o retrieve the value apply on filter on itemcommand.
But everytime its showing me blank.


Please help me out.

Thanks in Advance!

What I have tried:

Dim filterPair As Pair = DirectCast(e.CommandArgument, Pair)
Dim filterBox As TextBox = CType((CType(e.Item, Telerik.Web.UI.GridFilteringItem))(filterPair.Second.ToString()).Controls(0), TextBox)

Secondly i try with CurrentFilterValue() function.