Telerik radgrid filter is not working

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ASP.NET

Hi,

In my form am using telerik radgrid.In that filter option is not working.. I dont know why it is not working..

My code is:


<radG:RadGrid ID="RadGrid1" runat="server" CssClass="RadGrid" GridLines="None" AllowPaging="True"
PageSize="25" AllowSorting="True" Width="100%" AutoGenerateColumns="False" EnableAJAX="True"
HorizontalAlign="NotSet" OnNeedDataSource="RadGrid1_NeedDataSource" OnSelectedIndexChanged="Typeid_SelectedIndexChanged"
AllowFilteringByColumn="True">
<MasterTableView AutoGenerateColumns="false" AllowFilteringByColumn="true" ShowFooter="True" GridLines="None" DataKeyNames="clientid"
TableLayout="Auto">
<Columns>
<radG:GridBoundColumn UniqueName="FirmName" HeaderText="Firm Name" ReadOnly="true" DataField="FirmName">
</radG:GridBoundColumn>
<radG:GridBoundColumn UniqueName="Country" HeaderText="Country Name" DataField="Country">
</radG:GridBoundColumn>
<radG:GridBoundColumn UniqueName="State" HeaderText="State Name" DataField="State">
</radG:GridBoundColumn>
<radG:GridBoundColumn UniqueName="CustType" HeaderText="Type" DataField="CustType">
</radG:GridBoundColumn>
<radG:GridBoundColumn UniqueName="partner_rel" HeaderText="Partner Type" DataField="partner_rel">
</radG:GridBoundColumn>
<radG:GridBoundColumn UniqueName="RelationType" HeaderText="Relation Type" DataField="RelationType">
</radG:GridBoundColumn>
<radG:GridBoundColumn UniqueName="fname" HeaderText="Account Manager" DataField="fname">
</radG:GridBoundColumn>

</Columns>
</MasterTableView>
<ClientSettings>
<ClientEvents OnRowSelected="RowSelected"></ClientEvents>
<Selecting AllowRowSelect="True"></Selecting>
</ClientSettings>
</radG:RadGrid>


Please help ASAP..
Thanks in advance :)