Hi,

I am not able to sort the two columns - Used Keys & Balace Keys - in the following ultrawebgrid.

  <igtbl:UltraWebGrid ID="InfraGrid_Keys" runat="server" EnableAppStyling="True" StyleSetName="Office2007Silver" OnInitializeRow="RowInitialize" Width="100%">
          <Bands>
            <igtbl:UltraGridBand>
              <Columns>
              <igtbl:UltraGridColumn BaseColumnName="Id" Key="Id" ServerOnly="True"> </igtbl:UltraGridColumn>
              <igtbl:UltraGridColumn BaseColumnName="PriceBand" Key="PBs">
                <Header Caption="PriceBand">
                  <RowLayoutColumnInfo OriginX="1" />
                </Header>
                <Footer>
                  <RowLayoutColumnInfo OriginX="1" />
                </Footer>
              </igtbl:UltraGridColumn>
              <igtbl:UltraGridColumn BaseColumnName="Products" Key="Products">
                <CellStyle Wrap="True"> </CellStyle>
                <Header Caption="Products">
                  <RowLayoutColumnInfo OriginX="2" />
                </Header>
                <Footer>
                  <RowLayoutColumnInfo OriginX="2" />
                </Footer>
              </igtbl:UltraGridColumn>   
             
               <igtbl:TemplatedColumn DataType="System.Int32" Type="Custom"  Key="Balance Keys">
               <CellTemplate>              
               <asp:LinkButton ID="Lnk_Btn" runat="server" CommandArgument='<%# DataBinder.Eval(Container.DataItem, "ID") %>'  CommandName="BindUnused" Text='<%# DataBinder.Eval(Container.DataItem, "Balance Keys") %>' OnClick="Lnk_Btn_OnClick"  > </asp:LinkButton>
               </CellTemplate>
               <Header Caption="Balance Keys" Title="Balance Keys">
                   <RowLayoutColumnInfo OriginX="3" />
               </Header>
               <Footer>
                     <RowLayoutColumnInfo OriginX="3" />
               </Footer>
               </igtbl:TemplatedColumn>
             
               <igtbl:TemplatedColumn DataType="System.Int32" Type="Custom" Key="Used Keys">
               <CellTemplate>
                 <asp:LinkButton ID="Lnk_UsedKeys" runat="server" CommandArgument='<%# DataBinder.Eval(Container.DataItem, "ID") %>' CommandName="BindUsed" Text='<%# DataBinder.Eval(Container.DataItem, "Used Keys") %>' OnClick="Lnk_UsedKeys_OnClick" > </asp:LinkButton>
                 </CellTemplate>
                <Header Caption="Used Keys" Title="Used Keys">
                    <RowLayoutColumnInfo OriginX="4" />
                </Header>
                    <Footer>
                        <RowLayoutColumnInfo OriginX="4" />
                    </Footer>
                </igtbl:TemplatedColumn>               
              </Columns>
             
          <AddNewRow View="NotSet" Visible="NotSet"> </AddNewRow>
          </igtbl:UltraGridBand>
          </Bands>
          <DisplayLayout AllowColumnMovingDefault="OnServer" ColWidthDefault="" GroupByColumnsHiddenDefault="No"
           IndentationDefault="20" Name="ctl02xInfraGridxKeys" RowHeightDefault="20px" RowSelectorsDefault="No" SelectTypeCellDefault="Single"
          SelectTypeColDefault="NotSet" SelectTypeRowDefault="Single" Version="3.00" AutoGenerateColumns="False" AllowSortingDefault="Yes" HeaderClickActionDefault="SortSingle">
            <FrameStyle Width="100%"> </FrameStyle>
            <SelectedRowStyleDefault BackColor="Silver"> </SelectedRowStyleDefault>
            <ActivationObject BorderColor="" BorderWidth=""> </ActivationObject>
            <FilterOptionsDefault  AllowRowFiltering="OnServer" FilterUIType="FilterRow"> </FilterOptionsDefault>
            <RowStyleDefault Font-Names="Verdana" Font-Size="8pt"> </RowStyleDefault>
          </DisplayLayout>
      </igtbl:UltraWebGrid>

can some one please help.