Automatic RadGrid data source operations doesn't seem to be working when grid is in a RadPanelBar. Do I need specify any specific variables?
    
                                | <telerik:RadPanelItem Value="companyNames" runat="server"> | 
| <ItemTemplate> | 
| <telerik:RadGrid ID="RadGrid1" runat="server" Skin="Windows7" AllowAutomaticDeletes="True" | 
| AllowAutomaticInserts="True" PageSize="10" AllowAutomaticUpdates="True" AllowPaging="True" | 
| AutoGenerateColumns="False" DataSourceID="datasource" DataKeyNames="id" OnItemUdated="radGrid_ItemUpdated" | 
| OnItemDeleted="radGrid_ItemDeleted" OnItemInserted="radGrid_ItemInserted" OnDataBound="radGrid_DataBound"> | 
| <PagerStyle Mode="NextPrevAndNumeric" /> | 
| <MasterTableView DataSourceID="datasource" Width="100%" CommandItemDisplay="TopAndBottom" | 
| DataKeyNames="id" HorizontalAlign="NotSet" AutoGenerateColumns="False" EditMode="InPlace"> | 
| <Columns> | 
| <telerik:GridEditCommandColumn ButtonType="ImageButton" UniqueName="EditCommandColumn" /> | 
| <telerik:GridBoundColumn DataField="id" Visible="false" HeaderText="id" UniqueName="id" | 
| DataType="System.Int32" /> | 
| <telerik:GridBoundColumn UniqueName="companyName" DataField="companyName" HeaderText="companyName" | 
| ColumnEditorID="GridTextBoxColumnEditor1" /> | 
| <telerik:GridNumericColumn UniqueName="percentage" DataField="percentage" HeaderText="Percentage" | 
| ColumnEditorID="GridNumericColumnEditor1" /> | 
| <telerik:GridButtonColumn ConfirmText="Delete this entity?" ConfirmDialogType="RadWindow" | 
| ConfirmTitle="Delete" ButtonType="ImageButton" CommandName="Delete" Text="Delete" | 
| UniqueName="DeleteColumn"> | 
| <ItemStyle HorizontalAlign="Center" CssClass="MyImageButton" /> | 
| </telerik:GridButtonColumn> | 
| </Columns> | 
| </MasterTableView> | 
| </telerik:RadGrid> | 
| <telerik:GridDropDownListColumnEditor ID="GridDropDownColumnEditor1" runat="server" | 
| DropDownStyle-Width="110px" /> | 
| <telerik:GridNumericColumnEditor ID="GridNumericColumnEditor1" runat="server" NumericTextBox-Width="40px" /> | 
| <asp:SqlDataSource ID="datasource" runat="server" ConnectionString="<%$ ConnectionStrings:sqlReIns1 %>" | 
| DeleteCommand="DELETE FROM myTable WHERE (id = @id)" OldValuesParameterFormatString="original_{0}" | 
| InsertCommand="INSERT INTO myTable(companyName, percentage, parentID) VALUES (@companyName, @percentage, @parentID)" | 
| SelectCommand="SELECT id, companyName, percentage FROM myTable where parentID=@parentID" | 
| UpdateCommand="UPDATE myTable SET companyName = @companyName, percentage = @percentage WHERE (id = @id)"> | 
| <SelectParameters> | 
| <asp:SessionParameter DefaultValue="0" Name="parentID" SessionField="sessparentID" | 
| Type="Int32" /> | 
| </SelectParameters> | 
| <DeleteParameters> | 
| <asp:Parameter Name="id" Type="Int32" /> | 
| </DeleteParameters> | 
| <UpdateParameters> | 
| <asp:Parameter Name="companyName" /> | 
| <asp:Parameter Name="percentage" /> | 
| <asp:Parameter Name="id" /> | 
| </UpdateParameters> | 
| <InsertParameters> | 
| <asp:Parameter Name="companyName" Type="String" /> | 
| <asp:Parameter Name="percentage" Type="Double" /> | 
| <asp:SessionParameter DefaultValue="0" Name="parentID" SessionField="sessparentID" | 
| Type="Int32" /> | 
| </InsertParameters> | 
| </asp:SqlDataSource> | 
| </ItemTemplate> | 
| </telerik:RadPanelItem> | 
| </Items> | 
| </telerik:RadPanelItem> |