Hi,

 i am biding my grid wih dataset dynamically, but when i try to expend my parent then

'no child grid script descriptors are available' error come.

i am creating the data relation between id and PId in dataset, but

'no child grid script descriptors are available' error come.

How can i resolve this problem?

Code

<ig:WebHierarchicalDataGrid ID="testGrid" Width="100%" AutoGenerateColumns="false"
          AutoGenerateBands="false" runat="server" DataKeyFields="Id">
          <Columns>
            <ig:BoundDataField DataFieldName="Description" Key="Description" Header-Text="Description" />
            <ig:BoundDataField DataFieldName="Id" Key="Id" Header-Text="Description" />
          </Columns>
          <Bands>
            <ig:Band Key="Id" AutoGenerateColumns="false" DataKeyFields="Id" ShowHeader="false">
              <Columns>
                <ig:BoundDataField DataFieldName="Description" Key="Description" Header-Text="Description" />
                <ig:BoundDataField DataFieldName="Id" Key="Description" Header-Text="Description" />
                <ig:BoundDataField DataFieldName="PId" Key="PId" Header-Text="Description" />
              </Columns>
            </ig:Band>
          </Bands>
        </ig:WebHierarchicalDataGrid>