Thanks Hans, but this doesn't solve the problem.

I downloaded the latest hotfixes and updates but that hasn't worked either.

To recreate:

1. Create a grid with the same columsn I've created above.

2. On initial page load, you can create a List(of String()) of some values i.e.

dim rowData1 as String() = {"", "1", "1", "(", "1", ",", "1", ",", "1", ")", "1", "", "")
dim rowData2 as String() = {"", "2", "2", "(", "2", ",", "2", ",", "2", ")", "2", "", "")
dim myList as new List(of String())
myList.add(rowData1);
myList.add(rowData2);

dim newRow as New WebGridRow(myList);
myGrid.RootTable.Rows().add(newRow);

Add as many of these as you want. Save this list in the session somewhere too.

3. Add a button on the screen that will create a post back. For that buttons handler, retreive the data from session, iterate through the list and add the rows again i.e.

''' <summary>
    ''' binds this list to the grid
    ''' </summary>
    ''' <param name="results"></param>
    ''' <remarks></remarks>
    Private Sub BindGrid(ByVal results As List(Of String()))
        ' Note (XXX): we can't bind the grid by simply setting the datasource property since this is a list of string arrays
        ' we have to iterate through the list and add each row manually
        If results IsNot Nothing Then
            For i As Integer = 0 To results.Count - 1
                Dim data As String() = results(i)
                Me.wbCompareResults.RootTable.Rows().Add(New ISNet.WebUI.WebGrid.WebGridRow(data))
            Next
        End If
    End Sub

Below is the RowInitialize handler for the grid. I am inserting a checkbox for the first column:

Private Sub wbCompareResults_InitializeRow(sender As Object, e As ISNet.WebUI.WebGrid.RowEventArgs) Handles wbCompareResults.InitializeRow
        If e.Row.Type = ISNet.WebUI.WebGrid.RowType.Record Then
                ' add the checbox control 
                ' I had some other code here for the checkbox, but this should be sufficient.
                e.Row.Cells(0).Text = "<input type=""checkbox""/>"
        End If
    End Sub

I also added the client side OnInitialize function you provided.

Looking forward to your response.

Hi Bernard,

After the update yesterday, the WebGrid version is: 7.0.7200.533

But I don't seem to have the WebDesktop.NET 3.0 folder.  Did it get deleted with the update?  How can I get it back?

Thanks

Yes, it is working fine now.  Thank you & regards.