<asp:BoundColumn DataField="ItemNumber" HeaderText="Item #">
    <HeaderStyle Width="3%"></HeaderStyle>
</asp:BoundColumn>
<asp:TemplateColumn HeaderText="Qty">
    <HeaderStyle Width="5%"></HeaderStyle>
    <ItemTemplate>
        <asp:TextBox id="QuantityTextbox" runat="server" Text='<%# DataGrid_BindQuantity(DataBinder.Eval(Container, "DataItem.ItemId")) %>'  </asp:TextBox>
    </ItemTemplate>
</asp:TemplateColumn>

    CatalogGrid.DataSource = CatalogItems.PageFill
    CatalogGrid.DataBind()

        Protected Function DataGrid_BindQuantity(ByVal dataItem As Object) As String
            Dim value As String = String.Empty

            Dim ThisOrder As MyOrderClass = CType(Me.GetSessionValue("Order"), MyOrderClass)
            If Not IsNothing(ThisOrder) Then
                Dim ItemId As String = dataItem.ToString
                If ThisOrder.OrderedItems.Contains(ItemId) Then
                    value = ThisOrder.OrderedItems(ItemId).Quantity.ToString()
                End If
            End If

            Return value
        End Function

If datagrid.rows.count = 0 then
datagrid.visible = False
else
datagrid.visible = True
End If

Dim SQLRow as datarow
Dim Index as Integer = 0

For Each SQLRow In DataGrid.Rows
If SQLRow(ColumnName).tostring = "" Then
DataGrid.Rows(Index).Visible = False
else
DataGrid.Rows(Index).Visible = True
End If

Index += 1
Next