find textbox in a table inside a table

there is a table with textboxes (lowertable - render at realtime by the following code) inside the Main table(table1).
I wish to get textbox text.  But fail.  Grateful for any help
***test********
MsgBox(table1.Rows.Count)   -   OK MsgBox(tablelower.Rows.Count) -   0 record - Fail
but tablelower control can be recognize when i type in code page

*****code**********
While reader.Read()                
trow = New HtmlTableRow()
tcell = New HtmlTableCell()                 tcell.InnerText = RunningNo.ToString                 trow.Cells.Add(tcell)
tcell = New HtmlTableCell()            &n ...