Thanks for the reply, Allen.
My issue is, TC couldn't analyze some of my web table properly.
sorry for couldn't attach the img, because I'm at home now.
Under tree model, TC should can analyse a table to be Cell(0,0), Cell(0,1)......Cell(1,0), Cell(1,1)......
But currently, all the row id of the Cell is 0, so they are Cell(0,0), Cell(0,1)......, then again, Cell(0,0), Cell(0,1)........
The interesting part is, it works well on IE7, but not on IE8.
And for some of our build, it works properly on IE8 compatible mode, but never on un-compatible mode.
I try to review the html source to get some clue, but I couldn't.
And I just bump into the idea that it may be relevant to how TC get the web UI.
No matter what, know how TC get UI helps me know TC more.