Cell:
Insert first in Row (id="myTr")
Insert second in Row (id="myTr")
Remove first in Row (id="myTr")
Remove second in Row (id="myTr")
Count Cells in Row (id="myTr")

Row:
Insert into first line
Insert into second line
Remove from first line
Remove from second line
Count Rows
Row1 cell1 Row1 cell2
Row2 cell1 Row2 cell2
Row2 cell1 Row2 cell2