Ok it works.

But the problem is :

The added row appears first in the grid, so the grid is not sorted.

Imagine that i add a row, wich will be normally placed on the second page of my grid,position 12 for instance.

with your method it appears in the first page of my grid at the first position.

So i would like to know if after adding my row, if it is possible to have my grid showing the second page, and having