How to assign a new RowId in the target Grid

Discontinued products Uncategorized discussions
#1

I have two Tree Grids in the page. I am Dragging a row from the First TreeGrid to the Second Tree Grid, while doing this I want to assigna a New RowId for  the Dragged Row in the target TreeGrid. 

#2

Please, see the answer here - dhtmlx.com/docs/products/kb/ … 203&a=5995