how to copy rows from one grid to another dhtmlxgid?

how to copy rows from one grid to another dhtmlxgid?

You may use drag’n’drop functionality:
dhtmlx.com/docs/products/dht … _grid.html

Also you may use moveRowTo() api method:
docs.dhtmlx.com/doku.php?id=dhtm … _moverowto

mygrid.setColumnHidden(0,true) is not working…

Unfortunately the issue cannot be reconstructed locally.
Please provide any kind of sample or demo link where it can be reconstructed.