Editable grid

the below code doesn't work in editable grid can anybody help
// @@@ step1 - set selectionIndex to last row
// use Data or Row, what ever was used initially in set
// obj.setProperty("selection/index", obj.getDataProperty("count") - 1);
obj.setProperty("selection/index", obj.getRowProperty("count") - 1);
  i am using this after obj.write .

You should use selected rows property with AW 2

var row = obj.getRowCount() - 1;
    obj.setSelectedRows([row]);

 

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