Are you trying to delete all of the rows in the model? If so, instead of delQliPri.data, use delQliPri.getAllRows() in the each statement. Also, call deleteRow(row), instead of {Id:row.Id}
Are you trying to delete all of the rows in the model? If so, instead of delQliPri.data, use delQliPri.getAllRows() in the each statement. Also, call deleteRow(row), instead of {Id:row.Id}