public/javascripts/inputex/js/widgets/dtInPlaceEdit.js
function(e) {
		Event.stopEvent(e);
		var target = Event.getTarget(e);	
		this.datatable.deleteRow(target);
    	this.insertButton.disabled = false ;
	}
function(e) {
		Event.stopEvent(e);
		var target = Event.getTarget(e);	
		this.datatable.deleteRow(target);
    	this.insertButton.disabled = false ;
	}
function ( e ) { Event . stopEvent ( e ) ; var target = Event . getTarget ( e ) ; this . datatable . deleteRow ( target ) ; this . insertButton . disabled = false ; }
When clicking "Cancel" button to cancel a new row
When clicking Cancel button to cancel a new row