OAF - Deleting record in Advance Table using Row Reference

if("deleteInvDist".equals(string))  //EVENT is deleteInvDist
{           
String rowRef = pageContext.getParameter(OAWebBeanConstants.EVENT_SOURCE_ROW_REFERENCE);
OARow row = (OARow)am.findRowByRef(rowRef);
row.remove();
am.invokeMethod("commit"); // Perform commit in AM Impl
}