public String executeTask(int AD_Task_ID){
  MTask task=new MTask(Env.getCtx(),AD_Task_ID,null);
  return task.execute();
}

public String executeTask ( int AD_Task_ID ) { MTask task = new MTask ( Env . getCtx ( ) , AD_Task_ID , null ) ; return task . execute ( ) ; }
execute task on server
