Get a value from database after onChange event of Dropdown with JQuery

Get a value from database after onChange event of Dropdown with JQuery

Hello ,
Iam trying to find a solution for dropdown selected item,
  {{ Form::select('idShow',array('0' => 'Select one option') + $shows, $event->idShow, array('class' => 'form-control', 'id' => 'idShow')) }}.
After i slect an item I want to gat from databse two other filed that have the id of selected item with onChange event in Jquery.Can you tell me please if have  manner to do it ?