Having problem with change of name in the datagrid Coding

Question

I am having problem with changing the name of the datagrid header text name for one of the data either in the flash file or the php file.
The thing is i want to change the Course_Name to Course Name that has no underscore so that it will look nicer in the datagrid but if I change it in the php file like SELECT Course_Name as 'Course Name' ....., it will not turn out in the datagrid when I CTRL ENTER the flash file but the others like Price,description and display is shown.
There is no problem with my php code but I do not know how to change the Course_Name into Course Name so please help me resolve this error that I am having.
This is my flash code
  function goCourse(e : MouseEvent):void
  gotoAndStop(5);
  refreshResponder = new Responder (refreshSuccess, onFault);
  connection = new NetConnection ();
  connection.connect (gateway);
  dataDG.addEventListener (Event.CHANGE, gridItemSelected);
  refreshData (true);
  function gridItemSelected (e: Event): void {
  ID = e.target.selectedItem.ID;
  courseTxt.text = e.target.selectedItem.Course_Name;
  priceTxt.text = e.target.selectedItem.Price;
  descTxt.text = e.target.selectedItem.Description;
  private function getParams () {
  var param: Object = new Object ();
  param.ID = ID;
  param.Course_Name = courseTxt.text;
  param.Price = priceTxt.text;
  param.Description = descTxt.text;
  return param;
  private function refreshData (refresh: Boolean): void {
  if (refresh)
  connection.call ("Course.viewCourse", refreshResponder);
  private function refreshSuccess (result: Object): void {
  dataDG.dataProvider = RecordSetDP.toDataProvider (result);
     dataDG.columns = ["Course_Name","Price","Description","Display"];
  private function onFault (fault: Object): void {
  trace (String (fault.description));
This is my php file code.
  function viewCourse()
  $this->connect();
  $sql = "SELECT Course_Name,Price,Description,Display
  FROM coursetb";
  return mysql_query($sql,$this->_connection);

Answer 1

i don't see where you're calling your php file in your code, but change 'Course Name' to 'Course_Name' (or vice-versa) there.