}//------------------------
//event is raised when semester selected index change
private void ctlManagerOnSemesterSelectedIndexChanged()
{
_dateStart = _auxiliaryManager.GetSemesterDateStart(_auxiliaryManager.GetSemesterSystemId(this.ctlManagerAux.SchoolYearIndex,
this.ctlManagerAux.SemesterIndex)).ToShortDateString() + " 12:00:00 AM";;
_dateEnd = _auxiliaryManager.GetSemesterDateEnd(_auxiliaryManager.GetSemesterSystemId(this.ctlManagerAux.SchoolYearIndex,
this.ctlManagerAux.SemesterIndex)).ToShortDateString() + " 11:59:59 PM";
this.ShowSearchResultDialog();
}//----------------------------------------