private async void doSearch()
{
if (searchResultViewController != null)
{
Campus tmpCampus = searchResultViewController.selectedCampus;
Lecturer tmpLecturer = searchResultViewController.selectedLecture;
List <SessionBooking> ssList = new List <SessionBooking> ();
if (tmpCampus != null)
{
ssList = await this.searchByCampus(tmpCampus);
}
if (tmpLecturer != null)
{
ssList = await this.searchByLecturer(tmpLecturer);
}
this.showResultInTable(ssList);
}
}