private void asubjectCode_SelectedIndexChanged(object sender, EventArgs e)
{
roomsConn roomsConn = new roomsConn();
String getSelectedSubject = asubjectCode.Text.ToString();
String getSelectedSession = sessionType.Text.ToString();
atags.DataSource = roomsConn.getSessionType(getSelectedSubject, getSelectedSession);
// atag2.DataSource = roomsConn.getTag2Type(getSelectedSubject, getSelectedSession);
String selectedSessionType = sessionType.Text.ToString();
String selectedSubject = asubjectCode.Text.ToString();
atags.DataSource = roomsConn.getSessionTypeTag(selectedSessionType, selectedSubject, aroomType.Text.ToString());
}
