public void LoadSection()
{
//clear list
teachers.Clear();
cmbSection.Items.Clear();
//pass value to list
teacher.TeacherId = teacher_id;
teachers = teacher.GetByTeacherNo();
//loop through load it to list view
foreach (var item in teachers)
{
cmbSection.Items.Add(item.Section);
} //End LoadSchedule()
} //End LoadRecords()
