protected override void PushData()
{
base.PushData();
ClsInternationalStudent lcStudent = (ClsInternationalStudent)_Student;
lcStudent.Country = txtCountry.Text;
lcStudent.IELTSScore = Convert.ToSingle(txtIELTS.Text);
}
protected override void UpdateDisplay()
{
base.UpdateDisplay();
ClsInternationalStudent lcStudent = (ClsInternationalStudent)_Student;
txtCountry.Text = lcStudent.Country;
txtIELTS.Text = Convert.ToString(lcStudent.IELTSScore);
}