private void btnaddstudent_Click(object sender, EventArgs e)
{
this.Hide();
EvaluateStudent ab = new EvaluateStudent();
ab.Show();
}
private void linkLabel7_LinkClicked(object sender, LinkLabelLinkClickedEventArgs e)
{
this.Hide();
EvaluateStudent addnew = new EvaluateStudent();
addnew.Show();
}
