private void btnAddStudent_Click_1(object sender, EventArgs e)
{
frmRegisterStudent frmRegisterStudent = frmRegisterStudent.GetInstance();
frmRegisterStudent.Show();
this.Hide();
}
public static frmRegisterStudent GetInstance()
{
if (Instance == null)
{
frmRegisterStudent new_Instance = new frmRegisterStudent();
return(new_Instance);
}
return(Instance);
}