private void btAdd_Click(object sender, EventArgs e)
{
AddForm addForm = new AddForm(sr);
addForm.StudentAddedEvent += this.RefreshView;
addForm.Show(this);
}
/// <summary>
/// Persists the changes of the DataGridView on an XML
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btAdd_Click_1(object sender, EventArgs e)
{
addForm = new AddForm();
addForm.StudentAdded += new StudentAddedHandler(this.RefreshDataGrid); // Importante suscribir el metodo que queremos directamente desde el metodo que lanza el segundo evento
addForm.Show();
}