private void dataGridView2_DoubleClick(object sender, EventArgs e)
{
string selected_email = dataGridView2.CurrentRow.Cells["Email"].Value.ToString();
foreach (Employee em in managment.GetAllFormerEmployees())
{
if (em.Email == managment.GetFormerEmployeeByEmail(selected_email).Email)
{
MessageBox.Show(em.Reason);
}
}
}