public void refresh()
{
var newlog = Adminlogin4.Text;
this.Close();
addnewlibBib adn = new addnewlibBib(newlog);
adn.Show();
}
private void uneNouvelleLibrairieToolStripMenuItem_Click(object sender, EventArgs e)
{
addnewlibBib adl = new addnewlibBib(adminLogin.Text);
adl.Show();
}