private void b_save_Click(object sender, EventArgs e)
{
string conStr = @"Data Source=" + txtBoxSRV.Text +
";Initial Catalog=" + txtBoxBD.Text +
";Integrated Security=False;User ID=" + t_Login.Text +
";Password="******";Pooling = true;";
ToConnection ToConnection = new ToConnection();
ToConnection.add_conf(conStr);
}