private void bttnEdit_Click(object sender, EventArgs e)
        {
            DataGridViewRow dgvr;

            dgvr = dgv_Clientes.CurrentRow;
            int        id         = Convert.ToInt32(dgv_Clientes.Rows[dgvr.Index].Cells[5].Value);
            WindowEdit windowEdit = new WindowEdit();
            Clients    clients    = new Clients();

            windowEdit.SelectClientID(clients.connextion, id);
            windowEdit.Show();
        }