private void button4_Click(object sender, EventArgs e)
        {
            string indice = dataGridView2.SelectedCells[0].RowIndex.ToString();

            control = new ControlVentanaAdminUsuarios();
            control.editarUsuarios(indice);
        }
 private void button3_Click(object sender, EventArgs e)
 {
     control = new ControlVentanaAdminUsuarios();
     control.agregarUsuarios();
 }
        public void administrarUsuarios()
        {
            ControlVentanaAdminUsuarios cvau = new ControlVentanaAdminUsuarios();

            cvau.inicia();
        }