private void updateDataGridView()
        {
            Cursor.Current = Cursors.WaitCursor;
            dgvEmployee.Rows.Clear();
            serviceDA = new DBControllerWSClient();
            employees = new BindingList <employee>(serviceDA.queryAllEmployee());

            for (int i = 0; i < employees.Count; i++)
            {
                dgvEmployee.Rows.Add(new String[] {
                    "" + employees[i].dni, employees[i].name, employees[i].lastName, employees[i].phone, employees[i].email, employees[i].role
                });
            }
            Cursor.Current = Cursors.Arrow;
        }