private void Button_Click_1(object sender, RoutedEventArgs e)
        {
            Vacancy v = new Vacancy();

            v.Description = XVacancyDescription.PValue.ToString();
            v.MaxPay      = Convert.ToInt32(XMaxPay.Text);
            v.MinPay      = Convert.ToInt32(XMinPay.Text);
            v.CompanyId   = DataSaver.CurrentUser.Company.Id;
            DataBaseInterface.AddVacancy(DataSaver.UId, DataSaver.PasswordHash, v);
        }