private void DeletePointOfContact(PointOfContact poc)
        {
            try
            {
                ServiceContactHelper client = new ServiceContactHelper();
                client.DeletePointOfContact(user, poc.PointOfContactID);
                client.Close();
                MessageBox.Show("Operation Success");

            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message);
            }
        }