/// <summary>
        /// Grabs all the clients using the database controller.
        /// </summary>
        /// <returns>Returns a list of clients if successful. If not then
        /// null is returned.</returns>
        public List <Client> GetAllClients()
        {
            try
            {
                List <string> clientNames = new List <string>();
                List <Client> clients     = m_databaseController.GetAllClients();

                foreach (var client in clients)
                {
                    clientNames.Add(client.Name);
                }

                return(clients);
            }
            catch (Exception)
            {
                return(null);
            }
        }