/// <summary>
        /// Adds an address to the contact
        /// </summary>
        /// <param name="contactAddress">Contact Address Object</param>
        /// <returns>String Success/Failure with respective Error</returns>
        public string AddAddress(ContactAddress contactAddress)
        {
            string result = string.Empty;

            try
            {
                _contactValidation.ValidateContactAddress(contactAddress);
                result = _iContactDAL.AddAddress(contactAddress);
            }
            catch (Exception ex)
            {
                result = ex.Message;
            }
            return(result);
        }