public string CustomerInfoUpdate(string CustomerId, string FirstName, string LastName, string StreetAddress, int CountryId, int StateProvinceId, string Phone)
        {
            int obj;


            using (var entities = new SedapExpressEntities())
            {
                obj = entities.CustomerInfoUpdate(Convert.ToInt32(CustomerId), FirstName, LastName, StreetAddress, CountryId, StateProvinceId, Phone);
            }

            return(JsonConvert.SerializeObject(obj));
        }