public Core.Business.ExternalAppAccount Select(Guid id)
        {
            SqlServerUtility sql = new SqlServerUtility(connectionString);

            sql.AddParameter("@Id", SqlDbType.UniqueIdentifier, id);
            SqlDataReader reader = sql.ExecuteSPReader("USP_ExternalAppAccount_Select_By_Id");

            if (reader != null && !reader.IsClosed && reader.Read())
            {
                Core.Business.ExternalAppAccount externalAppAccount = new Core.Business.ExternalAppAccount();

                if (!reader.IsDBNull(0)) externalAppAccount.Id = reader.GetGuid(0);
                if (!reader.IsDBNull(1)) externalAppAccount.DateCreated = reader.GetDateTime(1);
                if (!reader.IsDBNull(2)) externalAppAccount.AppId = reader.GetInt64(2);
                if (!reader.IsDBNull(3)) externalAppAccount.AccountId = reader.GetInt64(3);

                reader.Close();
                return externalAppAccount;
            }
            else
            {
                if (reader != null && !reader.IsClosed)
                    reader.Close();

                return null;
            }
        }
        public IList<Core.Business.ExternalAppAccount> GetAllExternalAppAccount()
        {
            IList<Core.Business.ExternalAppAccount> externalAppAccountlist = new List<Core.Business.ExternalAppAccount>();
            SqlServerUtility sql = new SqlServerUtility(connectionString);

            SqlDataReader reader = sql.ExecuteSPReader("USP_ExternalAppAccount_SelectAll");

            if (reader != null)
            {
                while (reader.Read())
                {
                    Core.Business.ExternalAppAccount externalAppAccount = new Core.Business.ExternalAppAccount();

                    if (!reader.IsDBNull(0)) externalAppAccount.Id = reader.GetGuid(0);
                    if (!reader.IsDBNull(1)) externalAppAccount.DateCreated = reader.GetDateTime(1);
                    if (!reader.IsDBNull(2)) externalAppAccount.AppId = reader.GetInt64(2);
                    if (!reader.IsDBNull(3)) externalAppAccount.AccountId = reader.GetInt64(3);

                    externalAppAccount.MarkOld();
                    externalAppAccountlist.Add(externalAppAccount);
                }
                reader.Close();
            }
            return externalAppAccountlist;
        }