public void SetChannel2Group(string baseUrl, int districtServerId, IEnumerable <Channel2Group> c2gs, int appId, string endpointUrl, string sessionId)
        {
            string connectionStr = _dbConnectionService.GetConnection(baseUrl);

            foreach (Channel2Group c2g in c2gs)
            {
                _databaseProvider.Excute(connectionStr, "[dbo].[cma_c2g.set]", new { server_id = c2g.channelId, group_id = c2g.groupId }, CommandType.StoredProcedure);
            }

            _databaseProvider.Excute(connectionStr, "[dbo].[cma_extended.set]",
                                     new
            {
                district_server_id = districtServerId,
                app_id             = appId,
                endpoint_url       = endpointUrl,
                session_id         = sessionId
            },
                                     CommandType.StoredProcedure);
        }