public DatasetSource(string group, string configFile)
 {
     sender = new DatasetSender(configFile);
     InitItems(group);
 }
 public DatasetSource(string group, IPEndPoint endpoint)
 {
     sender = new DatasetSender(endpoint);
     InitItems(group);
 }
 public DatasetSource(string group)
 {
     sender = new DatasetSender();
     InitItems(group);
 }