public ChallengeDataProvider()
{
this._ChallengeInitializationDataProviders = new EntitySet<ChallengeInitializationDataProvider>(new Action<ChallengeInitializationDataProvider>(this.attach_ChallengeInitializationDataProviders), new Action<ChallengeInitializationDataProvider>(this.detach_ChallengeInitializationDataProviders));
OnCreated();
}