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我当我试图救我entitie buzzmate我有这样的例外:的EntityFramework代码首先异常
An entity object cannot be referenced by multiple instances of IEntityChangeTracker.
这是产生这种异常的代码:
var p = Session["mayaProfile"] as MayaProfile;
BuzzMate buzzmate = new BuzzMate();
buzzmate.MayaProfile = p;
SocialBuzzCompaign socialcampaign = _buzzService.GetSocialBuzzCompaign(model.socialBuzzCompaignId);
//Ajouter le BuzzMate
buzzmate.SocialBuzzCompaign = socialcampaign;
buzzmate.JoiningStatus = JoiningStatus.Approved;
buzzmate.SelectionType = BuzzMateSelectionType.InvitedByBuzzLeader;
//try
//
_buzzService.AddBuzzMate(buzzmate);
,这是方法AddBuzzMate:
public void AddBuzzMate(BuzzMate buzzMate)
{
_buzzMateRepository.Insert(buzzMate);
_buzzMateRepository.Save();
}
当我尝试保存buzzmate我有例外
是的Ladislav先生,实际上我使用模式库和工作单元,所以我使用相同的上下文来加载我的实体,我会尝试你的建议! – ucef
我尝试你的建议来克隆p:MayaProfile maya =(MayaProfile)p.Clone();但问题仍然存在,这可能是由什么造成的? BuzzMate buzzmate = new BuzzMate(); – ucef
MayaProfile中是否有任何相关实体? –