0
tblAgreement AgreementOld = (from g in TDC.tblAgreements
where g.AccountID == ids.accountID && g.AgreementID == AgreementID
select g).SingleOrDefault();
Guid AgreementIDNew = Guid.NewGuid();
var AgreementNew = AgreementOld;
AgreementNew.AgreementID = AgreementIDNew;
AgreementNew.StatusChangeDate = DateTime.Now;
AgreementNew.CreationDate = DateTime.Now;
AgreementNew.AccountID = ids.accountID;
AgreementNew.CreatedByID = ids.userID;
TDC.tblAgreements.InsertOnSubmit(AgreementNew);
我想创建一个与旧对象具有相同值的新对象,但我收到此错误消息;Linq2Sql克隆一个对象C#
无法添加已存在的实体。
注意:我不想删除旧对象。请帮助我我有谷歌它,但找不到任何帮助或解决方案。
我知道这个解决办法,但其如此头疼! – 2015-02-24 07:59:29
@WaqarAhmed你必须这样做,其参考类型,这样的方式将无法正常工作 – 2015-02-24 09:13:22