1 回答

TA贡献1803条经验 获得超3个赞
您应该更新引用,以便在没有ID时更新ID:
public override async Task<int> SaveChangesAsync(bool acceptAllChangesOnSuccess, CancellationToken cancellationToken = default(CancellationToken))
{
foreach (var entry in ChangeTracker.Entries())
{
bool shouldUpdateReference = false;
foreach (var reference in entry.References)
{
if (reference.TargetEntry != null && reference.TargetEntry.State == EntryState.Modified)
{
shouldUpdateReference = true;
}
}
// I imagine this has to be done outside the foreach
// since you are modifying a reference and that should
// update the References collection
if (shouldUpdateReference)
{
entity.Reference("Owner").CurrentValue = newOwner;
}
}
return await base.SaveChangesAsync(acceptAllChangesOnSuccess, cancellationToken);
}
没有找到匹配的内容?试试慕课网站内搜索吧
- 1 回答
- 0 关注
- 141 浏览
添加回答
举报