The instance of entity type 'manager' cannot be tracked because another instance with the same key v

时间 2020-06-29

标签 instance entity type manager tracked key 繁體版

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最近在用ASP.NET CORE时遇到一些问题，现记录下：html 出现上述错误，即在更新实体数据时出现的错误post services.AddDbContext<StoreContext>(c =>ui c.UseInMemoryDatabase(Guid.NewGuid().ToString()).UseQueryTrackingBehavior(QueryTrackingBehavior.N

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1. entity cannot be tracked
2. The thumbprint of same asymmetric key is not same in 'SQL Server Connector for Microsoft Azure Key V
3. TypeError: super(type, obj): obj must be an instance or subtype of type
4. Logstash报错：Logstash could not be started because there is already another instance using the configu
5. 泛型错误 The type parameter 'T' cannot be used with the 'as' operator
6. because of an existing model object of the same name
7. No enclosing instance of type ObjectTest is accessible. Must qualify the allocation with an enclosin
8. No enclosing instance of type test is accessible. Must qualify the allocation with an enclosing inst
9. No enclosing instance of type JDStudent is acAcessible. Must qualify the allocation with an enclosin
10. No enclosing instance of type Test_02_1 is accessible. Must qualify the allocation with an enclosing
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1. entity cannot be tracked
2. The thumbprint of same asymmetric key is not same in 'SQL Server Connector for Microsoft Azure Key V
3. TypeError: super(type, obj): obj must be an instance or subtype of type
4. Logstash报错：Logstash could not be started because there is already another instance using the configu
5. 泛型错误 The type parameter 'T' cannot be used with the 'as' operator
6. because of an existing model object of the same name
7. No enclosing instance of type ObjectTest is accessible. Must qualify the allocation with an enclosin
8. No enclosing instance of type test is accessible. Must qualify the allocation with an enclosing inst
9. No enclosing instance of type JDStudent is acAcessible. Must qualify the allocation with an enclosin
10. No enclosing instance of type Test_02_1 is accessible. Must qualify the allocation with an enclosing

>>更多相关文章<<