![visual studio 2010 - What is the reference for ´System.Data.Entity. Infrastructure´? - Stack Overflow visual studio 2010 - What is the reference for ´System.Data.Entity. Infrastructure´? - Stack Overflow](https://i.stack.imgur.com/P9NzJ.png)
visual studio 2010 - What is the reference for ´System.Data.Entity. Infrastructure´? - Stack Overflow
![The Entity Framework provider type 'System.Data.SQLite.EF6.SQLiteProviderServices, System.Data.SQLite.EF6' registered in the application config file for the ADO.NET provider with invariant name 'System.Data.SQLite.EF6' could not be loade · Issue #832 ... The Entity Framework provider type 'System.Data.SQLite.EF6.SQLiteProviderServices, System.Data.SQLite.EF6' registered in the application config file for the ADO.NET provider with invariant name 'System.Data.SQLite.EF6' could not be loade · Issue #832 ...](https://user-images.githubusercontent.com/35128168/73648524-6c9cd180-4686-11ea-8e66-8ff75350129f.png)
The Entity Framework provider type 'System.Data.SQLite.EF6.SQLiteProviderServices, System.Data.SQLite.EF6' registered in the application config file for the ADO.NET provider with invariant name 'System.Data.SQLite.EF6' could not be loade · Issue #832 ...
![c# - System.Data.Entity.Infrastructure.UnintentionalCodeFirstException was unhandled by user code HResult=-2146233079 - Stack Overflow c# - System.Data.Entity.Infrastructure.UnintentionalCodeFirstException was unhandled by user code HResult=-2146233079 - Stack Overflow](https://i.stack.imgur.com/eGVhH.png)
c# - System.Data.Entity.Infrastructure.UnintentionalCodeFirstException was unhandled by user code HResult=-2146233079 - Stack Overflow
![MVC开发中的常见错误-05-无法将类型“System.Data.Entity.Infrastructure .DbQuery<BBFJ.OA.Model.RoleInfo>”转换为“System.Collections.Generic.List<BBFJ.OA.Model.RoleInfo>” - 逍遥小天狼- MVC开发中的常见错误-05-无法将类型“System.Data.Entity.Infrastructure .DbQuery<BBFJ.OA.Model.RoleInfo>”转换为“System.Collections.Generic.List<BBFJ.OA.Model.RoleInfo>” - 逍遥小天狼-](https://images2015.cnblogs.com/blog/1126880/201704/1126880-20170401155758352-1500614346.png)
MVC开发中的常见错误-05-无法将类型“System.Data.Entity.Infrastructure .DbQuery<BBFJ.OA.Model.RoleInfo>”转换为“System.Collections.Generic.List<BBFJ.OA.Model.RoleInfo>” - 逍遥小天狼-
![Exception: System Data Entity Infrastructure DbUpdateException - .Net Core | MVC | HTML Agility Pack | SQL | Technology Crowds Exception: System Data Entity Infrastructure DbUpdateException - .Net Core | MVC | HTML Agility Pack | SQL | Technology Crowds](https://3.bp.blogspot.com/-YIhBycy2Iyo/VbM_6azFAHI/AAAAAAAABg0/p19xkPB9j0s/s1600/Table-Identity-On.png)
Exception: System Data Entity Infrastructure DbUpdateException - .Net Core | MVC | HTML Agility Pack | SQL | Technology Crowds
![20180509_找不到方法:“Void System.Data.Entity.Infrastructure .DbEntityEntry`1.set_State(System.Data.EntityState)” - 印子- 博客园 20180509_找不到方法:“Void System.Data.Entity.Infrastructure .DbEntityEntry`1.set_State(System.Data.EntityState)” - 印子- 博客园](https://images2018.cnblogs.com/blog/462003/201805/462003-20180509151906067-284383756.png)
20180509_找不到方法:“Void System.Data.Entity.Infrastructure .DbEntityEntry`1.set_State(System.Data.EntityState)” - 印子- 博客园
![c# - Why is Entity Framework 6.1.3 throwing a "Could not load type 'System. Data.Entity.Infrastructure.TableExistenceChecker'" - Stack Overflow c# - Why is Entity Framework 6.1.3 throwing a "Could not load type 'System. Data.Entity.Infrastructure.TableExistenceChecker'" - Stack Overflow](https://i.stack.imgur.com/uR3kH.png)
c# - Why is Entity Framework 6.1.3 throwing a "Could not load type 'System. Data.Entity.Infrastructure.TableExistenceChecker'" - Stack Overflow
![Exception: System Data Entity Infrastructure DbUpdateException - .Net Core | MVC | HTML Agility Pack | SQL | Technology Crowds Exception: System Data Entity Infrastructure DbUpdateException - .Net Core | MVC | HTML Agility Pack | SQL | Technology Crowds](https://2.bp.blogspot.com/-UrAQB7O9XIs/VbM_uSvpu8I/AAAAAAAABgs/p974k4x8CiM/s1600/Table-Identity-off.png)
Exception: System Data Entity Infrastructure DbUpdateException - .Net Core | MVC | HTML Agility Pack | SQL | Technology Crowds
![c# - System.Data.Entity.Infrastructure.UnintentionalCodeFirstException was unhandled by user code HResult=-2146233079 - Stack Overflow c# - System.Data.Entity.Infrastructure.UnintentionalCodeFirstException was unhandled by user code HResult=-2146233079 - Stack Overflow](https://i.stack.imgur.com/VHkPj.png)
c# - System.Data.Entity.Infrastructure.UnintentionalCodeFirstException was unhandled by user code HResult=-2146233079 - Stack Overflow
![c# - Visual Studio 2012 MVC build error: The type or namespace name ' Infrastructure' does not exist in the namespace 'System.Data.Entity' - Stack Overflow c# - Visual Studio 2012 MVC build error: The type or namespace name ' Infrastructure' does not exist in the namespace 'System.Data.Entity' - Stack Overflow](https://i.stack.imgur.com/dVVF8.png)
c# - Visual Studio 2012 MVC build error: The type or namespace name ' Infrastructure' does not exist in the namespace 'System.Data.Entity' - Stack Overflow
![System.Data.Entity.Infrastructure.DbUpdateException: 'An error occurred while updating the entries. See the inner exception for details.' - Hata Mesajları System.Data.Entity.Infrastructure.DbUpdateException: 'An error occurred while updating the entries. See the inner exception for details.' - Hata Mesajları](http://www.hatamesajlari.com/wp-content/uploads/2021/04/ExceptionUnhandled.png)