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System.Data.Entity.Core.EntityException:

Satish

hi,

How to solve
System.Data.Entity.Core.EntityException: The navigation property 'Users' on entity of type 'System.Data.Entity.DynamicProxies.Roster_15E7C2C14DF3BFAC9EE5D67288C206BA8B11942E2CC1A906CA6FEAECA114962C' must implement ICollection in order for Entity Framework to be able to track changes in collections.

2 Replies

Know the answer? Post it — somebody with the same question will find it here.

Rajkiran Swain9y ago
https://stackoverflow.com/questions/31996571/savechanges-throws-system-data-entity-core-entityexception
Vivek Kumar9y ago
Have a look into the below links.

https://stackoverflow.com/questions/32760919/convert-system-data-entity-dynamicproxies-to-non-proxy-class-in-c-sharp

https://stackoverflow.com/questions/28466424/how-can-i-solve-this-system-data-entity-dynamicproxies-error

https://stackoverflow.com/questions/7276507/serializable-classes-and-dynamic-proxies-in-ef-how

https://stackoverflow.com/questions/9501471/ef-returning-proxy-class-instead-of-actual-entity