Update related data with Entity Framework
In the previous tutorial you displayed related data. In this tutorial you’ll update related data. For most relationships, this can be done by updating either foreign key fields or navigation properties. For many-to-many relationships, the Entity Framework doesn’t expose the join table directly, so you add and remove entities to and from the appropriate navigation properties.
In order to add new objects to the Entity Set, you must create an instance of an Entity type and add the object to the object context. Objects attached to the object context are managed by that object context. Now there are three ways to add a new object to the object context.

Entity Framework – Update in C# Using SQL Server
In this tutorial, we have discussed how to implement CRUD Operations Insert Update Delete and Select in Entity Framework Using C# and SQL Server.

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