Entity Framework 6 - Knowledge Base (KB)

In Entity Framework, how do you rollback a transaction?

string[] usersToAdd = new string[] { "asd", "asdert", "gasdff6" }; using (Entities context = new Entities()) { foreach (string user in usersToAdd) { context.AddToUsers(new User { Name = user }); } try { context.SaveChan...

Changes to entity framework entities may be undone.

this might be a trivial question but: Since ADO.NET entity framework automatically tracks changes (in generated entities) and therefore keeps the original values, how can I rollback changes made to the entity objects?...I have a form which allows the user...

Entity Framework rollback and remove bad migration

I'm using EF 6.0 for my project in C# with manual migrations and updates. I have about 5 migrations on the database, but I realised that the last migration was bad and I don't want it. I know that I can rollback to a previous migration, but when I add a n...

Rollback changes made to Database in Entity Framework .NET

I am writing unit test cases for testing a framework. The unit test adds and modifies the data in an existing database. I need to rollback all the changes done to database after a test finishes, i.e. delete the rows added and revert the rows modified....I...

Revert the changes in database using Entity Framework

I am using SQL Server as my back end database and Entity Framework 6 to access it....I want to undo all the changes done to the database by a method. The method makes several calls to 4 different databases and thus 4 different contexts. I am not able to k...

Rollback on Entity Framework 6

I am on a project using Entity Framework 6 for database access on SQL Server 2012....We have a pending discussion in our team regarding the state of the db context after a rollback. It is quiet clear, that the database is unaffected by changes in a transa...

What if I call DbContext.Dispose without calling DbContext.SaveChanges?

I am looking for a way to roll back entity changes. I came across ...this answer... which shows how to set entity state, but I am wondering what happens if I simply dispose of my ...dbContext... instance without calling ...dbContext.SaveChanges()... or m...