Entity Framework Feature Suggestions

Welcome! You can use this site to tell the EF team what features you want to see in future versions of our products.

Note that moving forward our team will be only fixing bugs, implementing small improvements, and accepting community contributions in the EF6 codebase. Larger feature work and innovation will happen in the EF Core codebase.

Please consider other options besides this site!

  • If you have technical questions or need help, try StackOverflow (EF6 and EF Core) or visit our forums.
  • If you want to learn how to use our products, visit our documentation pages: EF6 and EF Core.
  • If you want to report bugs or make contributions, visit our project pages on GitHub: EF6 and EF Core.

How can we improve Entity Framework or Entity Framework Core?

You've used all your votes and won't be able to post a new idea, but you can still search and comment on existing ideas.

There are two ways to get more votes:

  • When an admin closes an idea you've voted on, you'll get your votes back from that idea.
  • You can remove your votes from an open idea you support.
  • To see ideas you have already voted on, select the "My feedback" filter and select "My open ideas".
(thinking…)

Enter your idea and we'll search to see if someone has already suggested it.

If a similar idea already exists, you can support and comment on it.

If it doesn't exist, you can post your idea so others can support it.

Enter your idea and we'll search to see if someone has already suggested it.

  1. Foreign Key naming should use suffix 'Id' (or configurable string)

    When generating a model from a database using foreign keys, the model generator ends up calling the foreign key id field 'blah' and the navigation property 'blah1'. Instead the generator should use 'blahId' (or configurable suffix) for the foreign key numeric and 'blah' for the navigation property to make the accessing functions more obvious to developers

    20 votes
    Vote
    Sign in
    Check!
    (thinking…)
    Reset
    or sign in with
    • facebook
    • google
      Password icon
      I agree to the terms of service
      Signed in as (Sign out)
      You have left! (?) (thinking…)
      1 comment  ·  Flag idea as inappropriate…  ·  Admin →
    • Partial SaveChanges

      Should be able to SaveChanges of certain entities while leaving the other entities in Added etc. mode, this is useful when you want to save data in a page that some other parts of the page contain invalid data that can't be saved.

      20 votes
      Vote
      Sign in
      Check!
      (thinking…)
      Reset
      or sign in with
      • facebook
      • google
        Password icon
        I agree to the terms of service
        Signed in as (Sign out)
        You have left! (?) (thinking…)
        0 comments  ·  runtime  ·  Flag idea as inappropriate…  ·  Admin →
      • Update database without seeding

        It would be great to be able to do an "update-database" without having to execute the seeding commands as well. We are seeding quite a lot of meta data into our system, and it is a waste of time to wait for seeding each time we update/manipulate our model.

        A flag in command prompt like

        update-database -noseeding

        would suffice.

        20 votes
        Vote
        Sign in
        Check!
        (thinking…)
        Reset
        or sign in with
        • facebook
        • google
          Password icon
          I agree to the terms of service
          Signed in as (Sign out)
          You have left! (?) (thinking…)
          0 comments  ·  runtime  ·  Flag idea as inappropriate…  ·  Admin →
        • Updateable Views

          I would like to see update-able views. This is available in Telerik ORM, and I have found it very helpful in situations where I initially assumed a grid would only need to display read only data, but was months later asked to allow editing.

          There are other ways to do this of course, but they require recoding. This would make certain maintenance tasks easy.

          19 votes
          Vote
          Sign in
          Check!
          (thinking…)
          Reset
          or sign in with
          • facebook
          • google
            Password icon
            I agree to the terms of service
            Signed in as (Sign out)
            You have left! (?) (thinking…)
            1 comment  ·  Flag idea as inappropriate…  ·  Admin →
          • 19 votes
            Vote
            Sign in
            Check!
            (thinking…)
            Reset
            or sign in with
            • facebook
            • google
              Password icon
              I agree to the terms of service
              Signed in as (Sign out)
              You have left! (?) (thinking…)
              1 comment  ·  Flag idea as inappropriate…  ·  Admin →
            • 19 votes
              Vote
              Sign in
              Check!
              (thinking…)
              Reset
              or sign in with
              • facebook
              • google
                Password icon
                I agree to the terms of service
                Signed in as (Sign out)
                You have left! (?) (thinking…)
                0 comments  ·  runtime  ·  Flag idea as inappropriate…  ·  Admin →
              • Updating the F# SqlEntityConnection Type Provider for EF 6

                The F# SqlEntityConnection Type Provider is a third way to interact with Entity framework (with the other two being an .edmx file and Code First).
                http://msdn.microsoft.com/en-us/library/hh362322.aspx

                This Type Provider doesn't support the updated low-level API changes that EF 6 requires, as far as I can tell. I'd love to have an updated version that supports the async features of EF 6.

                19 votes
                Vote
                Sign in
                Check!
                (thinking…)
                Reset
                or sign in with
                • facebook
                • google
                  Password icon
                  I agree to the terms of service
                  Signed in as (Sign out)
                  You have left! (?) (thinking…)
                  1 comment  ·  runtime  ·  Flag idea as inappropriate…  ·  Admin →
                • Compiled Code First

                  The current EDMX designer doesn't work well for enterprise scenarios - it becomes incredibly cumbersome as the number of entities grows. For example:
                  * It forces the developer to arrange entities visually - once you get over about 10 entities or complex relationships between them, it becomes difficult to do.
                  * It's difficult to find entities - rather than scan for them alphabetically, I need to scroll around a complex diagram I don't really want.
                  * The wizards get in the way - updating my model continually prompts me to modify my connection strings, I need to manually select the…

                  19 votes
                  Vote
                  Sign in
                  Check!
                  (thinking…)
                  Reset
                  or sign in with
                  • facebook
                  • google
                    Password icon
                    I agree to the terms of service
                    Signed in as (Sign out)
                    You have left! (?) (thinking…)
                    1 comment  ·  tools  ·  Flag idea as inappropriate…  ·  Admin →

                    Updating the title. The part about reverse engineering a database into a Code First model is included into our VS tooling in EF 6.1. I mark that as completed and split the part about having a “compiled” Code First model that loads very fast, but splitting ideas is not supported in UserVoice :)

                  • Be able to configure initial value for identity column

                    Currently when configuring Identity columns we can't declare the initial value. It would be nice to add an option in order to specify the initial value. This is not respected when we reverse engineer an existing database as well

                    19 votes
                    Vote
                    Sign in
                    Check!
                    (thinking…)
                    Reset
                    or sign in with
                    • facebook
                    • google
                      Password icon
                      I agree to the terms of service
                      Signed in as (Sign out)
                      You have left! (?) (thinking…)
                      0 comments  ·  runtime  ·  Flag idea as inappropriate…  ·  Admin →
                    • Customize ModelObjectItemWizard to be able to add new items

                      I want to be able to customize Microsoft.Data.Entity.Design.VisualStudio.ModelWizard.ModelObjectItemWizard
                      So I can add my custom items to Microsoft.Data.Entity.Design.VisualStudio.ModelWizard.Gui.ModelBuilderWizardForm like I show on this updated screenshot
                      http://clip2net.com/clip/m407107/8fb72-entity-framework-wizard-customization2-35kb.png?nocache=1

                      In particular I want to add "ASP.NET Identity 2.0 EF Designer model" which will already contain all the entities required for ASP.NET Identity 2.0 to work.

                      18 votes
                      Vote
                      Sign in
                      Check!
                      (thinking…)
                      Reset
                      or sign in with
                      • facebook
                      • google
                        Password icon
                        I agree to the terms of service
                        Signed in as (Sign out)
                        You have left! (?) (thinking…)
                        0 comments  ·  tools  ·  Flag idea as inappropriate…  ·  Admin →
                      • Map multiple entities to same table

                        I should be able to map multiple models to the same table. For example consider a User table. I may have a model for logging in, changing a password, resetting a password and maintaining a user. I would normally create different domain models for each of these use cases. However, I am not able to map these models to a single table.

                        Here is a link with a workaround by MSFT, but would like to avoid workaround...
                        http://social.msdn.microsoft.com/Forums/en/adodotnetentityframework/thread/0f65caae-8a66-431f-aa02-4b2c68f871e9

                        18 votes
                        Vote
                        Sign in
                        Check!
                        (thinking…)
                        Reset
                        or sign in with
                        • facebook
                        • google
                          Password icon
                          I agree to the terms of service
                          Signed in as (Sign out)
                          You have left! (?) (thinking…)
                          0 comments  ·  Flag idea as inappropriate…  ·  Admin →
                        • Add FILEGROUP Support

                          It should be possible to create tables, indices, etc. on different file groups in order to improve performance.

                          18 votes
                          Vote
                          Sign in
                          Check!
                          (thinking…)
                          Reset
                          or sign in with
                          • facebook
                          • google
                            Password icon
                            I agree to the terms of service
                            Signed in as (Sign out)
                            You have left! (?) (thinking…)
                            0 comments  ·  Flag idea as inappropriate…  ·  Admin →
                          • EdmGen.exe should support generating an edmx file from a connection string

                            EdmGen.exe should support generating an edmx file from a connection string.

                            In .net 3.5, EdmGen2.exe (http://archive.msdn.microsoft.com/EdmGen2) was able to generate an edmx file from a connection string.

                            But for (EF) .net 4.0, we have lost this ability.

                            Thank you.

                            18 votes
                            Vote
                            Sign in
                            Check!
                            (thinking…)
                            Reset
                            or sign in with
                            • facebook
                            • google
                              Password icon
                              I agree to the terms of service
                              Signed in as (Sign out)
                              You have left! (?) (thinking…)
                              1 comment  ·  tools  ·  Flag idea as inappropriate…  ·  Admin →
                            • Support for SQL Server Change Data Capture -- or at least tables with no primary keys

                              Change Data Capture is one of the coolest features in SQL Server 2008+. I know it's not core to tailor things for one database technology, but this feature is completely unsupportable in the current EF because EF doesn't allow tables without PKs (and the tables SQL Server gens for CDC have no PKs). Ideally, some sort of real support would be allowed that would allow for some sort of Entity.CDC or something that would string together the tables that an entity uses ... but that is probably a bridge too far.\

                              17 votes
                              Vote
                              Sign in
                              Check!
                              (thinking…)
                              Reset
                              or sign in with
                              • facebook
                              • google
                                Password icon
                                I agree to the terms of service
                                Signed in as (Sign out)
                                You have left! (?) (thinking…)
                                0 comments  ·  tools  ·  Flag idea as inappropriate…  ·  Admin →
                              • Ability to intercept and cancel changes to properties

                                (Note that the original description of this idea talked about making PropertyChangingEventArgs cancellable. Although this is an interesting request, it is not a change we could implement in EF. In fact, there is probably not way it can be implemented in .NET without defining a new standard interface for change tracking)

                                Rather than declining the idea, I am renaming it to capture the essence that is still potentially applicable to EF: provide a hook that can be used by an application or library to intercept what happens whenever EF detects that a property of a tracked object is being changed…

                                17 votes
                                Vote
                                Sign in
                                Check!
                                (thinking…)
                                Reset
                                or sign in with
                                • facebook
                                • google
                                  Password icon
                                  I agree to the terms of service
                                  Signed in as (Sign out)
                                  You have left! (?) (thinking…)
                                  3 comments  ·  runtime  ·  Flag idea as inappropriate…  ·  Admin →
                                • Support json linq queries

                                  As MS is adding json support to Sql Server 2016 it would be great if EF could support this with linq queries and convert a tree with arrays to nested lists.

                                  17 votes
                                  Vote
                                  Sign in
                                  Check!
                                  (thinking…)
                                  Reset
                                  or sign in with
                                  • facebook
                                  • google
                                    Password icon
                                    I agree to the terms of service
                                    Signed in as (Sign out)
                                    You have left! (?) (thinking…)
                                    1 comment  ·  Flag idea as inappropriate…  ·  Admin →
                                  • Ability to intercept when an association is being changed

                                    There should be an AssociationChanging in System.Data.Objects.DataClasses.RelatedEnd class, so I can validate before items get attached to a relation.

                                    17 votes
                                    Vote
                                    Sign in
                                    Check!
                                    (thinking…)
                                    Reset
                                    or sign in with
                                    • facebook
                                    • google
                                      Password icon
                                      I agree to the terms of service
                                      Signed in as (Sign out)
                                      You have left! (?) (thinking…)
                                      2 comments  ·  runtime  ·  Flag idea as inappropriate…  ·  Admin →
                                    • Remove sysdiagrams from Tables in Update Model From Database

                                      SysDiagrams always appears in the list of table when Upgrading Model from Database. This is just noise and therefore a nuisance.

                                      17 votes
                                      Vote
                                      Sign in
                                      Check!
                                      (thinking…)
                                      Reset
                                      or sign in with
                                      • facebook
                                      • google
                                        Password icon
                                        I agree to the terms of service
                                        Signed in as (Sign out)
                                        You have left! (?) (thinking…)
                                        0 comments  ·  tools  ·  Flag idea as inappropriate…  ·  Admin →
                                      • SqlDependency / query notification

                                        in ADO.NET classic thers an option to get a notification from SQL when data changes in the database, using the SqlDependency class for specific queries. i would like to see this supported in the next EF

                                        17 votes
                                        Vote
                                        Sign in
                                        Check!
                                        (thinking…)
                                        Reset
                                        or sign in with
                                        • facebook
                                        • google
                                          Password icon
                                          I agree to the terms of service
                                          Signed in as (Sign out)
                                          You have left! (?) (thinking…)
                                          0 comments  ·  runtime  ·  Flag idea as inappropriate…  ·  Admin →
                                        • Support concurrency checks in derived types when using TPT inheritance

                                          Remove the limitation to perform concurrency checks on derived types. Now you may only use properties from the base type for concurrency checks.

                                          17 votes
                                          Vote
                                          Sign in
                                          Check!
                                          (thinking…)
                                          Reset
                                          or sign in with
                                          • facebook
                                          • google
                                            Password icon
                                            I agree to the terms of service
                                            Signed in as (Sign out)
                                            You have left! (?) (thinking…)
                                            0 comments  ·  Flag idea as inappropriate…  ·  Admin →
                                          • Don't see your idea?

                                          Entity Framework Feature Suggestions

                                          Feedback and Knowledge Base