Determine version of Entity Framework I am using

Question

I believe there are two versions 1 and 2  And version 2 is referred to as Entity Framework 4 0   How can I tell what version is being used in an application    This is in my web config does this mean I am using version 2    lt add assembly  System Data Entity  Version 4 0 0 0  Culture neutral  PublicKeyToken b77a5c561934e089    gt

User · Answer

If you open the references folder and locate system data entity  click the item  then check the runtime version number in the Properties explorer  you will see the sub version as well  Mine for instance shows v4 0 30319 with the Version property showing 4 0 0 0

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If you go to references  click on the Entity Framework  view properties It will tell you the version number

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Another way to get the EF version you are using is to open the Package Manager Console  PMC  in Visual Studio and type Get-Package at the prompt   The first line with be for EntityFramework and list the version the project has installed   PM  Get-Package  Id                             Version              Description Release Notes                                                                                                                                                                                           --                             -------              -------------------------                                                                                                                                                                                           EntityFramework                5 0 0                Entity Framework is Microsoft s recommended data access technology for new applications                                                                                                                             jQuery                         1 7 1 1              jQuery is a new kind of JavaScript Library                                                enter code here   It displays much more and you may have to scroll back up to find the EF line  but this is the easiest way I know of to find out

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In Solution Explorer Under Project  Click on Dependencies- NuGet- Microsoft NetCore All-  Here list of all Microsoft  NetCore pakcages will appear  Search for Microsoft EntityFrameworkCore 2 0 3  in bracket version can be seen Like this   After finding package

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For  NET Core  this is how I ll know the version of EntityFramework that I m using  Let s assume that the name of my project is DemoApi  I have the following at my disposal   I ll open the DemoApi csproj file and take a look at the package reference  and there I ll get to see the version of EntityFramework that I m using  Open up Command Prompt  Powershell or Terminal as the case maybe  change the directory to DemoApi and then enter this command   dotnet list DemoApi csproj package

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if you are using EF core this command below could help   dotnet ef --version

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can check it in packages config file    lt  xml version  1 0  encoding  utf-8   gt   lt packages gt   lt package id  EntityFramework  version  6 0 2  targetFramework  net40-Client    gt   lt  packages gt

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There are two versions  1 and 4  EFv4 is part of  net 4 0  and EFv1 is part of  net 3 5 SP1   Yes  the config setting above points to EFv4    net 4 0   EDIT If you open the references folder and locate system data entity  click the item  then check the runtime version number in the Properties explorer  you will see the sub version as well  Mine for instance shows runtime version v4 0 30319 with the Version property showing 4 0 0 0  The EntityFramework dll can be viewed in this fashion also  Only the Version will be 4 1 0 0 and the Runtime version will be v4 0 30319 which specifies it is a  NET 4 component  Alternatively  you can open the file location as listed in the Path property and right-click the component in question  choose properties  then choose the details tab and view the product version

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internal static string GetEntityFrameworkVersion                 var version               var assemblies   System AppDomain CurrentDomain GetAssemblies   Select x   gt  x FullName  ToList            foreach var asm in assemblies                        var fragments   asm Split new char                      StringSplitOptions RemoveEmptyEntries  Select x  gt  x Trim    ToList                if string Compare fragments 0   EntityFramework  true   0                                var subfragments   fragments 1  Split new char           StringSplitOptions RemoveEmptyEntries                   version  subfragments 1                   break                                  return version

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To answer the first part of your question  Microsoft published their Entity Framework version history here

[entity-framework] Determine version of Entity Framework I am using?

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