Entity Framework Core Tutorial - Knowledge Base (KB)
3972 results for:
EF7 Beta 4 : AddEntityFramework dont accept argument (Configuration)
I am going through this example: ...http://stephenwalther.com/archive/2015/01/17/asp-net-5-and-angularjs-part-4-using-entity-framework-7...and i am struggling with this code part:...using Microsoft.AspNet.Builder; using Microsoft.Framework.DependencyInjec...
asked by Stefan Wuthrich - Altafino
db.database.ExecuteSQLCommand equivalent in EF 7
Whats the equivalent of ...db.Database.ExecuteSqlCommand(Sql.ToString()); ...in Entity Framework 7? I saw .FromSQL() in beta 4, but haven't seen anything to the above.
asked by NicoJuicy
Unable to use data annotations
So here we are trying to get a handle on EF7 ahead of the game and I'm running into what I can only call madness....In EF6 I use annotations quite a bit and I am trying to carry that over into EF7 which according to the UnicornStore project this is totall...
asked by Marqueone
Entity Framework 7 group by
I'm trying to run the following code but when I check the SQL profiler it looks like it runs a full select on the table and then does the grouping after it returns all results from the database. Any help is appreciated. ... var result = _dbContext.LogEve...
asked by RickJames
How to get primary key value with Entity Framework Core
We are currently using the method below which depends upon IObjectContextAdapter in an abstract Repository. From what I'm reading, it appears that anything related to ObjectContext is being chopped out of Entity Framework Core. The method below is the o...
asked by cResults
Cannot run migration on Entity Framework 7 beta4 in class library package
I am unable to execute migration command in a class library package. My dnvm version is (from global.json): ..."sdk": { "version": "1.0.0-beta5-12021" } ...I'm importing this in my project JSON...."dependencies": { "EntityFramework.Commands...
asked by jonas
EF7 One to One relationships
I'm currently working on getting a handle on the new EF7 and I am running into an odd behaviour when dealing with one to one relationships. ...I have the following models...public class Material { [Key] [Required] [Column(TypeName = "bigint")]...
asked by Marqueone
Entity Framework 7 Migration Scaffolding in Class Library with Configuration
Trying to add migrations to an EF7 Model that lives in an ASP.NET 5 class library. When running ...dnx . ef migration add mymigration... fails with different results depending on which project I run it on. ...If I run it in the folder of the main project,...
asked by CuddleBunny
EF7 Identity not loading User extended properties
I have an extended IdentityUser class which contains a reference to another entity on my DB, but whenever I try to get the User with the UserManager, the referenced entity always comes empty:...My implementation of the User class...public class Usuario : ...
asked by edua_glz
How to cope with "No data stores are configured"?
I am currently playing with beta4 of EF7 using the blank ASP.NET web project template. ...After having kicked off the existing migration, resulting in the tables being created in the localdb, the following occurs:...Strangely, when I clean up the migratio...
asked by Carl in 't Veld
DataAnnotations in Mvc 6 and Entityframework 7-beta 4
How to use Dataannotation attributes in mvc 6 with entityframework 7 beta4?...I am not able to use dataannotation attributes such as required, Key,StringLength,MaxLength etc in data model for entityframework code first migration....I added stringLength(45...
asked by Archana
How to use EF7 from VSCode in Mac?
I'm new to C# and I'm trying to connect to a DB preferably PostgreSQL (or do I must use MS SQL?). How do I do that in VSCode and Mac (using dnx CLI)?
asked by Tingan Ho
Linq Join when using EF7
I have the following linq statement:...( from apiKey in context.Set<ApiKey>() join application in context.Set<Application>() on apiKey.User equals application.User join paymentGateway in context.Set<PaymentGateway>(...
asked by Jake Rote
Override Default Identity Table Names
I would like to rename the default identity table names:...AspNetRoles...AspNetUserClaims ...AspNetUserLogins ...AspNetUserRoles...AspNetUsers...I understand how to do this using EF6:... protected override void OnModelCreating(System.Data.Entity.DbModelBu...
asked by Reafidy
How to use EF Core (EF7) with Mysql server?
I am developing asp.net 5 (now called ASP.NET Core) on linux. But I cannot connect between EF7 (now called EF Core) and Mysql server. Please tell me any solution that you knew....Thanks.
asked by Thanh Truong
Update Database after Model Changes - Entity Framework 7
I have created an app using the lastest ASP.NET5 MVC 6 Entity Framework 7 and setup migrations using ...dnx . ef migration add Initial dnx . ef migration apply ...This works but when I make a change to the model the database is not updated. I would lik...
asked by Reafidy
EF7 beta5: Foreign Key returns null value
I have created an API using ASP.NET5 and Entity Framework 7.0.0-beta 5. ...I have the Model, DbContext and the Repository created, and when I try to retrieve data from my database I get all the data, except the foreign key data....The foreign key value is...
asked by unairoldan
EF7 beta5: Error trying to insert child entity
I have created an API using ASP.NET5 and Entity Framework 7.0.0-beta 5....I have the Model, DbContext and the Repository created as is described ...here..., and when I try to insert data with a child entity my app throw an exception: ..."Cannot insert the...
asked by unairoldan
Manually Editing an EF7 Migration Class & Snapshot
The EF7 ...migration add... command (to date, beta5) compares the model classes defined in the ...DbContext... against the current model snapshot, creates a new migration class, and updates the model snapshot....I need to modify the migration to make it g...
asked by ulty4life
How to Inject Dependency of ApplicationDbContext in Repository MVC6
I'm using Asp.Net MVC 6 beta4 with Repository Pattern....In the my Startup.cs I have someting like this:...services.AddEntityFramework() .AddSqlServer() .AddDbContext<ApplicationDbContext>(options => ...
asked by Renatto Machado
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