DataAnnotations in Mvc 6 and Entityframework 7-beta 4

Could not load type 'System.ComponentModel.DataAnnotations.DatabaseGeneratedOption' from assembly 'EntityFramework' error

I have an ASP.NET application which works fine using EntityFramework 4.3. I have it now use EntityFramework 6.0.2 instead. Now I am getting the error below at a line in the OnModelCreating code....Why am I getting this error? Why is it looking for DatabaseGeneratedOption enum in EntityFramework assembly instead of System.ComponentModel.DataAnnotati...

DataAnnotation Atributes not applied in EF7

When i migrate a database using k ef migration add bla bla. command the data annotation attributes are not reflected to the created database...e.g. iam using the [MaxLength(2)] attribute and am getting a column with data type nvarchar(MAX) created ...Any help please

Table per Type inheritance in Entity Framework 7 beta 4

I'm using Entity Framework 7 Beta 4 and need to map to an existing database....The database uses a Table per Type hierarchy similar to this article (...http://www.asp.net/mvc/overview/getting-started/getting-started-with-ef-using-mvc/implementing-inheritance-with-the-entity-framework-in-an-asp-net-mvc-application...)...Here is a simple example:...p...

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.DependencyInjection; using Microsoft.Data.Entity; using creaservo.com.Models; using Microsoft.Framework.Config...

EF 7 beta 6 : Entities with one to many relationships in EF 7

I have a very simple model:...class Bag { public int Id { get; set; } public ICollection<RandomThing> RandomThings { get; set; } } class RandomThing { public int Id { get; set; } public String Description{ get; set; } } ...My context's ...OnModelCreating... (in ...EF 6...) is something like:...protected override void OnModelCreatin...

EF 7 Beta 8 -> EF7 RC1 - No longer can create migrations

After attempting to change my existing project from beta 8 to RC1 I get the following after running ...dnx ef migrations add Init...System.TypeLoadException: Could not load type 'Microsoft.Data.Entity.Scaffolding.SqliteDesignTimeServices, EntityFramework.Sqlite.Design'. at Microsoft.Data.Entity.Design.Internal.DesignTimeServicesBuilder.ConfigureP...

implement both EntityFramework 6 and EntityFramework Core side-by-side in a n-tier solution

Here is an excerpt from ...Getting Started with ASP.NET Core and Entity Framework 6...:..."The recommended way to use Entity Framework 6 in an ASP.NET Core 1.0 application is to put the EF6 context and model classes in a class library project (.csproj project file) that targets the full framework. Add a reference to the class library from the...

EntityFramework Core 2.0 - Add Migration error "The EntityFramework package is not installed"

I'm getting an error when trying to Add Migration for Entity Framework Core, to a Code First project, here's the details......I have created a new ASP.Net Core web project (Core 2.0 in VS 2017). Its using the Microsoft.AspNetCore.All dependency, shown below:...I am looking to utilise the Entity Framework Core (my understanding was that the All met...

Huge memory Consumption (MVC 5 + EntityFramework 6.2.0 )

I am having some concerns about my project using a lot of memory. I have configured my MVC 5 project with Entity Framework. I also use Autofac. ...I locate my repository classes and service classes (which are in the same project) by doing:...builder.RegisterAssemblyTypes(typeof(PlanRepository).Assembly) .Where(t => t.Name.EndsWith("Repo...

Why can't i use DataAnnotations KeyAttribute for composite keys?

EntityFramework Core restricts using KeyAttribute for defining composite keys. But what is the reason for this limitation? I ...have found a solution... for this without using Fluent api.