Entity Framework 6 - Knowledge Base (KB)

Using entities from Entity Framework as business objects?

I'm using Entity Framework O/R mapper from Microsoft and using entity classes (generated classes that are mapped to DB objects) as a business objects. Is this OK? Please state your cons or pros. What to do in a case of WCF communication between business ...

When to Avoid Using Entity Framework

I have been playing around with the EF to see what it can handle. Also many articles and posts explain the various scenarios in which the EF can be used, however if miss the "con" side somehow. Now my question is, ...in what kind of scenarios should I sta...

Code first architecture with ASP.NET MVC3 and Entity Framework

My previous question... made me think again about layers, repository, dependency injection and architectural stuff like this. ...My architecture now looks like this:... I am using EF code first, so I just made POCO classes, and context. That creates db a...

Best practices for an N-tier ASP.NET MVC3 application (using EF 4.1)

I am looking for a sample ASP.NET MVC3 N-Tier application that demonstrates best practices (uses Domain Driven Design and Entity Framework 4.1 Code first). I found the following. which one do you recommend out of these (or any other one not in this list)?...

Multiple DbContext classes for a single web app. Good or bad?

Is it a good practice to have multiple ...XXX : DbContext... classes for each major section of a web application (considering it's a big one with at least 50 tables in its database)? For example: MembershipContext, BlogContext, StoreContext etc. Or it's m...

Which architecture is better for a medium-sized, high-traffic website?

I'm starting a new project (non-corporative) and I want to know how would be a great architecture nowadays....What I'm planning for now is to use: ...ASP.NET MVC 4.0...SQL Server 2008 or 2012...EF 5.0 under .NET 4.5, with Dapper...Implementation of Reposi...

NOT using repository pattern, use the ORM as is (EF)

I always used Repository pattern but for my latest project I wanted to see if I could perfect the use of it and my implementation of “Unit Of Work”. The more I started digging I started asking myself the question: ..."Do I really need it?"...Now this ...

What is the best practice for multiple "Include"-s in Entity Framework?

Let's say we have four entities in data model: Categories, Books, Authors and BookPages. Also assume Categories-Books, Books-Authors and Books-BookPages relationships are one-to-many. ...If a category entity instance is retrieved from database - including...

ASP.NET MVC Large Project Architecture

This is a question related to how to structure an ASP.NET MVC project for a medium to large application....I thought I understood the concepts of MVC but after looking into architectures for medium and large applications I am confused. (trying to take int...

Should services always return DTOs, or can they also return domain models?

I'm (re)designing large-scale application, we use multi-layer architecture based on DDD....We have MVC with data layer (implementation of repositories), domain layer (definition of domain model and interfaces - repositories, services, unit of work), servi...

Entities VS Domain Models VS View Models

There are hundreds of similar questions on this topic. But I am still confused and I would like to get experts advise on this....We are developing an application using ASP.NET MVC 4 and EF5 and ours is DB first approach....We have Data layer in a separate...

Should Entities in Domain Driven Design and Entity Framework be the same?

I have started using Entity Framework Code First for the first time and am impressed by the way in which our greenfield application is being built around the domain rather than around the relational database tables (which is how I have worked for years). ...

How to make the data access technology (Entity Framework) ignorance from the presentation layer (ASP.NET MVC)?

Premise:...I am exercising Domain-Driven Design and I separate my solution into 4 layers:...Presentation Layer ...An ASP.NET Web API 2 project for a RESTful API web service...An ASP.NET Web MVC5 project for a documentation and admin screens...Application ...