An ORM built by Microsoft and is available as part of .Net framework 3.5 and later.
1
vote
2answers
227 views
Why should I use List<T> over IEnumerable<T>?
In my ASP.net MVC4 web application I use IEnumerables, trying to follow the mantra to program to the interface, not the implementation.
Return IEnumerable(Of Student)
vs
Return New List(Of ...
2
votes
2answers
155 views
Is there a better way to model a many-to-many relationship on the same table with Entity Framework?
The context
We're building a web application using Entity Framework 5.0. One of the requirements is that it should be possible for the administrators to link related products so that when someone ...
0
votes
2answers
133 views
Mapping a legacy database to ORM using wrapper classes
I want to use an ORM with a legacy database, but I don't want to expose some of the underlying data types. For example, some of the columns are nullable doubles or floats and I want my domain model to ...
0
votes
2answers
157 views
What is the equivalent of Entity Framework in the world of Oracle shops? [closed]
Within the world of developers/firms specializing in building/deploying solutions built around software built/sold by Oracle (aka "Oracle houses"), what ORM middleware is considered as the "industry ...
2
votes
0answers
109 views
Entity Framework design help
I'm after some advice as to whether I'm on the right track with what I'm doing. I'm developing a WPF app where I need to retrieve a large graph of entities, work on that graph in the UI (display, ...
6
votes
5answers
318 views
Should Repositories return IQueryable?
I have been seeing a lot of projects that have repositories that return instances of IQueryable. This allows additional filters and sorting can be performed on the IQueryable by other code, which ...
3
votes
1answer
142 views
Entity Framework eager loading/reference data
I'm struggling to get my head around how best to eager load entities, and how to assign relationships when creating new entities. I'm using EF5 POCO, by the way.
I'm retreiving a large hierarchy of ...
1
vote
2answers
725 views
ASP.NET MVC 4 with Entity Framework 5 and SimpleMembership integrated into Repository and Unit Of Work pattern
I have a ASP.NET MVC4 project in which I would like to use the SimpleMembership. The application has a Person table that holds relevant information about users in the system.
I would like a link ...
2
votes
1answer
113 views
Is it okay to convert dataset from stored procedure to IEnumerable
So, I am working on a project with a team and we are using Entity Framework. We basically want to use linq to entities, and not use stored procedures. I use quite a bit of lists and IEnumerables and ...
5
votes
1answer
158 views
Entity Framework as a type checking/verification system for database code
When I read pro and con lists of using Entity Framework (or any modern ORM really), I'm surprised that the following point doesn't arise (self quote):
Using strongly-typed domain entities allows ...
0
votes
0answers
84 views
Is it safe to add untracked entities to a DBSet?
I was thinking of ways to duplicate existing entities and possibly alter some of its properties. I have read a couple of articles describing how to achieve them by either using reflection or reading ...
0
votes
1answer
468 views
Layered architecture using Entity Framework with different class libraries
Our business requirements required to create a layered and modular architecture. So I designed an architecture to make it as decoupled and as modular as possible. I will list my layers below
ASP ...
2
votes
2answers
264 views
Is it better to create a stored procedure or entities to get to the data I need?
I just jumped into a new project with a new company using Entity Framework and ASP.NET MVC 4. I am no expert on Entity Framework, but I think I have a decent grasp of how to use it.
From what I can ...
6
votes
4answers
323 views
Is a Unique ID column needed in a many-to-many (junction) table?
Getting a few projects started with EF, but I had some questions about join tables and keys etc. Lets say I have a table of applications and a table of permissions. Applications have many permissions ...
2
votes
2answers
332 views
Different database for Membership and our web data or use just one?
Is better to keep our Membership stuff on the DefaultConnection and create another connection (another database) for our data? Or just one database for all?
If I have a MyAppContext and I want ...
