An ORM built by Microsoft and is available as part of .Net framework 3.5 and later.

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4answers
211 views

Is DDD not appropriate for my website or should I introduce a Query Layer?

I have inherited an ASP.NET website application and the previous developer has used what I believe are some DDD concepts. I am new to DDD and I have to admit I am struggling with the practical side of ...
2
votes
2answers
111 views

Communication/Updates between units of works/entity framework contexts, colliding with user changes

I'm developing a WPF application using Entity Framework for my database communication. The application has a hierarchy of tabs where each tab has a db context. Each tab allows the user to view some ...
1
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2answers
377 views

Repository Pattern: Doctrine2 vs Microsoft Entity Framework?

I have been using Symfony2 with Doctrine2 for some years. I have recently started using Microsoft's Entity Framework with MVC5. From my Symfony2 experience I understand that a repository's job is only ...
0
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2answers
175 views

Bad Practice using Auto Generated Classes for Data Access

I've seen this before but haven't found concrete reasons. When you add Entities to your EF model, EF auto generates classes for these entities. In terms of DataAccess, why is it preferred to not ...
0
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2answers
565 views

How I could update a DB table using a POCO class bound in a DataGridView

I try to explain better using an example: I create the class Product with attibutes like that: private string _ProductCode = ""; [DisplayName("ProductCode")] public String ProductCode { get { ...
1
vote
1answer
427 views

Confused on how to properly employ a Repository Pattern with Service/Business Layer on top

I'm building a ASP.NET Web Api 2 solution for learning purposes, and I've hit a snag. I was wondering if anyone could tell me what exactly it is that I'm missing. My Web Api solution has 4 Layers: ...
2
votes
0answers
487 views

Entity Framework - Loading Related Entities Explicitly

I have been using Entity Framework for a few years. I have flip-flopped between calling out to repositories in my business logic or using lazy loading to retrieve data as I work my way through the ...
1
vote
0answers
71 views

Entity Framework Code First Centralized database deployment

I originally posted this on stack overflow but was told that here is a better place to ask this kinda stuff. I couldn't find any other similar answered question but if there is one please give me a ...
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0answers
131 views

What strategy to follow while matching sql server datatypes in C# Code First approach while using Entity Framework

While matching SQL Server datatypes with C# Code First Approach in Entity Framework, what are specific points that we should keep in mind so that our C# datatype should match exactly our SQL Server ...
1
vote
0answers
72 views

Is it improper to have an application wide source for dropdown binding

The WPF Combobox needs to bind a collection to it's ItemsSource and something to bind the selected item or value to. Until now, I've included both the collection and the selected value properties that ...
1
vote
0answers
266 views

What is the rule on passing around collections? List vs. Ienumerable vs. IQueryable

I do Entity Framework stuff using repository patterns that are passed to the controller to than be called by the client using jquery AJAX.. Is there any basic rules on in what format I should be ...
0
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0answers
42 views

Entity Framework and separating DAL from domain entities

If I have a normalized db, it's unlikely to map 1 to 1 with my domain entities. So I customize my EF entities to fit the domain. But now my EF entities are essentially my domain entities and my DAL is ...
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0answers
46 views

MVC Sites and Entity Framework (using DbContext)

I've been looking at a couple of the MVC tutorials on the ASP.NET website and and have noticed numerous of them make use of Entity Framework (especially the Identity provider stuff). Maybe my ...
0
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0answers
35 views

Entity Framework Lookup Tables

I am coming from working with ADO.net DataSets and feel fairly comfortable with how they work. Mainly, I usually have a DATA table with a large number of REF tables for lookups. In DataSets it was ...
0
votes
0answers
82 views

Row and Field level Security Management through Code First EF, WebApi2

I could not find such question specific to asp.net webapi row level security on SO. I am building an API through .NET Webapi2 with Entity Framework. I am trying to assess various options that are ...
0
votes
0answers
57 views

Proper Architecture for DBContext and Migrations with Multiple Projects

I have multiple projects that will be using the same business objects (customer, order) but the projects operate in different databases within the organization and I would like to understand the ...
0
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0answers
323 views

What's the best way to expose a Model object in a ViewModel?

In a WPF MVVM application, I exposed my model object into my viewModel by creating an instance of Model class (which cause dependency) into ViewModel. Instead of creating separate VM properties, I ...
0
votes
0answers
178 views

How to handle field level Acces Security when using Entity Framework

Scenario: a large existing system (~300 tables, 500 stored procs, 200 views and a code base of several 100k lines) with most security level stuff in stored procedures needs to be refactored (for ...
0
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0answers
69 views

IUserType like feature inEntity Framework

I'm working on a new project, we want to build a new, modern, application working with our legacy data sources, and especially, legacy databases. We want to use an ORM and we want advanced features so ...
0
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0answers
194 views

Entity framework separating entities for product and customer specific implementation

I am designing an application with intention into making it a product line. I would like to extend the functionality across all layers and first struggle is with domain models. For example, core ...