49
votes
Accepted
Why does everyone put controllers in one folder and views in another?
I'd like to say it's cargo cult programming, but there are technical reasons for this structure. Asp.Net MVC took a convention over configuration approach to nearly everything. By default, the Razor ...
- 8,921
32
votes
Accepted
Why would you ever 'await' a method, and then immediately interrogate its return value?
As I understand it, asking for the Task's value in this manner will block code execution until the value from the awaited method is returned, effectively making this a synchronous call.
Not quite.
...
- 109k
25
votes
Why would you ever 'await' a method, and then immediately interrogate its return value?
I really hate that none of the examples show how it’s possible to wait a few lines before awaiting the task. Consider this.
Foo foo = await getFoo();
Bar bar = await getBar();
Console.WriteLine(“Do ...
- 8,921
22
votes
Accepted
Is unit of work pattern really needed with repository pattern
The Entity Framework DbContext is a unit of work, and its DbSet<T> properties are repositories.
That's not to say that you should never roll your own layer on top of them, but you're correct in ...
- 47.5k
21
votes
Accepted
Difference between 3-Tier architecture and MVC (Model, View Controller) in ASP.Net
This is like asking what the difference is between an apple and an apple core. These two architectures aren't replacements for one another. I think a more accurate view is that the 3-tier architecture ...
- 34.6k
18
votes
Accepted
How can I integrate Python code with c# code?
Ok, we have done this.
I would advise you to use a microservice architecture: e.g. your code calls a Python Rest Service which computes the data and returns the result. Or if the operation is long (...
- 1,279
17
votes
A property that can represent both a single date and a date range: How to properly model that?
Use a date range (i.e. two dates) for all shipping estimates.
For a single date, make X and Y equal.
- 199k
14
votes
Accepted
Is dependency injection always a best practice?
Is dependency injection always a best practice?
Yes, passing your dependencies into their consumers is always a best practice. It allows flexibility in managing those dependencies, ease of testing, ...
- 109k
13
votes
Accepted
What is the purpose of domain/business logic in classes when having repositories?
What is the purpose of domain/business logic in classes when having repositories?
This is kind of like asking:
What is the purpose of cars when we have garages?
The reason is that Business ...
- 34.6k
12
votes
Accepted
Are Repositories needed any longer in ASP.net 5 & EF7?
If you're adding methods to a repository like
GetById
GetByName
GetWithIncludesABC
GetWithIncludes123
Then you're better off moving to a Service Layer, and letting the Service Layer use EF ...
- 199k
12
votes
Accepted
Can I store a handful of constant complex objects in an enum-like structure in C#?
You could do that like this:
class Region
{
public string name { get; private set; }
public string id { get; private set; }
public string url { get; private set; }
// private ...
- 3,417
12
votes
Accepted
Is copying a C# class library from one solution to another the only way to "share" that library?
Shortest answer ever : publish reusable library with required dependencies as NuGet package and install it wherever you need. It will help you in versioning as well.
If your class library is .NET ...
- 1,402
11
votes
Accepted
Does Having DI Happen in the Composition Root go against the whole point of Dependency Injection?
Does Having DI Happen in the Composition Root go against the whole point of Dependency Injection?
No. You should create the object graph in the Composition Root.
I think that I understand the reason ...
- 466
11
votes
Is unit of work pattern really needed with repository pattern
The Unit-Of-Work pattern makes sense when you have a complex use case with several objects involved, often objects which map to different master-detail tables. As part of the use case, you want to
...
- 203k
10
votes
Why does everyone put controllers in one folder and views in another?
Whatever the reason, this is poor practise. It is very anti-OO because packages or folders (whatever you want to call them), should have weak inter-dependencies. Classes (or files) inside them should ...
- 332
10
votes
Accepted
ASP.NET Core - Is using [FromServices] attribute bad practice?
This isn't a code smell or bad design at all. In fact, this is precisely why the [FromServices] attribute was created:
Action Injection with FromServices
Sometimes you don't need a service for more ...
- 34.6k
9
votes
Accepted
Never using Models, only ViewModels
Would my Data project be considered the "Model" for my application?
Yes, that's exactly what Model is supposed to be.
Is this a right approach
I believe it is.
or could there be potential ...
- 37k
9
votes
Accepted
Where to put User Interface/Domain Model manipulation logic (transferring data from the view to Domain Model)
Bear in mind that the Model View Controller (MVC) principal has been hijacked and bastardized by the web development world. In a real MVC application the model view and controller are largely ...
- 206
9
votes
Accepted
is "ASP.NET Membership" still a good choice for ASP.NET MVC authentication nowdays?
Yes. Asp.Net Membership is a bit outdated. Asp.Net Identity was introduced a few years ago to help solve some of the pain points with the older system.
It supports third party OAuth through Google (...
- 8,921
9
votes
How Common/Acceptable is it for a .NET developer to abstain from WebForms as a rule?
My observation is that WebForms is on the decline. There is a good reason for that. Having used WebForms extensively in the past, it's difficult to do something outside the box. In addition to the ...
- 4,361
8
votes
Why does everyone put controllers in one folder and views in another?
To answer your 'Why everyone...?' question: Here are some potential reasons, although I'm not entirely sure which combination of them is a real cause, since it is actually a subjective question
To ...
- 271
8
votes
Accepted
Why use Razor Syntax?
More generally, you are asking about the benefits of using a template rather than generating content directly inside your source code.
The answer is that mixing source code and HTML could be a viable ...
- 135k
8
votes
Accepted
How can I move from Web Forms to ASP .NET MVC 5?
You're going to have to embrace ASP.NET MVC in its own right.
There is no server code-behind. There are no drag-and-drop widgets, no plugins, and no leaky page life-cycle. There is no almost-wysiwyg:...
- 199k
8
votes
Accepted
Should integration tests use database?
1) Should these tests use real database data? I mean I'll have to connect to a real database?
If you're testing the integration between your software and the database, then yes you should use the ...
- 133k
8
votes
Is dependency injection always a best practice?
No pattern is always a best practice. Patterns are tools like a hammer or a wheelbarrow: The are useful for particular tasks, and you have to use them correct to get any benefit. If someone says "it ...
- 57.7k
7
votes
Accepted
Who does what in a Single Page Application?
So, I'm more experienced in PHP and Python but my answers should be valid for ASP .NET too, seen that your questions are more about the MVC structure rather than the language / framework itself.
...
- 86
7
votes
Architect in our company is against DTO
It sounds as though your architect isn't against DTOs as much as your architect is against this DTO. They argue that having a DTO that is an Offer with a Date tacked on is a bit of a smell. I don't ...
- 109k
7
votes
Accepted
Mapping Domain models to ViewModel
Keep mapping implementation out of your controllers. Instead, call the thing responsible for mapping in your controller.
public ActionResult FetchSomething()
{
var thingMapper = new ThingMapper();...
- 9,038
7
votes
Accepted
When where and how to use ViewBag
A ViewBag is essentially a Dictionary, except that the syntax is a bit cleaner. Instead of writing
myDict["SomeProperty"]
you can access the dynamic dictionary's elements with first-class dot ...
- 199k
6
votes
Accepted
CRUD operations in DDD
The typical entry point for this in DDD is an Application Service. Application services orchestrate calls to repositories and domain objects. They also know about the current execution state and often ...
- 8,524
Only top scored, non community-wiki answers of a minimum length are eligible