Questions tagged [asp.net-mvc]

The ASP.NET MVC Framework is a Microsoft web application framework that implements the model-view-controller (MVC) pattern.

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How shall I implement a MVC program into presentation, business logic and data access layers?

Here is part of an ASP.NET MVC program, from https://docs.microsoft.com/en-us/aspnet/core/tutorials/first-mvc-app/controller-methods-views?view=aspnetcore-3.1 : A model class Movie: public class ...
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where to put presentation data formatting method

I am trying to display a specially formatted dropdown list as part of a view. I have a controller action which fetches the data for the dropdown, then needs to format it by fetching certain other ...
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216 views

Does Asp.Net Identity worth the overhead?

I'm creating web applications using Asp.Net Core Identity with N-Tier architecture. Lately I've been discovering many properties of this library that I didn't know before as I need to configure the ...
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78 views

Using WebAPI as infrastructure layer in ASP.NET MVC

I'm starting a new asp.net mvc core project and for my infrastructure layer I'd like to use WebAPI as this layer should be usable in other solutions besides this one. I'm not really experienced with ...
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How should I trigger notification generating methods and APIs?

I have .NET Core project, database is MSSQL with EF Core code first approach. I need to create a notification system, users should be notified both in interface and via mail. For this I'm creating ...
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Is it the right pattern for Razor Pages' private methods to return IActionResult to handler?

Is this a good code pattern in ASP.NET Core Razor Pages, for private methods to return IActionResult to the calling handler? // Public handler public IActionResult OnGet() { var result = ...
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Class property re-use vs redundancy

TL;DR - When designing classes for MVC use, is there "best practice" for how classes should be structured to eliminate property duplication and/or redundancy? I'm trying to avoid large (one-size-fits-...
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1answer
158 views

MVC Routing (attribute routing) and project structure

how would i organize my project structure, areas or folders to support logical grouping structure within my project. www.mysite.com/org/{dynamic}/Importer/{controller}/{action} Currently i have two ...
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173 views

Multiple Applications, how to bring them together?

I have 7 different .NET Core applications (solutions). All supporting a different workflow such as customer request, request for change and much more. However, they do share a similar goal (that is to ...
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70 views

Best practice for multi-application communication and events?

Essentially, I have a web application and a console application. The web application allows users to configure what will be processed, which is just a big information processor. From the web UI, a ...
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DDD with web api, how to correctly display error messages that caused by domain to the client?

I asked a question about duplicate validation in domain or application layer. Now, I decided to put all the business rules in the domain layer. I have a value object like this, it has a method for ...
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1answer
242 views

DDD with web api, validation in domain or application layer?

I saw a lot of discussion, but I don't know how to do it in a real world. I understand that validation duplication in the client and server is needed. But how to elegantly validate in server and ...
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429 views

What do I misunderstand about the mediator pattern?

I decided to use Mediator Pattern (with Mediatr) to call my application layer. It's cool and I got how to work with it sometimes, but sometimes I get confused. For example, when we publish a document ...
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128 views

Downloading and appending data from AWS S3 whilst avoiding clashes

I have to upload a TSV file to an S3 bucket, the content is form submission data. Another service will consume and do things with this data as soon as possible. The service would like one large file ...
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4answers
499 views

Is it valid to let view models populate their own lists for dropdowns in mvc?

I've struggled to find any discussion on this. If you have a simple MVC page for updating a User, and you put a dropdown list on it of Country, you need to populate the dropdown list in the viewmodel....
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114 views

Where to store calculated values of an entity

Trying to figure out the best place to store calculated properties related to a base entity class for use through out the application, namely in view models and DTOs. For example, a base entity class ...
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141 views

Building Client Specific Application on Top of Standard Application

I have a standard application and in this case, it is an Accounting ASP Net MVC application. Now, I have a new client that has their own specific requirements like other fields and some custom ...
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711 views

Simple Audit Logging Design

I have a C# MVC application. One of the requirements of the application is to maintain an audit log of everything that happens to a particular 'entity' page. To make the example concrete, lets say ...
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59 views

Authorization & Profiles considerations for ASP.NET MVC Customer Portal

there's an up and running self-serve customer portal built that I'm trying to make a bit better when it comes to displaying proper items for different client types and auto-logging users. Here are a ...
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65 views

Should all my asp.net MVC controllers use Web APIs?

The thing that I don't understand is the prioritization between MVC Controllers and Web APIs. Consider I want to make a website. I can either program to APIs and for the presentational layer, force ...
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Clean Architecture - What is the difference between Use Cases and Core Services?

I'm trying to apply Clean Architecture to a simple ASP.NET MVC Core app by following Microsoft's ASP.NET architecture guidelines and their eShopOnWeb sample project. In the standard Clean ...
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4answers
412 views

How do you manage objects that are shared between back-end services and front-end services/apps?

I have multiple REST-ful APIs that I'm using as my "back-end". I also have multiple web apps (.NET MVC). These web apps make calls to the APIs for data. So, an object being returned by an API will be ...
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1answer
167 views

MVC Controller calling UoW (unit of work) directly instead of going through Service Layer

Currently im injecting my Unit of Work inside the controller. I figured out that in most of the designs, controllers calls the service layer and service calls the repository/DAL layer. Most of the ...
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231 views

Handling Authentication with both Web App and API

Not sure how to handle this. Our current app (.Net MVC) is accessed via companyname.appname.com, authentication is handled via forms (cookie) authentication. Within the app there is a global search ...
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4answers
470 views

Is dependency injection always a best practice?

Recently I started working on a rather large monolithic system. The solution has web, app and api parts and in general just a lot of stuff. It relies heavily on dependency injection and I noticed ...
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1answer
712 views

ASP.NET Core - Is using [FromServices] attribute bad practice?

I have a Controller in ASP Core MVC. I'm trying to trim down the dependency injected services in the constructor so I can start building unit tests more easily. However, I have some services being ...
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331 views

Asp.Net Boilerplate (ABP) Module system - Why?

My question pertains specifically to the module system implemented in the ABP framework and the associated AspNetZero module, as documented in the official AB documentation. I am trying to understand ...
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2answers
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Is there an accepted way to track record metadata, CreatedOn/By etc?

I've worked with a lot of off-the-shelf systems and generally speaking they all, at a database level and above, have metadata such as CreatedBy/On, ModifiedBy/On etc against records/entities to give ...
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1answer
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where to put business constraints

We have a 3-tier architecture: Web, Business, Models using the MVC pattern. Models are Code-First using EF6. Currently we access the dbContext directly in our Controllers to query and save changes. We ...
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118 views

Authenticated ASP.NET Core MVC site consuming web API

I have an ASP.NET Core 2.2 MVC site, that uses Facebook as an identity provider. Users can click the login button, they are redirected to Facebook to enter their credentials, and are then redirected ...
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Any Performance issue if render partial is used within a parent view

Is there any performance implication if we move the codes of view to a partial view and render the partial view from the parent view like the following: @Html.Raw(ProcessContent(Html.Partial("...
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2answers
10k views

How can I integrate Python code with c# code? [closed]

I want to integrate code python (hierarchical clustering algorithm) with code C#. (The idea of ​​the project is to divide similar people and put them into classes using the algorithm. We use language ...
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267 views

Running multiple MVC projects: One site

I am developing a "platform", I have an MVC site that will hold all the main data, as well as our generic API, uses Microsoft authentication to create an account, then our employee MVC will add the ...
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1answer
261 views

Correct approach to pass data to service layer

I'm curious what's considered the (best) correct way to pass data to a service layer in ASP.net Core. Say I have a Person entity that has a relation to a Image (profile picture) entity and another ...
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Is it good idea to set custom-defined getter and setter in c#?

I tried this way to define custom defined property but I wonder how to handle if any of the dependent properties have null value. public class ObtainedMarksDetail { private decimal? ...
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4k views

Should integration tests use database? [closed]

I know that integration tests test parts of project that interaction with each other somehow. And I need to test this interaction. And there is the question: 1)Should these tests use real database ...
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1answer
178 views

Is this a valid site architecture?

We have a legacy site that was written a while back using MVC. It's a valid MVC for the most part except for the Data Access Layer. The site has Models, Views, and Controllers. However, instead of ...
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2answers
121 views

Do “Unused” Variables In A View Model Get Passed To The Client In MVC?

Let's say i've got the following absurd viewmodel in a MVC application. public class Absurd { public string WelcomeMessage {get; set;} public string PlainTextAdminPassword {get; set;} } And this ...
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1answer
294 views

Using Active Directory ObjectSid as Primary Key in SQL Server for Data Access via ASP.NET MVC

I am designing an Intranet employee reward web app using ASP.NET MVC C#/MS SQL Server. This will only be accessed from within the network. Employees and managers will be able to give a reward to ...
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1answer
269 views

Onion Architecture, Project Architecting and Authentication

I am learning ASP.NET MVC & Web API and trying to implement Onion Architecture with Repository Pattern for one of my Test projects as part of my learning. I have developed single MVC Projects ...
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2answers
334 views

Argument for staying on Rails instead of migrating to .net MVC?

I work for a Rails SaaS platform that was recently acquired by a primarily Microsoft shop. They are pushing the issue we need to rewrite the entire application in .NET. It's very clear they know ...
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215 views

Is it better to have a single query that returns all related entities, or separate queries for each case?

Summary When writing methods to query for related entities, is it better to have a single method for all related entities or separate methods for each combination? Full Problem I'm writing ...
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1k views

Unit Test a CRUD Controller MVC

I have looked through answers related to this but they don't seem to solve my problem. I am fairly new unit testing and testing as a whole. I just finished a small web application using ASP.NET Core ...
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303 views

Displaying entity framework calls in Sequence Diagram

I have a controller action which gets all the Plants by location from the database puts it inside a view model and passes it to the view. public ActionResult index() { List<Plant> plants = ...
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1answer
247 views

In an asp.net mvc application, can I use Entity layer as Model?

I am developing an asp.net mvc solution, which contains the three layers: Data Access Layer Business Layer Entity Layer Each layer is a project. I have developed the controllers and views, but no ...
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1answer
201 views

Should I use Adaptor, Facade, Abstract Factory or Factory pattern to refactor God controllers

Our system was initially created around the client's ordering logic which is received by an API. This was allowed by the previous I.T. dept. However over time (after growth) many different clients ...
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2answers
817 views

How do I avoid increased memory consumption by browser and performance degradation when dealing with many records?

In my MVC 5 web application there are many instances in which users will require to view thousands of records within grids, now I managed to get around many performance related issues by utilising the ...
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2answers
253 views

Is it worth implementing Entity Framework when calling a single stored select?

I'm currently building a web application for my enterprise level business internship. This web application will track data from three different sources: a DB2 database, a SQL Dynamic database, and an ...
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3answers
976 views

How to handle fails caused by business rules and return reason to end user?

Let's say I have a asp.net-mvc application and I have to check that object can be deleted before deleting it. public class ItemController : Controller { public ActionResult DeleteItem(int itemId) ...
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2k views

Catching exceptions in service layer without hiding bugs

Let's imagine we have a service CustomerService: public class CustomerService { public Customer GetCustomer(string customerName) { if(string.IsNullOrWhiteSpace(customerName)) ...