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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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
110 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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2answers
412 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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79 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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275 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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109 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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133 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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1answer
255 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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1answer
46 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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1answer
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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132 views

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
212 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
121 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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181 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
423 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
334 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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239 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
86 views

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
29 views

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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87 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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30 views

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
3k 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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99 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
222 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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1answer
89 views

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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3k 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
168 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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117 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
222 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
208 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
291 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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2answers
205 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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0answers
242 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
220 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
191 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
774 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
224 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
789 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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1answer
1k 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)) ...
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2answers
1k views

asp.net web api and mvc architecture for web application

We have a single solution visual studio web application with multiple projects. One of the projects (Services project) has APIs for our App clients (Android/Ios). There's separate project for MVC ...
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2answers
820 views

How can I redirect to an ASP.NET MVC page with extended session?

Scenario We have an application which has a session timeout of 20 minutes. However we have a requirement in which users must be able to access a certain page in the site for 8 hours after the ...
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1answer
171 views

MVC Core Data Access Naming Convention Folder vs Repository

We have Customer transaction table with many foreign key relationships. We only want to see certain columns of the 3 tables joined in a web interface. Eg just Date, PurchaseAmount, ProductName, ...
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43 views

Keeping templates on server - Angular 2+ SPA with ASP.Net WebAPI

We are planning to build a SPA in Angular 2+, which will use ASP.NET as a back-end. Since Angular doesn't really have a good integration to ASP.NET, we decided to create the SPA as a standalone ...
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1answer
2k views

MVC Core Repository Pattern for Multiple Lookup tables

We have Customer transactional table with multiple lookup tables with foreign keys. We want to create dropdown menus using these lookup tables, when CustomerService creates a Customer order ...
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1answer
52 views

Should the ORM create the related objects (ForeignKey objects) when saving the entity?

This question is coming from a frustration when using the Entity Framework and ASP.NET MVC, but I assume it's a general frustration across more frameworks and languages. Lets say we have an object ...
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1answer
383 views

UML class diagram for MVC project that run R project

I'm working on ASP.NET MVC project where controller calling static class that run R scripts from external R project Controller public ActionResult Index() { Rscript.Run("...
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1answer
286 views

Can I use DI with client of Abstract Factory pattern c#

Let's say I have something like this: switch(i) { case 1: new Class1();break; case 2: new Class2();break; } So what's the best practices of doing this if in class where I placed ...
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1answer
409 views

asp.net Core 2 MVC - best way to send 1000s of emails every day

We need to send 1000s (under 10,000) per day for a few years. The data is in a SQL Server database - we have many asp.net MVC 5 and .net CORE 2 MVC sites on a Windows 2012 R2 server on IIS. The ...
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1answer
549 views

Views are not classes how to put them in class diagram in MVC design pattern?

In UML class diagram in MVC software design pattern there are model view controller classes and in ASP.NET MVC all views are cshtml not classes my question is how to put views in class diagram ?