How to use XML with C# – A beginners guide for basic XML operations in .NET

How can we use XML with C#? Let's start off with what is XML? It is short for eXtensible Markup Language. It is a simple text-based format for representing structured data/information. XML is used in documents, data, configurations, books, transactions, invoices, purchase orders, orders, communication between applications, etc... It is a very commonly used language…

ByChristian Schou3 days ago0Comments

C#

How to Send Emails with ASP.NET Core using SMTP with MailKit

I often see the question "how to send emails with ASP.NET Core" and it is also one thing I often implement in the software applications I make or extend. Emails are used for confirmations at user sign-up, new orders, newsletters, OTP (one-time-password) emails, etc... It's a very common requirement for many applications, which also is…

ByChristian Schou15. April 20220Comments

C#

How to use Azure Blob Storage in an ASP.NET Core Web API to list, upload, download, and delete files

In this article, I will show you how to use Azure Blob Storage with ASP.NET Core. Often when working with web applications, APIs, or basically any other application, we are interacting with files in one way or another. This article is made because I got a task the other day, where I had to share…

ByChristian Schou26. March 20220Comments

Programming

What is a JSON Web Token (JWT) and why use them in conjunction with Web APIs?

So what exactly is a JSON Web Token (JWT)? Almost any Web API out there is secured in some way. I only know a few Web APIs that is not secure and they are offered by The European Union in order for applications to validate data about companies etc... But that is not what is…

ByChristian Schou7. March 20220Comments

C#

How to use FluentValidation in ASP.NET Core (.NET 6)

FluentValidation is a popular .NET library for building strongly-typed validation rules. When making an application that exposes an API to other systems or a front-end to users, you wanna make sure that data entered or parsed to your application is valid. By using a .NET library like FluentValidation you can easily configure validation rules…

ByChristian Schou18. February 20220Comments

C#

How to add Toast Notifications in an ASP.NET Core Web App (.NET 6)

What are toast notifications? I have worked with several web apps and all of them have included lots of functionality where the user interacted with buttons etc... A user asked me if they could get a status message when uploading a file to the server or when the page updated data correctly, with errors, and…

ByChristian Schou2. February 20220Comments

C#

How to implement GraphQL in ASP.Net Core Web API (.NET 6) using HotChocolate

In this tutorial, you will learn how to implement GraphQL in an ASP.NET Core Web API built on the .NET 6 framework. Throughout the tutorial, we will be using a few different third-party libraries - they are shown in the below section. We are also going to take a look at the different GrapQL elements…

ByChristian Schou27. January 20222Comments

C#

How to make ASP.NET Core API Documentation using Swagger and ReDoc (.NET 6)

When you develop a web API it is important that other developers can understand what they have to POST, PUT, DELETE, or will GET when talking with your API. It can be challenging to build good documentation for a developer when they are done coding. Due to Swagger (known as OpenAPI), you can now easily…

ByChristian Schou17. January 20222Comments

C#

How to use API versioning in ASP.NET Core Web API and integrate it with Swagger using .NET 6

What is API versioning? A question I see a lot. I'm mostly working on the backend and have many times exposed an API to clients they could consume to get data about their order, shipments, invoice, purchase data, etc... I'm sure you might have done the same or are about to? Anyway - when doing…

ByChristian Schou11. January 20222Comments

Python

How to scrape prices from competitors e-commerce websites using Python

Running an e-commerce business in today's world can be quite a job. Everyone is trying to beat each other with different tactics in marketing campaigns, prices, customer service, etc... To keep up with your competitors it's important that you know their prices for the same products as yours to stay just below them to attract…

ByChristian Schou7. January 20224Comments