C#, .NET, Blazor und praktische Entwicklung von Anwendungen und Diensten.
Introduction Onion Architecture is an architectural style that puts the domain model at the center of the application. Everything else — APIs, databases, frameworks, external services, logging, messaging — lives in outer layers and depends inward. The idea was popularized by Jeffrey Palermo. In his original article, Palermo describes Onion Architecture as a way to…
Introduction Clean Architecture is not a framework and not just a folder structure. It is mainly an architectural rule: Dependencies point inward. The business logic should not depend on whether it is called from a REST API, a database, a message queue, a CLI tool, or a test project. In this article, we will build…
Introduction In today’s full-stack landscape, pairing a modern React frontend with a robust .NET backend is a powerful combo. With .NET 9 pushing performance and developer experience even further, it’s the perfect time to explore how to stitch these technologies together into a clean, scalable application. 🧱 Project Overview We’ll build a simple app that…
Introduction In this tutorial, we’ll build a full-stack flight booking application using Angular for the frontend and .NET 9 for the backend. We’ll focus on clean async data flow, integrate a SQL database, and deploy the entire solution to Azure. 🧰 Prerequisites 🧱 Step 1: Angular Client Setup Generate the Angular project and install Angular…
Introduction R has long been a dominant language in the field of statistical computing and data analysis, praised for its expressive syntax, expansive library ecosystem, and deep statistical roots. Meanwhile, .NET 9 and 10 have brought powerful updates to the .NET ecosystem, including improved support for data processing, ML, and numerical computing. This post walks…
Introduction Why Realm with .NET 9 & Blazor? Realm is a modern, fast, mobile-first object database from MongoDB. It integrates seamlessly with C#, supports reactive data binding, offline sync, and is much simpler than SQLite when dealing with complex models or syncing data. Paired with .NET 9 and Blazor (WebAssembly or Server), you get: 🧩 Sample Use…
Introduction With .NET 9 bringing further refinements to .NET MAUI, the cross-platform space is more competitive than ever. Choosing between MAUI, Flutter, and React Native can be tough—each has unique strengths. Let’s take a deep look, with practical examples, and see where they shine. 🧱 What is .NET MAUI? .NET MAUI (Multi-platform App UI) is…
Introduction In our last two posts, we compared F# and C# side-by-side in both theory and implementation. Today, let’s explore a practical use case that’s increasingly common in modern systems: using F# for business logic and C# for infrastructure, especially in a microservice environment. This hybrid approach allows teams to get the best of both…
Introduction In our previous post, we explored the strengths and weaknesses of F# in the .NET 9 ecosystem and compared its capabilities with those of C#. Now, let’s go a step further and see the differences in practice. This post showcases side-by-side code comparisons for common backend tasks in F# and C#, helping you understand…
Introduction Functional programming continues to grow in relevance as modern software systems require more safety, composability, and concurrency. In the .NET ecosystem, F# stands out as the go-to functional-first language. With the release of .NET 9, F# continues to mature, albeit with a slower evolution pace compared to C#. This blog post explores the pros…
Introduction OpenText is a leading enterprise information management (EIM) platform used across industries to manage content, automate business processes, and ensure regulatory compliance. Whether it’s managing scanned documents, automating document workflows, or enforcing compliance with document retention policies, OpenText plays a vital role. In this blog post, we’ll explore the most common OpenText use cases…
Introduction Modern cloud-native applications demand scalability, resilience, and performance. Distributed architectures enable systems to meet those demands. But with great distribution comes great complexity. In this post, we’ll explore synchronous and asynchronous patterns in distributed systems and finish with caching patterns that help improve efficiency. 🧭 1. Synchronous Communication Patterns Synchronous communication happens when a…
Introduction Controlling test and measurement equipment programmatically is vital in modern labs and industrial automation. With the arrival of .NET 9, developers now benefit from improved performance, streamlined async programming, and better support for hardware integration. In this post, we’ll build robust drivers and control logic for signal generators, oscilloscopes, and PAN/TILT camera units using…
Microsoft Dynamics 365 CRM is a powerful platform for customer relationship management, but it becomes even more powerful when extended with custom apps. In this blog post, we’ll walk through how to create central CRM use cases in a backend system with .NET 9, connect securely to CRM, and expose functionality through a Blazor frontend….
Introduction In modern .NET applications, handling long-running database operations efficiently is crucial. One powerful tool to improve application responsiveness and resource management is the CancellationToken. This mechanism allows developers to cancel database queries and operations mid-execution, preventing unnecessary workload and enhancing performance. In this blog post, we will explore how to use CancellationToken effectively in…
Mocking is an essential practice in unit testing, enabling developers to isolate and test components independently by simulating dependencies. The .NET ecosystem offers several powerful mocking frameworks, but two of the most popular are Moq and NSubstitute. In this post, we’ll dive deep into these frameworks, explore their strengths and weaknesses, and compare them with…
Dependency Injection (DI) is a key design principle that enhances modularity and testability by decoupling class dependencies. While third-party DI frameworks like Autofac offer extensive features, the DI container built into .NET Core (and later versions) provides a simple, performant, and tightly integrated solution. In this blog post, we’ll create a sample airline booking application…
Dependency Injection (DI) is a design pattern that allows us to achieve Inversion of Control (IoC) by injecting dependencies into a class rather than instantiating them within the class itself. Autofac is one of the most popular DI frameworks for .NET, offering robust and flexible dependency management. In this blog post, we’ll explore how to…
In this blog post, we’ll walk through the process of creating an airline booking application using .NET 9 and Dotnet Aspire. We’ll cover the setup and development in both Visual Studio Code and Visual Studio 2022. By the end, you’ll have a comprehensive understanding of how to build a robust application with these tools. Table…
Microsoft’s recent release of .NET 9 introduces a suite of new features, optimizations, and language improvements designed to enhance the development experience. As an evolution from .NET 8, this update aims to refine runtime performance, streamline cross-platform compatibility, and provide new capabilities for C# developers. In this article, we’ll dive deep into the notable advancements…
Introduction C# developers often rely on LINQ (Language Integrated Query) and Lambda expressions to work with collections and other data structures efficiently. These tools provide a functional programming style that allows you to write concise, readable, and expressive code for operations like filtering, sorting, and transforming data. Let’s explore what LINQ and Lambda expressions are,…
In this article we would like to deepen our focus on application development using blazor. We already covered Blazor in a previous article. This one continues our series on dotnet development with blazor. Blazor is a powerful UI framework for building client-side applications using C#. With Blazor, you can create highly interactive web applications that…
Introduction In the dynamic world of .NET C# development, maintaining high code quality is essential. Enter NDepend, a powerful static analysis tool designed to help developers ensure their code is robust, maintainable, and efficient. This blog post will explore how NDepend can be integrated into everyday .NET C# development, highlighting its pros and cons. We’ll…
In today’s fast-paced software development landscape, building scalable, maintainable, and resilient applications is more critical than ever. One architectural style that has gained immense popularity is the microservices pattern. This blog post aims to provide a comprehensive understanding of microservices, illustrating key concepts with example code in .NET 8 and C#. What Are Microservices? Microservices…
Introduction to RESTful Services RESTful services are a cornerstone of modern web development, providing a scalable and efficient way to build web APIs. REST, or Representational State Transfer, is an architectural style that uses HTTP requests to access and manipulate data. It relies on stateless communication and predefined operations, making it both simple and powerful….
Dependency Injection (DI) is a design pattern used to implement Inversion of Control (IoC) between classes and their dependencies. It helps in creating loosely coupled, testable, and maintainable applications. In this blog post, we will delve into the concept of DI, its benefits, and how to implement it in .NET 8 using C# with numerous…
To demonstrate how language models like ChatGPT work using .NET 8 and C#, we’ll simulate a simplified version of a language model. We’ll implement a basic neural network and tokenizer to process text and generate responses. This won’t be as sophisticated as GPT-3 or ChatGPT, but it will illustrate the fundamental concepts behind such models….
Asynchronous programming in C# allows you to write code that doesn’t block the main thread, enhancing the responsiveness of your applications. The keywords async and await make it easier to work with asynchronous code by providing a more intuitive and readable way to handle tasks that run asynchronously. In this blog post, we’ll dive into…
Creating your first application with .NET Aspire can be an exciting journey into the world of cloud-native, distributed applications. .NET Aspire is designed to streamline the development of such applications, providing a set of tools and patterns that help you build and run your services efficiently. Getting Started with .NET Aspire Before diving into code,…
In the ever-evolving landscape of web development, Blazor has emerged as a compelling technology stack, offering developers the ability to build interactive web applications using C# instead of JavaScript. In this blog post, we’ll dive into the process of creating a small application using Blazor, explore the code snippets, and examine the benefits of choosing…
In the realm of software development, the choice of architecture patterns can greatly influence the maintainability, scalability, and testability of an application. When it comes to desktop applications built using Windows Presentation Foundation (WPF), the Model-View-ViewModel (MVVM) pattern has emerged as a popular choice due to its ability to separate concerns effectively. However, to truly…
Introduction: In the fast-paced world of software development, choosing the right tools and programming languages is critical for success. Microsoft’s .NET family of tools and programming languages, such as C#, offers an extensive array of benefits, ranging from flexibility and scalability to open-source functionalities. With support for cutting-edge technologies and cross-platform compatibility, .NET empowers developers…
The world of web services is constantly evolving, and Functional First programming languages like F# are gaining popularity in the world of web development. In this blog post, we’ll guide you through creating a RESTful web service in F# using Visual Studio 2022 Community Edition. We’ll also develop an F# client that calls this service…
The development of web applications and web services has seen significant growth in recent years, providing an excellent means to share data and functionality over the internet. Rust has emerged as a popular choice for building secure and high-performance web services during this time. In this blog post, we will explore how to create a…
Introduction Kotlin, known for its conciseness and compatibility with Java, has gained popularity for developing web services and applications. In this blog post, we will explore how to create a simple RESTful web service using Kotlin and JetBrains tools. We’ll also provide a sample client code to demonstrate how to call the web service. Prerequisites…
Scott Hunter just recently wrote an in depth article about the next upcoming .NET 6 release. In this he also mentioned that .NET MAUI (.NET Multi-platform App UI) will not be GA alongside the general .NET 6 release. Here are all the details of his post: Update on .NET Multi-platform App UI (.NET MAUI) –…
And it’s full of new features! And in 64 bit… See the full announcement here: Visual Studio 2022 | Visual Studio Blog (microsoft.com) Views: 8
For .NET 5 the gRPC framework will be the central framework when it comes to communication implementations. The main page for it can be found here: https://grpc.io/ Recently Microsoft published an article showing their tremendous committment regarding this open source framework: Views: 3