Dive into .NET’s latest patterns with real-world examples of EF Core 9’s deep JSON Integration capabilities, securing ASP.NET APIs, Azure SQL enhancements, and cross-platform MAUI app development.
Your Daily Dose of .NET Insights, Tools, and Trends – Issue #189
Rise and shine—it’s the start of another exciting week in the world of .NET! Today’s issue is packed with essential insights on JSON integration in EF Core 9, API security best practices for your ASP.NET APIs, and advanced strategies in event-driven architecture. Whether you’re exploring Azure SQL Database enhancements or building sleek cross-platform experiences through MAUI app development, each article is a turbo boost for your .NET engine. So fire up your IDE and get ready to dive into modern .NET patterns that keep you ahead of the curve!
With EF Core 9 in .NET 9, developers can now natively map deeply nested JSON structures—including arrays and owned types—into PostgreSQL JSONB columns using ToJson() and query them seamlessly with LINQ. This update revolutionizes how C# handles dynamic data models by blending relational and semi-structured JSON data in a performant, index-friendly way, ideal for flexible schemas like e-commerce product attributes or complex configuration blobs.
How to cook a stateful workflow in .NET? Durable Task Framework, DTF, is your answer.
Curious about the tradeoffs between gRPC and REST in ASP.NET Core? This article dives into the performance, tooling, and use-case differences between these two API communication models in .NET 8/9. Whether you’re scaling microservices with gRPC streaming and Protocol Buffers or building browser-friendly RESTful APIs with JSON, you’ll learn when to choose gRPC for efficiency and when to stick with REST for simplicity, including real-world .NET code examples and architecture guidance.
Azure AI Services Security Using Service Principal
Learn how to securely access Azure AI Services in enterprise applications by integrating Service Principal authentication, Azure Key Vault, and Python SDKs. This step-by-step guide demonstrates best practices for securing cognitive service keys, managing environment variables with .env files, and authenticating programmatically using Azure Identity and Text Analytics SDKs. Ideal for developers working with Azure AI, NLP APIs, and .NET or Python environments, this approach ensures robust, scalable security without embedding sensitive keys in code.
20 High-Impact Ways to Turbocharge .NET API Performance
Explore how C# 14 and .NET 9 are transforming modern healthcare application development with features like Ahead-Of-Time (AOT) compilation, MAUI cross-platform UIs, and ML.NET integration. This curated article highlights real-world use cases — from building secure Electronic Health Record (EHR) systems to deploying AI-powered diagnostic tools — while ensuring HIPAA and GDPR compliance through robust encryption and identity management. Ideal for developers creating healthcare software in .NET, this piece showcases how performance, security, and AI converge to power next-gen digital health solutions.
Announcing PostSharp 2025.1
https://blog.postsharp.net/postsharp-2025-1
PostSharp 2025.1 is here with major licensing, pricing, and support model updates, aligning with the open-source shift introduced in Metalama 2025.1. This release consolidates tools like PostSharp Logging and MVVM into streamlined packages and introduces a new Enterprise support tier, along with plans to release PostSharp source code to commercial clients. Whether you’re using PostSharp Essentials or managing enterprise-scale projects, these changes mark a significant step in the evolution of C# meta-programming tools and .NET productivity frameworks.
History of C#: versions, .NET, Unity, Blazor, and MAUI
Explore the rich evolution of C# from COOL to C# 13, uncovering key milestones like the introduction of LINQ, async/await, record types, and game-changing frameworks such as Unity, Blazor, and .NET MAUI. This detailed timeline traces C#’s transformation across .NET Framework, .NET Core, and modern .NET 9, showcasing how it empowered cross-platform development, async programming, static code analysis, and web/mobile innovation — a must-read for developers invested in the future of the .NET ecosystem.
What is .NET Garbage Collection Why It’s Essential for Next-Generation .NET Application
Garbage Collection (GC) is the unsung hero of .NET performance — especially in cloud-native and microservices architectures. In this deep… Continue reading on ASP DOTNET »
Vector Support Public Preview in Azure SQL Database & Managed Instance | Data Exposed
You can also use this GitHub Repo full of samples: https://github.com/Azure-Samples/azure-sql-db-vector-search. To learn everything about Native Vector Support in SQL, take a look at the official docu…
Using C# with Azure Blob Storage: Practical Examples with the Azure SDK for .NET
Learn how to use C# with Azure Blob Storage using the Azure SDK for .NET to build scalable, secure, and cloud-native file storage solutions. This hands-on guide walks you through uploading, downloading, listing, and deleting blobs, plus generating SAS tokens for secure access — all using asynchronous programming in .NET. Ideal for developers integrating object storage in cloud applications, this tutorial ensures you’re production-ready with best practices for identity management, environment-based configuration, and storage account access.
Mastering Event-Driven Architecture with C# and .NET
Discover how to implement Event-Driven Architecture (EDA) in C# and .NET to build scalable, decoupled, and real-time applications using Azure Service Bus, MassTransit, and native .NET events. This guide covers core EDA concepts—event producers, consumers, and event buses—alongside practical C# examples for triggering and handling domain events in microservices. Whether you’re working with message brokers, asynchronous processing, or CQRS patterns, this article helps .NET developers harness the full power of event-driven design.
Is C# Still Worth Learning In 2025? The Evolution Of C# And Its Role In Modern Development
Wondering if C# is still worth learning in 2025? Backed by Microsoft and supercharged with .NET 8, Blazor, and MAUI, C# continues to dominate in enterprise app development, cross-platform solutions, and game programming with Unity. With features like native AOT, primary constructors, and tight integration with Azure and WebAssembly, C# 12 proves it’s not just relevant—it’s thriving. Whether you’re targeting cloud services, desktop apps, or high-performance backends, C# offers the productivity, performance, and modern syntax needed for success in today’s full-stack development landscape.
Explore the future of .NET development with insights from .NET Conference 2025 by C# Corner – Day 2, where developers at every level engage in hands-on sessions, technical deep-dives, and live community discussions. From .NET 8 advancements to Blazor, MAUI, and cloud-native development, this event delivers practical knowledge and real-world strategies to elevate your .NET skills. Perfect for both beginners and seasoned developers, it’s a must-attend opportunity to stay ahead in the evolving .NET ecosystem and connect with a global network of C# professionals.
Unlock the true potential of C# reflection with these four practical, real-world use cases designed to help .NET developers build more dynamic and extensible applications. From runtime method invocation and flexible model mapping to dynamic CSV generation and plugin loading, this guide dives deep into how System.Reflection empowers your code to inspect and interact with types at runtime. Learn how to leverage reflection efficiently in .NET applications, avoid performance pitfalls, and understand when to prefer precompiled alternatives — making this a must-read for developers mastering runtime metaprogramming in C#.
.NET Performance Tricks Every Dev Should Know (2025 Edition)
Learn how to securely integrate Azure Key Vault into your ASP.NET Core Web API project using .NET 9 and the Azure SDK, enabling robust secret management without hardcoding sensitive values. This step-by-step guide walks through app registration in Microsoft Entra ID, configuring client secrets, assigning access policies, and retrieving secrets in production-ready C# APIs. Perfect for developers looking to implement secure, scalable, and cloud-native configuration in their ASP.NET projects using Azure Key Vault and dependency injection.
.NET 10’s Killer Features: 5 Upgrades You’ll Love Implementing
Learn how to build a secure SQL injection testing form using ASP.NET Web Forms and C#, complete with parameterized queries, input sanitization, and a built-in blacklist filter to detect malicious inputs. This hands-on tutorial demonstrates how to prevent SQL injection attacks in .NET by integrating ADO.NET with SqlHelper, logging suspicious activities, and implementing secure login forms that safeguard your database against common injection patterns. Perfect for developers aiming to strengthen their ASP.NET web application security in 2025 and beyond.
Master advanced database programming in C# with high-performance patterns using Entity Framework Core, ADO.NET, and Dapper. This guide explores practical strategies such as compiled queries, table-valued parameters (TVPs), context pooling, and multi-result set handling—essential for building scalable, efficient, and secure .NET applications. Whether you’re fine-tuning APIs or architecting data-heavy services, these C# database tricks are crucial for backend optimization and production-ready development.
Getting Started with JWT Authentication in .NET 8 APIs: A Beginner’s Guide
Kickstart your cross-platform app development journey with this step-by-step guide to building your first native app using .NET MAUI and Visual Studio 2022. Learn how to create a shared C# codebase that runs seamlessly on Android, iOS, macOS, and Windows, harnessing the power of XAML UI design and .NET’s latest multi-platform capabilities. Whether you’re a beginner or an experienced .NET developer, this .NET MAUI tutorial simplifies your setup and teaches essential patterns to get your first app running in minutes.
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