Learn Azure AI Search with C# — index data, run vector and hybrid queries, and add RAG to your .NET app. Start building intelligent search today. If your application's search box still runs a LIKE '%term%' query against SQL Server, your users are quietly suffering. They type "cheap laptop for uni" and get zero results because your catalogue says "affordable notebook for students." Azure AI Search with C# fixes exactly this problem: it combines classic keyword search, vector embeddings, and semantic reranking into a single managed service that you can drive from .NET with a few dozen lines of code. In this tutorial you'll build a working search index from scratch, run keyword, vector, and hybrid queries, and finish with a Retrieval Augmented Generation (RAG) pattern that grounds an LLM in your own data. This guide targets .NET 9 and the Azure.Search.Documents v11 SDK. Every snippet is runnable. We'll explain why each design choice matter...
Master GitHub Copilot tips for C# developers. Advanced prompts, custom instructions & best practices to code 10x faster in Visual Studio. Start today! If you write C# every day and only use GitHub Copilot for autocomplete, you're leaving most of its value on the table. These GitHub Copilot tips will show you how experienced .NET developers turn Copilot from a fancy IntelliSense into a genuine pair programmer — one that scaffolds services, writes unit tests, refactors legacy code, and explains unfamiliar codebases. In this guide, we'll go beyond the basics and cover advanced techniques for Visual Studio and VS Code that can realistically make you 10x more productive on real-world C# projects. Whether you're a beginner wondering how to get better suggestions, or a senior engineer looking for advanced GitHub Copilot workflows in C#, the core insight is the same: Copilot's output quality is a direct function of the context you give it . Everything below is about ...