Browse .NET Videos (82)

Microsoft Developer highlights three updates: .NET 11 is ready for serious production validation, Python 3.15 defaults to a native Arm64 runtime on Windows on ARM, and browser automation in Microsoft Foundry is generally available. The video outlines what these changes mean for developers.

Daniel Roth and Shriram Sankaran join the Blazor Community Standup to demo the free, open-source Syncfusion Toolkit for Blazor, showing the components in action and how to use them when building Blazor apps.

Bruno Capuano and Luis Quintanilla explain how .NET’s AI building blocks fit together for real-world apps, focusing on data ingestion, embeddings, and vector search to ground LLM responses in your own documents and business data.

Fokko at Work demos selected GitHub Copilot and Visual Studio Code updates around the 1.142/1.143 timeframe, including comparing model outputs, improvements in the Agents window, and new UI elements like the Session Activity Bar. The video also covers running Copilot models locally on NVIDIA RTX hardware and notes how enterprise policies and pricing plans can affect feature availability.

Daniel Roth hosts a Blazor Community Standup with the Infragistics team to walk through the stable release of the free, open-source Ignite UI component library for Blazor, what components are included, and how to use them in real Blazor apps.

Jon Galloway and the .NET team (Daniel Roth, Gerald Versluis, and Chet Husk) host a release party-style walkthrough of .NET 11 Release Candidate 2, highlighting their favorite features and showing what’s new across the .NET stack, including Blazor and .NET MAUI.

Microsoft Developer highlights updates across .NET Aspire, Azure Virtual Machines, and SQL Server, focusing on what’s new in Aspire 13.6 for distributed app debugging, Azure VM lifecycle guidance changes, and running SQL Server on Azure Local when cloud-only isn’t an option.

Visual Studio Code shares a short video about adding Halloween-themed styling to VS Code, focusing on customizing the editor’s look and feel with themes.

Bruno Capuano and Daniel Roth introduce the Blazor AI Components and show how they enable agentic experiences in .NET apps beyond basic chat, including structured streaming responses, tool invocation, approval gates, and multi-step workflows coordinated through shared state.

Erik Ejlskov Jensen shows how his open-source T-SQL static analysis rules and tooling can help enforce database design standards, including live feedback while writing SQL and using rule enforcement to guide AI-assisted database and EF Core model generation.

Fokko at Work demos what’s new in Visual Studio Code 1.141, focusing on workflow and UI updates plus several GitHub Copilot improvements, including continuing external Copilot sessions, sandboxing in the Copilot agent host, persistent chat progress, and visibility into discovered MCP servers.

Visual Studio Code shows how to use the Thunder Client extension to send API requests and view responses directly inside VS Code, keeping API testing alongside your code while you build and debug your app.

Daniel Roth and Jon Galloway introduce the new Blazor AI Components and show how they can be used to build agent-centric Blazor apps where AI participates in the UI, drives workflows, and takes actions beyond a simple chat experience.

Fokko at Work walks through the key updates in Visual Studio Code 1.140 with a focus on GitHub Copilot changes, including HydraFusion and new session capabilities. The video uses short demos to show how the features work and notes that availability can depend on enterprise policies and licensing.

James Montemagno hosts a VS Code Live release recap with members of the VS Code and GitHub Copilot teams, highlighting recent feature updates and what they mean for day-to-day developer workflows in the editor.

Microsoft Developer shares a weekly developer-news roundup covering .NET memory dumps for diagnosing failures, the pitfalls of migrating time-related data between PostgreSQL and SQL Server, and how AI agents can use stronger isolation plus durable memory with Microsoft Foundry and Azure Blob Storage.

Tommi Gustafsson and Janne Gustafsson join the .NET MAUI Community Standup to explain how they built GnollHack, a cross-platform roguelike, using .NET MAUI to target Android, iOS, and Windows, and to share practical lessons from modernizing a classic NetHack-based codebase for mobile-friendly gameplay.

Visual Studio Code shares five VS Code keyboard shortcuts focused on faster text selection, covering quick ways to select lines, words, matches, and columns while editing code.

dotnet introduces a practical series on building AI-powered apps with .NET and Microsoft Foundry, highlighting new SDK capabilities, hands-on projects, and the latest Foundry features and services aimed at .NET developers.

Visual Studio Code highlights the Debug Visualizer extension for VS Code, showing how it can visualize data structures while debugging so you can watch algorithms evolve as your program runs.

Cameron Tomisser shares Episode 6 of The Upload, covering .NET 11 performance improvements, Azure VM Scale Sets resiliency updates, Microsoft’s multicloud database SDK, critical .NET security updates, and new production-ready capabilities in Microsoft Foundry.

Amanda Silver explains how Microsoft engages with open source, including community-driven documentation and upstream contributions to projects like Kubernetes, Apache, and the Linux kernel, and why that work matters for interoperability and product quality.

Authorised Territory shows how to stop passwords, API keys, and other secrets from being sent to an LLM when building AI agents with the Microsoft Agent Framework in .NET and Ollama, by adding middleware that detects and redacts sensitive values before model calls.

Amanda Silver reflects on Microsoft’s shift toward building developer products in the open, touching on early ASP.NET support for jQuery and the later open-sourcing of TypeScript, Chakra, .NET, and Visual Studio Code.

Bruno Capuano and Justin Yoo walk through updates to Interview Coach, a .NET sample that combines Microsoft Agent Framework with GitHub Copilot SDK to build an agent-powered interview practice app, including MCP-based shared tools and a Blazor UI.

Gwyneth Peña-Siguenza demonstrates agent-first development in Visual Studio Code, focusing on practical workflows for running AI agents, controlling what they can do, understanding where sessions execute, and using built-in debugging views while building an app in agent mode.

Visual Studio Code announces a new “VS Code pet” coding companion that you can trigger from GitHub Copilot Chat in VS Code using the /vscode-pet command, and invites the community to submit name ideas during a one-week window.

Authorised Territory demonstrates how to build domain-specific AI agent evaluators in .NET using Microsoft Agent Framework connected to a local Ollama model, then run automated checks against the agent’s responses to validate both content and output structure.

Jon Galloway, Daniel Roth, Mads Torgersen, Chet Husk, and Drew Noakes host a .NET Unboxed release party focused on .NET 11 Release Candidate 1, highlighting favorite features and what developers should pay attention to as .NET 11 approaches release.

Visual Studio Code highlights how to get a new set of file icons in VS Code quickly, pointing viewers to the Catppuccin icon theme link for a fast editor refresh.

Maddy Montaquila explains how a “Aspire-ified” .NET app can give a coding agent more context and control, including a single command to start containers, processes, and the debugger, plus the ability to manage resources and view logs from one place.

Authorised Territory demonstrates how to build an AI agent with the .NET Microsoft Agent Framework using a local Ollama model, then evaluate the agent locally with built-in checks to confirm response quality and that required tools were actually invoked.

James Montemagno and Matt Soucoup run a beginner-friendly livestream on the GitHub Copilot SDK for .NET, focusing on how to embed Copilot’s agent runtime into your own apps for multi-turn conversations, tool calling, streaming responses, and MCP-based extensibility.

dotnet demonstrates how to stand up an agent “harness” in C# using a single AsHarnessAgent call, then incrementally add tool calling, web search, and planning so a vague request becomes a tracked, step-by-step execution loop.

Visual Studio Code shows how to use the Command Palette to navigate faster in VS Code, including opening recent files, jumping to symbols in the current file, grouping symbols by type, and searching for symbols across the entire workspace.

Jonah Andersson explains how to take AI agents from prototype to production by building MCP servers on Azure Functions, using .NET to expose tools that agents can discover and invoke at runtime. The session uses a DevOps CI/CD scenario where agents detect deployment issues, diagnose failures, and create rollback PRs in Azure DevOps.

Visual Studio Code shares a trailer for “The Story of VS Code,” a documentary-style look at how VS Code evolved from early web editor experiments into a widely used open-source editor and extension ecosystem, and how the team is adapting as AI changes what a code editor can be.

Authorised Territory shows how to use Git worktrees in the Visual Studio 2026 August update to pause half-finished work without stashing, by creating a separate working directory tied to a new branch while keeping current changes intact.

Microsoft Developer shares a quick developer news roundup covering Bring Your Own Model entering preview in Visual Studio, updates to the model router in Microsoft Foundry Models (including region expansion and refreshed model pool), and the announced date for .NET Conf 2026.

Amanda Silver reflects on major technical shifts behind Visual Studio and Visual Studio Code, focusing on VS Code’s open-source architecture and extension ecosystem, and how GitHub Copilot and AI-assisted coding changed what developers expect from an editor and its connected cloud services.