Browse .NET Videos (109)

David Levy joins Data Exposed to recap a burst of recent Microsoft SQL driver and SDK releases, including mssql-python updates with Bulk Copy and Apache Arrow support, plus new versions of SqlClient and JDBC.

Authorised Territory demonstrates how to add a class-based skill to an AI agent built with the .NET Agent Framework, using a locally running LLM via Ollama and building on a previously created starter solution.

Microsoft Developer hosts a Cosmos DB Conf 2026 session where Sergiy Smyrnov demonstrates migrating an AdventureWorks-based ASP.NET/EF Core app from a relational database to Azure Cosmos DB for NoSQL, using GitHub Copilot and Cosmos DB Agent Kit prompts to plan the move and rewrite the data layer.

dotnet hosts João Antunes discussing the transactional outbox pattern for distributed applications, using his OutboxKit toolkit as a concrete example and sharing lessons learned (plus alternatives) for avoiding lost messages and consistency issues.

Authorised Territory demonstrates how to define a skill in code and attach it to an AI agent built with the .NET Agent Framework, using a locally running LLM via Ollama.

dotnet hosts an ASP.NET Community Standup with Chris Martinez and Sander ten Brinke on combining ASP.NET API Versioning with the new ASP.NET Core OpenAPI packages in .NET 10 to generate clean, aligned OpenAPI documents for Minimal APIs and controllers without duplicated configuration.

dotnet hosts a .NET Data Community Standup where Klaus Kirchhoff introduces a lightweight framework aimed at automating Entity Framework (EF) components, with Jiri Cincura also featured.

dotnet hosts an ASP.NET Community Standup where Jean‑Marc Prieur and Kyle Marsh show how AI can simplify Microsoft Entra ID authentication in ASP.NET Core and .NET Aspire apps, including setting up app auth, calling protected APIs, and assigning identities to AI agents with Entra Agent ID.

dotnet hosts a .NET MAUI team livestream where Jakub Florkowski, Shane Neuville, and Gerald Versluis build a MAUI app live using MauiDevFlow, an open-source toolkit that lets AI agents inspect and interact with a running app for debugging, UI inspection, and rapid iteration.

dotnet hosts an On .NET Live session where Wei Lin demonstrates building a first NuGet library using .NET 10 single-file scripting, GitHub, and GitHub Copilot, focused on an open-source Office-to-PDF conversion package.

dotnet hosts a Blazor Community Standup on upcoming .NET 11 improvements to Blazor virtualization, focusing on more flexible Virtualize scenarios like variable-height items and new APIs to control scroll position.

Authorised Territory shows how to configure .NET Aspire 13.2 to use a specific SQL Server Docker image for its SQL Server container, switching from the default SQL Server 2022 image to a SQL Server 2025 image available via Docker Desktop.

Authorised Territory demonstrates how to add a custom AI agent to GitHub Copilot Chat in Visual Studio 2026 (18.5) for a .NET project, using an agent definition markdown file from the awesome-copilot repository.

Authorised Territory demonstrates how to build an MCP server in .NET that returns different supported tools depending on a query parameter, plus a .NET Minimal API client with endpoints to list tools and invoke one of them.

Authorised Territory demonstrates how to show confirmation dialogs and notification messages in the .NET Aspire dashboard by adding a command to a Minimal API resource that calls an API endpoint, which then invokes an Azure Function.

The dotnet team shares in-progress work to integrate Blazor with .NET Aspire, including a new Blazor gateway concept and deeper platform hooks for configuration flow, service discovery, diagnostics, and scaling across Blazor WebAssembly and Blazor Server apps.

Authorised Territory demonstrates how to sort a list of strings numerically (rather than lexicographically) in .NET 10 using C#, focusing on practical comparison logic you can apply to real-world “number-like” strings.

Nick Chapsas introduces discriminated unions (union types) coming in preview for C# 15 and .NET 11, focusing on what the feature enables and the practical caveats developers should be aware of before adopting it.

Visual Studio Code presents a Let it Cook x AspiriFridays episode on using VS Code with .NET Aspire (Project Aspire) to give AI agents visibility into distributed application architecture, aiming to help developers build more observable cloud-native systems.

Nick Chapsas shows what’s new in .NET 11 Preview 3 for .NET scripting, focusing on the new ability to use file references in scripts and what that unlocks for real-world scripting workflows.