VSLive Anaheim 2017: ASP.NET & ASP.NET Core Security

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I spoke at VSLive Anaheim 2017 this week.  As promised, here are my slides and code from the ASP.NET & ASP.NET Core Security talk. Role-Based Security Stinks: How to Implement Better Authorization in ASP.NET & WebAPI In .NET, if your user permissions are simple, you’re in luck.  Access the IPrincipal for the current user, call […]

VSLive Redmond 2017: Unit Testing for Mere Mortals Slides & Code

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I just wrapped up my talk at VSLive Redmond 2017 — “Unit Testing & Test-Driven Development (TDD) for Mere Mortals”.  Thanks to all the attendees for the great questions. As promised, here are my slides and code samples. Unit Testing & Test-Driven Development (TDD) for Mere Mortals Unit Testing and Test-Driven Development (TDD) arguably mean […]

Another workaround for the EF Core FileLoadException / DiagnosticSource problem

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Have you tried doing a “dotnet ef migrations” or “dotnet ef database update” command for Entity Framework Core and gotten this error? System.IO.FileLoadException: Could not load file or assembly ‘System.Diagnostics.DiagnosticSource, Version=, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51’. The located assembly’s manifest definition does not match the assembly reference. (Exception from HRESULT: 0x80131040) File name: ‘System.Diagnostics.DiagnosticSource, Version=, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51’ at […]


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