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C# – How to disable ModelStateInvalidFilter

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There are two options for disabling ModelStateInvalidFilter: You’d do this when you want to manually perform model validation. I’ll show both options below. Disable ModelStateInvalidFilter globally To disable ModelStateInvalidFilter for *all* actions, set SuppressModelStateInvalidFilter=true in ConfigureApiBehaviorOptions, like this: Disable ModelStateInvalidFilter for specific actions To disable ModelStateInvalidFilter selectively, you can implement an IActionModelConvention attribute that removes … Read more

Logging to the database with ASP.NET Core

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I was reading about logging in ASP.NET when I came across this statement about logging to the database: When logging to SQL Server, don’t do so directly. Instead, add log messages to an in-memory queue and have a background worker dequeue and insert data to SQL Server. Paraphrased from Microsoft – No asynchronous logger methods … Read more

C# – The nameof() operator

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The nameof() operator outputs the name of the class/method/property/type passed into it. Here’s an example: Note: nameof() was added in C# 6. nameof() eliminates duplication The DRY principle – Don’t Repeat Yourself – warns us against having duplication in the code. Whenever information or code is duplicated, it’s possible to change something in one spot … Read more

C# – Default method implementations and constants in interfaces

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You can add default method implementations (and constants) to interfaces (in C# 7+), like this: Note: The Log() method is converting the DateTime to a string with a custom format and including it with the logging message. This outputs the following: Microsoft’s stated purpose for this feature is that it allows you add methods to … Read more