Aspnetcore.docs: Post Function Requires [FromBody] Attribute

[nenmyx]

As it is given in the tutorial, the HttpPost "Create" function will not allow you to enter new data.
Given the JSON{ "name":"walk dog", "isComplete":true }, the object that is read in by the controller is

Updating the function signature to public IActionResult Create([FromBody]TodoItem item) allows the request data to be read properly.

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Document Details

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• ID: 583ae3e7-5915-f22b-e54c-6c100cf2a7da
• Version Independent ID: 95f2549e-29f9-e31a-b4d0-432b971643ff
• Content: Create a Web API with ASP.NET Core and Visual Studio for Windows
• Content Source: aspnetcore/tutorials/first-web-api.md
• Product: aspnet-core
• GitHub Login: @Rick-Anderson
• Microsoft Alias: riande

[Rick-Anderson]

@pobartlett I can't reproduce this problem. The sample download works fine.

[Dc9894]

@pobarlett I think the issue is because you may have forgot to anótate the controller class with the [ApiController] attribute.

[scottaddie]

@pobartlett I suspect the suggestion from @Dc9894 will fix the problem. The [FromBody] attribute is only inferred for complex types when the controller is annotated with [ApiController]. [ApiController], of course, requires ASP.NET Core 2.1 or later. For ASP.NET Core 2.0 and below, the [FromBody] attribute is required.