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Can I have both FromForm and FromBody attributes to action ?
public IActionResult Index([FromBody][FromForm] Person model){ ..... } 
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[FromForm] - Gets values from posted form fields. [FromBody] - Gets values from the request body.
Please note that we are able to send [FromBody] parameter in HTTP GET Request input.
Using [FromBody] When a parameter has [FromBody], Web API uses the Content-Type header to select a formatter. In this example, the content type is "application/json" and the request body is a raw JSON string (not a JSON object).
Model binding allows controller actions to work directly with model types (passed in as method arguments), rather than HTTP requests. Mapping between incoming request data and application models is handled by model binders.
No, it's not possible.
The FromForm attribute is for incoming data from a submitted form sent by the content type application/x-www-form-urlencoded while the FromBody will parse the model the default way, which in most cases are sent by the content type application/json, from the request body.
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