IFormFile always return null in asp.net core 2.1

Question

Api method is looks like below

    [HttpPost]
    public async Task> MediaBrand(IFormFile file, int brandId)
         


        

Answer 1

In my case it works as follows in net core

Controller:

[HttpPost]
public IActionResult ReadFormFile([FromForm]IFormFile miCsv)
{


}

Request body: Use as key the same name as the parameter

Request Header: Use as Content-Type: multipart/form-data; boundary=xxxxxxxxxxx the boundary can be any value