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

Change your method argument to take below model and add [FromForm], it should work.

public class FileUploadViewModel
{
    public IFormFile File { get; set; }
    public int BrandId { get; set; }
}

public async Task> MediaBrand([FromForm] FileUploadViewModel viewModel)