How can retrieve string formData js in c#

Question

I have to retrieve the value of \"idPerson\" in my web api in .net. I already retrieve the file \"UploadedImage\". But I can\'t retrieve the value of \"idPerson\".

S

Answer 1

Request.Form["KEY"] worked in my MVC controller.

Answer 2

Html:

<input id="image-file" type="file" onchange="SavePhoto(this)"/>

JavaScript:

<script type="text/javascript">

function SavePhoto()
{
     var photo = document.getElementById("image-file").files[0];  // file from input
     var req = new XMLHttpRequest();
     var formData = new FormData();

    formData.append("photo", photo );
    req.open("POST", '/upload/image2/');
    req.send(formData);       
}
</script>

C# Controller:

    [HttpPost]
    public void Image2()
    {
        HttpPostedFileBase img2 = Request.Files["photo"];
        string path = @"D:\Server\Image\Newred\" + img2.FileName;
        img2.SaveAs(path);
    }

Answer 3

Assuming your are sending typical Ajax POST request, you can retrieve each field from HttpContext.Current.Request.Form collection.

Just find your key in collection like HttpContext.Current.Request.Form["KEY"]

TBH it is hard to say how to retrieve any value when you did not provide the way of sending data.