Upload file using WebClient

Question

Stream stream = file.InputStream;

file.SaveAs(physicalPath);

BinaryReader b = new BinaryReader(file.InputStream);

byte[] fileData = b.ReadBytes(file.ContentLength);

var wc = new WebClient();

wc.Headers.Add("Authorization", "Bearer "+ AccessToken);

byte[] response = wc.UploadData(url, "PUT", fileData);

string s = wc.Encoding.GetString(response);

var obj = JObject.Parse(s);

 

 

Above code is not working with Large Files

In web.config i have updated

<httpRuntime maxRequestLength="1048576" />

still not working