Uploading Large Files With WebClient

This product is retired as of September 2020 See PDFTon WebView

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Often it is desirable to pre-load PDF files to the Reader Plus database and have them ready for viewing before a user attempts to load them. This is easily done with the System.Net.WebClient class and ReadPlus REST calls.

string fileName = "your.pdf";
MyWebclient rpclient = new MyWebclient();
rpclient.Timeout = 180000;
string pdfData = Convert.ToBase64String(File.ReadAllBytes(file));
var resultString = rpclient.UploadString($"http://localhost:62625/api/readerplus/uploadDocument?sIsMasterDocument=1&sEditMode=1&ExistingDocumentID=&DefaultOutputName={fileName}&UserPassword=", pdfData);
dynamic result = JsonConvert.DeserializeObject(resultString);

The WebClient has a default time limit of 100 seconds. Particularly large documents may not complete uploading in that amount of time. You need a way to edit the WebRequest timeout, giving the upload time to finish. The WebClient class does not allow you to modify the default time limit, to do this you need a custom class that inherits from WebClient and overrides the GetWebRequest function.

namespace MyWebClientNamespace
{
    class MyWebclient : WebClient
    {
        // The WebRequest timeout in milliseconds.
        public int Timeout = 100;
       
         protected override WebRequest GetWebRequest(Uri uri)
        {
            WebRequest w = base.GetWebRequest(uri);
            w.Timeout = 20 * 60 * 1000; // Set your timeout value
            return w;
        }
    }
}

Now you can set the timeout for each REST call if needed.