Download Files from web using web client Asp.net

Download File Synchronously

using System.Net;

WebClient webClient = new WebClient();
webClient.DownloadFile("http://webxperts.com/myfile.pdf", @"c:\myfile.pdf");

Download File Asynchronously

You can  download file without blocking the main thread use asynchronous method DownloadFileA­sync. You can also set event handlers to show progress and to detect that the file is downloaded.

 

private void btnDownloadFiles_Click(object sender, EventArgs e)
{
  WebClient webClient = new WebClient();
  webClient.DownloadFileCompleted += new AsyncCompletedEventHandler(Completed);
  webClient.DownloadProgressChanged += new DownloadProgressChangedEventHandler(ProgressChanged);
  webClient.DownloadFileAsync(new Uri("http://webxperts.com/myfile.pdf"), @"c:\myfile.pdf");
}

private void ProgressChanged(object sender, DownloadProgressChangedEventArgs e)
{
  progressBar.Value = e.ProgressPercentage;
}

private void Completed(object sender, AsyncCompletedEventArgs e)
{
  Response.Write("Download completed!");
}