Download Image from URL

public System.Drawing.Image DownloadImageFromUrl(string imageUrl)
{
System.Drawing.Image image = null;
try
{
System.Net.HttpWebRequest webRequest = (System.Net.HttpWebRequest)System.Net.HttpWebRequest.Create(imageUrl);
webRequest.AllowWriteStreamBuffering = true;
webRequest.Timeout = 30000;
System.Net.WebResponse webResponse = webRequest.GetResponse();
System.IO.Stream stream = webResponse.GetResponseStream();
image = System.Drawing.Image.FromStream(stream);
webResponse.Close();
}
catch (Exception ex)
{
return null;
}
return image;
}




protected void btnSave_Click(object sender, EventArgs e)
{
System.Drawing.Image image = DownloadImageFromUrl(txtUrl.Text.Trim());
string rootPath = @"C:\DownloadedImageFromUrl";
string fileName = System.IO.Path.Combine(rootPath, "test.gif");
image.Save(fileName);
}