System.Net.WebException: The remote server returned an error: (404) Not Found.
at System.Net.WebClient.DownloadFile(Uri address, String fileName)
at DownloadHomework.DownloadAttachment(String str) in d:\Websites\ShardaInternationalGurgaon\Sec10a\DownloadHomework.cs:line 25
at DownloadHomework.Page_Load(Object sender, EventArgs e) in d:\Websites\ShardaInternationalGurgaon\Sec10a\DownloadHomework.cs:line 58