System.NullReferenceException: Object reference not set to an instance of an object.
at _Downloads.downloadFiles(String str) in D:\Websites\ShardaInternationalGurgaon\Sec10a\Downloads.aspx.vb:line 47
at _Downloads.Page_Load(Object sender, EventArgs e) in D:\Websites\ShardaInternationalGurgaon\Sec10a\Downloads.aspx.vb:line 61