Here you see the code
public void downloadFile(string Url, string filePath)
{
if (File.Exists(filePath))
{
File.Delete(filePath);
}
WebClient myWebClient = new WebClient();
myWebClient.DownloadFile(url, filePath);
}
In the above code ,In place of url=,"13572_BranchInformationReport_2012-05-22.zip",0,"184601","May 22 1:30","/icons/default.gif" and in filepath put the path to save the download file