implement a function to download files from ftp

See more:

ASP.NET

sir i have a to implement a function.
private byte[] DownloadFileFromFTP(string URL, string FileName, string Uid, string Pwd)
{
}

and in my config.xml the credetial are

<host value="ftp.mlearning.sg">
   <username>5011sacpsa</username>
   <password>sacpsa12</password>
   <downloadoption>List</downloadoption>
   <filename>c12022101_5011.zip</filename>
   <filename>c12022102_5011.zip</filename>
 </host>

sir i am unable to implement this method. please help. today is the deadline for this
thankx in advance