<form method="post" encType="multipart/form-data" runat="server"><INPUT id="UP_LOAD" style="WIDTH: 219px; HEIGHT: 23px" type="file" size="16" name="UP_LOAD" runat="server">
</form>System.Web.HttpPostedFile UpFile=UP_LOAD.PostedFile ;
FileLength=UpFile.ContentLength ;
byte[] FileData=new byte[FileLength];
System.IO.Stream FileStream=UpFile.InputStream;
FileStream.Read(FileData ,0,FileLength );