if (m_filePath.PostedFile != null)
{
string nam = m_filePath.PostedFile.FileName;
int i = nam.LastIndexOf(".");
string newext = nam.Substring(i);
DateTime now = DateTime.Now;
string newname = now.DayOfYear.ToString() + m_filePath.PostedFile.ContentLength.ToString();
m_filePath.PostedFile.SaveAs(Server.MapPath("Up" + "/upload" + newname + newext));
}
