protected void btnUpload_Click(object sender, EventArgs e)
 {
     if (FileUpload1.HasFile)
     {
         string fileName = ContentManager.NewAttachmentFileName();
         FileUpload1.SaveAs(fileName);
         ContentManager.AddAttachment(FileUpload1.FileName.Substring(FileUpload1.FileName.LastIndexOf('\\') + 1), fileName, contentId);
         Response.Redirect(string.Format("~/Admin/ContentEdit.aspx?id={0}", contentId));
     }
 }
 protected void btnUpload_Click(object sender, EventArgs e)
 {
     Save();
     if (FileUpload1.HasFile)
     {
         string fileName = ContentManager.NewAttachmentFileName();
         FileUpload1.SaveAs(ContentManager.AttachmentPath + fileName);
         ContentManager.AddAttachment(FileUpload1.FileName.Substring(FileUpload1.FileName.LastIndexOf('\\') + 1), fileName, id);
         Response.Redirect(Request.RawUrl);
     }
 }