Adding attachment to an SharePoint ListItem while Insertion

SPSecurity.RunWithElevatedPrivileges(delegate()

            {

                SPListItemCollection myColl = SPContext.Current.Web.Lists["List Attachments Test"].Items;

                SPListItem item = myColl.Add();

                item["Title"] = txtTitle.Text;

                item.Update();

                //strItemID=item.ID.ToString();

                SPListItem currentItem = SPContext.Current.Web.Lists["List Attachments Test"].GetItemById(item.ID);

                byte[] contents = null;

                if (fuBrowse.PostedFile != null && fuBrowse.HasFile)

                {

                    using (Stream fileStream = fuBrowse.PostedFile.InputStream)

                    {

                        contents = new byte[fileStream.Length];

                        fileStream.Read(contents, 0, (int)fileStream.Length);

                        fileStream.Close();

                    }

                    SPAttachmentCollection attachments = currentItem.Attachments;

                    string fileName = Path.GetFileName(fuBrowse.PostedFile.FileName);

                    attachments.Add(fileName, contents);

                    currentItem.Update();

                }

            });