【图】Asp备份与恢复SQL Server

<HTML
<HEAD
<TITLE数据库操作</TITLE
<meta http-equiv="Content-Type" content="text/html; charset=gb2312"
</HEAD

<BODY
<form method="post" name=myform
<%if action="restore" then%<INPUT TYPE="hidden" name="action" value="restore"准备恢复数据库。。。
<%elseif action="backup" then%<INPUT TYPE="hidden" name="action" value="backup"准备备份数据库。。。<%else%
选择操作：
<INPUT TYPE="radio" name="action" id="act_backup" value="backup"<label for=act_backup备份</label　
<INPUT TYPE="radio" name="action" id="act_restore" value="restore"<label for=act_restore恢复</label<%end if%
<br数据库名：<INPUT TYPE="text" name="databasename" value="50forum"
<br文件路径：<INPUT TYPE="text" name="bak_file" value="http://blog.im286.com/50forum.bak"(备份或恢复的文件路径)<br
<input type="submit" value="确定"
</form
<%
'SQL Server 数据库的备份与恢复!
'海娃
'http://www.51windows.Net
dim sqlserver,sqlname,sqlpassword,sqlLoginTimeout,databasename,bak_file,act
sqlserver = "localhost" 'sql服务器
sqlname = "sa" '用户名
sqlpassword = "sa" '密码
sqlLoginTimeout = 15 '登陆超时
databasename = trim(request("databasename"))
bak_file = trim(request("bak_file"))
bak_file = Server.MapPath("backup/"&bak_file)
act = lcase(request("action"))

if databasename = "" then
response.write "input database name"
else
if act = "backup" then
  Set srv = Server.CreateObject("SQLDMO.SQLServer")
  srv.LoginTimeout  = sqlLoginTimeout
  srv.Connect sqlserver,sqlname, sqlpassword
  Set bak     = Server.CreateObject("SQLDMO.Backup")
  bak.Database   = databasename
  bak.Devices    = Files
  bak.Files    = bak_file
  bak.Action    = 0
  bak.Initialize   = 1
  'bak.ReplaceDatabase  = True
  bak.SQLBackup srv
  if err.number0 then
   response.write err.number&"<font color=red<br"
   response.write err.description&"</font"
  end if
  Response.write "<font color=green备份成功!</font"
  srv.disconnect
  Set srv = nothing
  Set bak = nothing
elseif act = "restore" then
  '恢复时要在没有使用数据库时进行！
  Set srv=Server.CreateObject("SQLDMO.SQLServer")
  srv.LoginTimeout  = sqlLoginTimeout
  srv.Connect sqlserver,sqlname, sqlpassword
  Set rest    = Server.CreateObject("SQLDMO.Restore")
  rest.Action    = 0 ' full db restore
  rest.Database   = databasename
  rest.Devices   = Files
  rest.Files    = bak_file
  rest.ReplaceDatabase = True 'Force restore over existing database
  if err.number0 then
   response.write err.number&"<font color=red<br&q