一个用asp备份与恢复SQL Server数据库的例子代码，希望对一些朋友有用。(注意：数据库使用中可能无法恢复)
<HTML>
<HEAD>
<TITLE>SQL Server 数据库的备份与恢复</TITLE>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
</HEAD>
<BODY>
<form method="post" name=myform>
选择操作：<INPUT TYPE="radio" NAME="act" id="act_backup" value="backup"><label for=act_backup>备份</label>
<INPUT TYPE="radio" NAME="act" id="act_restore" value="restore"><label for=act_restore>恢复</label>
<br>数据库名：<INPUT TYPE="text" NAME="databasename" value="<%=request("databasename")%>">
<br>文件路径：<INPUT TYPE="text" NAME="bak_file" value="c:\$1.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 = replace(bak_file,"$1",databasename)
act = lcase(request("act"))
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.SQLBackup srv
if err.number>0 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>"
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.number>0 then
response.write err.number&"<font color=red><br>"
response.write err.description&"</font>"
end if
rest.SQLRestore srv
Response.write "<font color=green>恢复成功!</font>"
else
Response.write "<font color=red>没有选择操作</font>"
end if
end if
%>
</BODY>
</HTML>