login.asp<body><form action="loginsave.asp" method="post" name="f1">用户登陆用户名<input name="username" type="text" id="username" size="20" />密 码<input type="password" name="password" size="20" /><input type="submit" name="submit" id="submit" value="提交" /></form></body>loginsave.asp<%@LANGUAGE="VBSCRIPT" CODEPAGE="936"%><% set conn=server.CreateObject("adodb.connection")conn.open "driver={microsoft access driver (*.mdb)};dbq=" &server.MapPath("../date/wanju.mdb")%><% dim username,passwordusername=trim(request("username"))password=trim(request("password"))set rs=server.CreateObject("adodb.recordset")sql="select * from [admin] where username="&username&" and password="&password&""rs.open sql,conn,1,1 response.Redirect("main.asp")%>它提示sql="select * from [admin] where username="&username&" and password="&password&""错误