set conn=server.createobject("adodb.connection")
conn.open "driver={microsoft access driver (*.mdb)};dbq=" & server.mappath("check/center_master.mdb")
''''''''''''''数据库连接
set rs=server.createobject("adodb.recordset")
sql="select * from admin where a_name like '"&a_name&"'"''''''SQL语句的字符串
rs.open sql,conn,1,1''''''''''''''执行sql语句,并返回记录集