若要使用 SqlConnection 对象来访问本机的 SQL Server2000 数据库,假设登录名 sa 的口令为空,以下哪个连接字符串是错误的 【 】
A.
SqlConnection con=new SqlConnection("data source=127.0.0.1;initial catalog=northwind; user id=sa; password=");
B.
con=new SqlConnection("initial catalog=northwind;integrated security=sspi");
C.
SqlConnection con=news SqlConnection("datasource=localhost; integrated security=sspi;" initialcatalog=northwind);
D.
SqlConnection con=new SqlConnection("provider=sqloledb;data source=127.0.0.1;initial catalog=northwind;integrated security=sspi");