单项选择题
A.SqlCommand cmm =new SqlCommand(sql语句,Connection对象);B.……
关于SqlCommand命令对象编写正确的是()
A.SqlCommand cmm =new SqlCommand(sql语句,Connection对象);
B.SqlCommand cmm =new SqlCommand(Connection对象,sql语句);
C.SqlCommand cmm =new SqlCommand(sql语句);
D.SqlCommand cmm =new SqlCommand(Connection对象);