求助:text类型转化
select * from lab_students where user_ID in (select user_ID from lab_course_course where Cou_class_ID like '" + Request.QueryString["Cou_class_ID"] + "') and Cou_mark is not null因为user_ID 是从0开始(例如:03083105)所以我把user_ID设为了text但这样就会报错,这样的问题怎么解决啊?
