MYSQL --Subquery returns more than 1 row查询结果多于一行

 Subquery returns more than 1 row  表示子查询返回了多行数据

１、今天做ITOO出现了这个问题

  

  

２、MYSQL　代码：　

 string sql = @"select DictionaryName,Id from t_systemdictionary where id in(
select questiontypeid from t_examtemplatedetails where templateid in ( select other1 from t_examdetails where ExamID=any(
select ExamID from t_exammain where CourseID=@CourseID
)))";

３、解决办法：

４、解决后显示的效果：