[单选]

You use Microsoft .NET Framework 4 to create a Windows Forms application. You have a dataset as shown in the following exhibit. You plan to add a DataGridView to display the dataset. You need to ensure that the DataGridView meets the following requirements: Shows Order Details for the selected order.  Shows only Order Details for items that have UnitPrice greater than 20.   Sorts Products by ProductName .
Which code segment should you use? （）

You need to ensure that users who enter three successive invalid passwords within 5 minutes are  locked out for 5 minutes.   Which three actions should you perform（） Set the Minimum password age setting to one day.。 Set the Maximum password age setting to one day.。 Set the Account lockout duration setting to 5 minutes.。 Set the Reset account lockout counter after setting to 5 minutes.。 Set the Account lockout threshold setting to 3 invalid logon attempts.。 Set the Enforce password history setting to 3 passwords remembered.。 发动机测功台架工作时应满足哪些基本要求？ 设一个学生关系为S（学生号，姓名），课程关系为C（课程号，课程名），选课关系为X（学生号，课程号，成绩），求出所有选课的学生信息的运算表达式为II学生号（X）与X的自然连接。 现代管理心理学形成于20世纪（）。 30年代。 40年代。 50年代。 60年代。 论述引起猝死的常见疾病有哪些？猝死的诱因是什么？

You use Microsoft .NET Framework 4 to create a Windows Forms application. You have a dataset as shown in the following exhibit. You plan to add a DataGridView to display the dataset. You need to ensure that the DataGridView meets the following requirements: Shows Order Details for the selected order.  Shows only Order Details for items that have UnitPrice greater than 20.   Sorts Products by ProductName .
Which code segment should you use? （）