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1 string str_conn1 ="Data Source=localhost;Initial Catalog=DB_Student;User ID=sa;Password=king";
2 DataContext dc4 =new DataContext(str_conn1);
3
4 Table<Course> courses = dc4.GetTable<Course>();
5
6 Console.WriteLine("可选课程:");
7 foreach (var c in courses.Select(s =>new {Cno=s.No,Cname=s.Name }).Take(3))
8 {
9 Console.WriteLine(c.ToString());
10 }
Table<student> students = dc.GetTable<student>();
foreach(var stu int students)
console.writeLine("学号:" + stu.No);
Console.WriteLine("姓名:" + stu.Name);