コード例 #1
0
        public static void Initialize(SchoolContext context)
        {
            context.Database.EnsureCreated();

            // Look for any students.
            if (context.Students.Any())
            {
                return;   // DB has been seeded
            }

            var students = new Student[]
            {
                new Student {
                    FirstMidName = "James", LastName = "Smith", EnrollmentDate = DateTime.Parse("2005-09-01")
                },
                new Student {
                    FirstMidName = "Nina", LastName = "Peggy", EnrollmentDate = DateTime.Parse("2002-09-01")
                },
                new Student {
                    FirstMidName = "Arturo", LastName = "Pilata", EnrollmentDate = DateTime.Parse("2003-09-01")
                },
                new Student {
                    FirstMidName = "Norman", LastName = "Barzdukas", EnrollmentDate = DateTime.Parse("2002-09-01")
                },
                new Student {
                    FirstMidName = "Habib", LastName = "Li", EnrollmentDate = DateTime.Parse("2002-09-01")
                },
                new Student {
                    FirstMidName = "Rock", LastName = "Justice", EnrollmentDate = DateTime.Parse("2001-09-01")
                },
                new Student {
                    FirstMidName = "Laura", LastName = "Colbert", EnrollmentDate = DateTime.Parse("2003-09-01")
                },
                new Student {
                    FirstMidName = "Lilo", LastName = "Stitch", EnrollmentDate = DateTime.Parse("2005-09-01")
                }
            };

            foreach (Student s in students)
            {
                context.Students.Add(s);
            }
            context.SaveChanges();

            var courses = new Course[]
            {
                new Course {
                    CourseID = 1050, Title = "Salsa", Credits = 3
                },
                new Course {
                    CourseID = 4022, Title = "Hip Hop", Credits = 3
                },
                new Course {
                    CourseID = 4041, Title = "Ballet", Credits = 3
                },
                new Course {
                    CourseID = 1045, Title = "Walts", Credits = 4
                },
                new Course {
                    CourseID = 3141, Title = "Belly Dancing", Credits = 4
                },
                new Course {
                    CourseID = 2021, Title = "Composition", Credits = 3
                },
                new Course {
                    CourseID = 2042, Title = "Dance History", Credits = 4
                }
            };

            foreach (Course c in courses)
            {
                context.Courses.Add(c);
            }
            context.SaveChanges();

            var enrollments = new Enrollment[]
            {
                new Enrollment {
                    StudentID = 1, CourseID = 1050, Grade = Grade.A
                },
                new Enrollment {
                    StudentID = 1, CourseID = 4022, Grade = Grade.C
                },
                new Enrollment {
                    StudentID = 1, CourseID = 4041, Grade = Grade.B
                },
                new Enrollment {
                    StudentID = 2, CourseID = 1045, Grade = Grade.B
                },
                new Enrollment {
                    StudentID = 2, CourseID = 3141, Grade = Grade.F
                },
                new Enrollment {
                    StudentID = 2, CourseID = 2021, Grade = Grade.F
                },
                new Enrollment {
                    StudentID = 3, CourseID = 1050
                },
                new Enrollment {
                    StudentID = 4, CourseID = 1050
                },
                new Enrollment {
                    StudentID = 4, CourseID = 4022, Grade = Grade.F
                },
                new Enrollment {
                    StudentID = 5, CourseID = 4041, Grade = Grade.C
                },
                new Enrollment {
                    StudentID = 6, CourseID = 1045
                },
                new Enrollment {
                    StudentID = 7, CourseID = 3141, Grade = Grade.A
                },
            };

            foreach (Enrollment e in enrollments)
            {
                context.Enrollments.Add(e);
            }
            context.SaveChanges();
        }