protected void Button2_Click(object sender, EventArgs e)
{
StudentDBContext studentDBContext = new StudentDBContext();
StudentCourse studentCourseToRemove = studentDBContext.StudentCourses
.FirstOrDefault(x => x.StudentID == 2 && x.CourseID == 3);
studentDBContext.StudentCourses.Remove(studentCourseToRemove);
studentDBContext.SaveChanges();
}
protected void Button1_Click(object sender, EventArgs e)
{
StudentDBContext studentDBContext = new StudentDBContext();
studentDBContext.StudentCourses.Add(new StudentCourse
{
StudentID = 1, CourseID = 4, EnrolledDate = DateTime.Now
});
studentDBContext.SaveChanges();
}
protected void Page_Load(object sender, EventArgs e)
{
StudentDBContext studentDBContext = new StudentDBContext();
studentDBContext.Database.CommandTimeout = 540;
GridView1.DataSource = (from student in studentDBContext.Students
from studentCourse in student.StudentCourses
select new
{
student.StudentName,
studentCourse.Course.CourseName,
studentCourse.EnrolledDate
}).ToList();
GridView1.DataBind();
}
