/// <summary>
/// Confirmation button click event handler. Removes or adds the course
/// from/to the student's courses. Redirects user to previous page afterwards.
/// </summary>
/// <param name="sender">sender</param>
/// <param name="e">event args</param>
protected void ConfirmButton_Click(object sender, EventArgs e)
{
using (TablesDataContext db = new TablesDataContext())
{
if (action.Equals("add"))
{
StudentCourse sc = new StudentCourse();
sc.CourseID = courseID;
sc.StudentID = (int)Session["StudentID"];
db.StudentCourses.InsertOnSubmit(sc);
SubmitChanges(db);
}
else if (action.Equals("remove"))
{
var course = from sc in db.StudentCourses
where (sc.CourseID.Equals(courseID) &&
sc.StudentID == (int)Session["StudentID"])
select sc;
db.StudentCourses.DeleteOnSubmit(course.FirstOrDefault());
SubmitChanges(db);
}
else
{
Response.Redirect("default.aspx");
}
Session["Action"] = null;
Session["CourseID"] = null;
Response.Redirect("courses.aspx");
}
}
/// <summary>
/// Confirmation button click event handler. Removes or adds the course
/// from/to the student's courses. Redirects user to previous page afterwards.
/// </summary>
/// <param name="sender">sender</param>
/// <param name="e">event args</param>
protected void ConfirmButton_Click(object sender, EventArgs e)
{
using (TablesDataContext db = new TablesDataContext())
{
if (action.Equals("add"))
{
StudentCourse sc = new StudentCourse();
sc.CourseID = courseID;
sc.StudentID = (int)Session["StudentID"];
db.StudentCourses.InsertOnSubmit(sc);
SubmitChanges(db);
}
else if (action.Equals("remove"))
{
var course = from sc in db.StudentCourses
where (sc.CourseID.Equals(courseID)
&& sc.StudentID == (int)Session["StudentID"])
select sc;
db.StudentCourses.DeleteOnSubmit(course.FirstOrDefault());
SubmitChanges(db);
}
else
{
Response.Redirect("default.aspx");
}
Session["Action"] = null;
Session["CourseID"] = null;
Response.Redirect("courses.aspx");
}
}
private void detach_StudentCourses(StudentCourse entity)
{
this.SendPropertyChanging();
entity.Student = null;
}
private void attach_StudentCourses(StudentCourse entity)
{
this.SendPropertyChanging();
entity.Student = this;
}
partial void DeleteStudentCourse(StudentCourse instance);
partial void UpdateStudentCourse(StudentCourse instance);
partial void InsertStudentCourse(StudentCourse instance);
private void detach_StudentCourses(StudentCourse entity)
{
this.SendPropertyChanging();
entity.Student = null;
}
private void attach_StudentCourses(StudentCourse entity)
{
this.SendPropertyChanging();
entity.Student = this;
}
partial void DeleteStudentCourse(StudentCourse instance);
partial void UpdateStudentCourse(StudentCourse instance);
partial void InsertStudentCourse(StudentCourse instance);
