private void Add_Course_Button(object sender, RoutedEventArgs e)
{
if (CourseNumberTB.Text == "" || courseNameTB.Text == "" ||
MeetingTimeTB.Text == "" || DateOfCourse.SelectedDate == null)
{
MessageBox.Show("Please enter all information");
}
else
{
FileReadWrite file = new FileReadWrite();
int courseNum = Convert.ToInt32(CourseNumberTB.Text);
string courseName = courseNameTB.Text;
string meetingTime = MeetingTimeTB.Text;
DateTime courseDate = (DateTime)DateOfCourse.SelectedDate;
Course course = new Course(courseNum, courseName, meetingTime, courseDate);
student.AddCourse(course);
file.AddCourseToFile(student, course);
ViewCourses viewCourse = new ViewCourses(student);
this.Close();
viewCourse.Show();
}
}