private void addToCoursebutton_Click(object sender, EventArgs e)
{
if (!string.IsNullOrWhiteSpace(courseIDbox.Text))
{
Course c = courses.Find(x => (x.GetID().Equals(int.Parse(courseIDbox.Text))));
if (checkBox1.Checked && !string.IsNullOrWhiteSpace(teacherIDbox.Text))
{
Teacher t = teachers.Find(x => (x.GetID().Equals(int.Parse(teacherIDbox.Text))));
if (t == null || c == null)
{
MessageBox.Show("fel");
}
else
{
c.AddTeacher(t);
t.AddCourse(c);
MessageBox.Show("Teacher: " + t.Name + "\nWas added to course: " + c.Name);
}
teacherIDbox.Clear();
}
else if (checkBox1.Checked && string.IsNullOrEmpty(teacherIDbox.Text))
{
MessageBox.Show("Fill teacherID");
}
if (checkBox2.Checked && !string.IsNullOrWhiteSpace(studentIDbox.Text))
{
Student s = students.Find(x => (x.GetID().Equals(int.Parse(studentIDbox.Text))));
if (s == null || c == null)
{
MessageBox.Show("fel");
}
else
{
c.AddStudent(s);
s.AddCourse(c);
MessageBox.Show("Student: " + s.Name + "\nWas added to course: " + c.Name);
}
studentIDbox.Clear();
}
else if (checkBox2.Checked && string.IsNullOrWhiteSpace(studentIDbox.Text))
{
MessageBox.Show("Fill StudentID");
}
else if (c == null)
{
MessageBox.Show("Course ID: " + courseIDbox.Text + " does not exist");
}
}
else
{
MessageBox.Show("You havent done anything");
}
}
