private void button1_Click(object sender, EventArgs e)
{
string courseselected = this.comboBox1.GetItemText(this.comboBox1.SelectedItem);
int courseid = 0;
int lessonid = 0;
List <Course> courselist = duombaze.GetCourse();
List <Lesson> lessonlist = duombaze.Getlesson();
foreach (Course course in courselist)
{
if (courseselected == course.Name)
{
courseid = course.Id;
}
}
foreach (Lesson lesson in lessonlist)
{
if (lesson.Courseid == courseid)
{
lessonid = lesson.Id;
}
}
duombaze.RemoveLesson(lessonid, courseid);
MessageBox.Show("Paskaita sekmingai panaikinta");
this.Close();
}
