private void buttonDelete_Click(object sender, EventArgs e)
{
DialogResult dialogResult = MessageBox.Show("Are you sure you want to delete " + section.SectionName + "? Student list, classes and attendance data of this section will be permanently deleted", "Confirmation", MessageBoxButtons.YesNo);
if (dialogResult == DialogResult.Yes)
{
SectionController scontroller = new SectionController();
SectionTimeController stcontroller = new SectionTimeController();
SectionStudentController sscontroller = new SectionStudentController();
try
{
ClassController ccontroller = new ClassController();
List <ClassModel> classList = ccontroller.GetBySectionId(section.Id);
AttendanceController acontroller = new AttendanceController();
foreach (ClassModel Class in classList)
{
acontroller.DeleteAllByClass(Class.Id);
}
ccontroller.DeleteAllBySection(section.Id);
sscontroller.RemoveAllBySection(section.Id);
stcontroller.RemoveAllBySection(section.Id);
scontroller.Delete(section);
MessageBox.Show("Deleted!");
buttonBack.PerformClick();
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
}