private void DeleteButton_Click(object sender, EventArgs e)
{
if (StudentsListBox.CheckedItems.Any())
{
var flag = true;
foreach (var borrow in _borrows.GetBorrowsList())
{
if (_students.ReadStudent(StudentsListBox.CheckedItems[0].ToString()).StudentId == borrow.StudentId && borrow.ReturnDate == null)
{
flag = false;
}
}
if (!flag)
{
MessageBox.Show(@"Student has un-returned books!", @"Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
else
{
var result = MessageBox.Show(@"Are you sure?", @"Confirm delete", MessageBoxButtons.YesNo, MessageBoxIcon.Warning);
if (result == DialogResult.Yes)
{
foreach (var borrow in _borrows.GetBorrowsList())
{
if (_students.ReadStudent(StudentsListBox.CheckedItems[0].ToString()).StudentId ==
borrow.StudentId)
{
_borrows.DeleteBorrow(borrow.BorrowId);
}
}
_students.DeleteStudent(StudentsListBox.CheckedItems[0].ToString());
LoadForm();
LoadInfo();
}
}
}
}
