private void LoansOfStudentButton_Click(object sender, RoutedEventArgs e)
{
Students selectedStudent = (Students)StudentListbox.SelectedItem;
WindowShowStudentLoans showStudentLoans = new WindowShowStudentLoans(selectedStudent.Id);
showStudentLoans.ShowDialog();
}
private void ShowLoansButton_Click(object sender, RoutedEventArgs e)
{
WindowShowStudentLoans showStudentLoans = new WindowShowStudentLoans(Convert.ToInt32(ShowIDLabel.Content));
showStudentLoans.ShowDialog();
}
