Windows form_Load Exception is not throwing to parent

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C#

Hi,

This is c# windows applicaiton, and it calling a popup from parent form .
And there is a error in the frmPopup_Load, its catching the exception, but not throwing to the frmparnt form

Form parent
=======================================

public frmParent()
        {
            InitializeComponent();
        }

        private void button1_Click(object sender, EventArgs e)
        {
            try
            {
                frmPopup frm = new frmPopup();
                frmPopup.ShowDialog();
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message);
            }
        }

Popup Code
================================

public frmPopup()
        {
            InitializeComponent();
        }

        private void frmPopup_Load(object sender, EventArgs e)
        {
            try
            {
                int i = 0;

                int j = 1 / i;
            }
            catch (Exception ex)
            {
                throw ex;
            }
        }