txtsDate.Text = clsDate.SelectedDate.ToString("dd MM yyyy");
txteDate.Text = cleDate.SelectedDate.ToString("dd MM yyyy");
or
Code (C#)
txtsDate.Text = clsDate.SelectedDate.ToString("dd MM yyyy", new CultureInfo("en-GB"));
txteDate.Text = cleDate.SelectedDate.ToString("dd MM yyyy", new CultureInfo("en-GB"));