When you say "multiple page form", I'm assuming you mean you've put a Tab
control on your form.
When you're pasting onto a Tab control, make sure that only the page of
interest is selected, not the entire Tab control. You can tell by looking at
the "handle": the little squares that appear on the selected control. When
the entire Tab control is selected, the squares on on the outside: when only
a page is selected, the squares are on the inside. (You select a specific
page by clicking on the tab for that page)