Allow only integers in TextBoxes

Question

I\'m having a problem with checking textboxes and making sure there\'s only integers in them.

So far I\'m able to confirm that there\'s text in the textboxes, but checki

Answer 1

If you don't want to permit ANYTHING except numbers into the editbox, hook into keyboard events, check for characters that aren't digits and cancel them out.

When you sort out what events are needed on one textbox, just reuse same event on others, since you don't have to copy events around.