>Vertical size of my form is bigger than the screen.
>There is a grid control at the bottom of the form.
>When you click on any part of the grid(not just a row),
>form jumps to its very top.
>Why and how to get rid of that?
>Thank you so much for your feedback.

In the development mode, I noticed - just a minute ago - that deleting spaces from the beginning of a line made the edit window jumb-up. I thought I saw the flash of an intellisense or autocompletion "list" just before it happened.