>I have a grid on a page within a pageframe that uses only a vertical scroll bar. When a cell in the rightmost column receives focus from having tabbed off of the previous column, the grid scrolls horizontally to reveal an empty column to the right (while simultaneously removing the leftmost column from view).
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>I set up a method that calculates what the width of the rightmost column should be when the page in question is activated. However, the aggravating scroll behavior still takes place.
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>Could someone please recommend a sure-fire way to keep this from happening?

Add one extra pixel at the end of the grid. This prevents this from happening.