You can change the height of the grid so last row is displayed fully.

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>I have a grid with a column containing a container, in which there is a check box and a label.
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>When the grid is filled and the last (visual) row is displaying partially. If the user clicks on the checkbox of the partially visible row, the row scrolls up now displaying the next row in it's place and the mouse click is lost. So now the user has to move the mouse upwards and click on the checkbox again to get the click registered.
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>In short the last visual row requires 2 clicks (and user frustration) to get to tick the checkbox.
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>I have tried to explain the problem as best I can but if I have not clarified any points please ask of me. Please advise.