>Finally I got the answer
>In Advanced tab of Regional and Language Options,
>if you set to Chinese (PRC) the grouping report will goes wrong
>Is this the bug of VFP report ?
I don't know.
Difference in opinions hath cost many millions of lives: for instance, whether flesh be bread, or bread be flesh; whether whistling be a vice or a virtue; whether it be better to kiss a post, or throw it into the fire... (from Gulliver's Travels)