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Grids showing filtered data
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To
24/10/1997 00:44:31
Jon Ziegler
Mannesmann Dematic Corp.
Solon, Ohio, United States
General information
Forum:
Visual FoxPro
Category:
Troubleshooting
Miscellaneous
Thread ID:
00056258
Message ID:
00056920
Views:
30
>>>Is there an easy way to speed up a grid which displays a filtered table? It is extremely slow, no matter how fast the computer is.
>>Jon,
>>
>>Be sure the filter is fully optimizable
>>
>>Better still use a parameterized view to populate the grid.
>
>The grid works at a tolerable speed... until the first record in the filtered set is reached. At this point, if the user scrolls up using the scroll bar or press the up arrow - anything to try to move before the first record - the computer will just hang for about 20 seconds or so. It seems that just the first record is problematic.
>
>I will check the filters again, just to make sure they can be optimized.
>
>The parameterized view might be a possibility, too, although there would be a lot of parameters in this particular instance.
>
>BTW, I'm doing this in VFP 3.0b if that makes a difference.

The July '97 FoxPro Advisor article "Faster, Better Grids" is worth reading.
Ed B
Edgar L. Bolton, B.S. B.B.A.
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