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there is a bug, how to overcome?

bug firebyrd

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#1 Illarion

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Posted 12 July 2017 - 12:53 AM

The top SDBGrid table from AlphaControls 10.27
Average DBGriEh from the EhLib 5.6 Build 5.6.215 package
Lower NextDBGrid6 from Bergsoft Next Suite 6 (VCL), v6.0.65
All tables are configured by default.
FireByrd 2.5 embeded
The component of access to the database is InterBase 6
I also tried other components:
I tried different versions:
Berg Components Suite
Berg NextGrid 5.6
Berg NextGrid 5.10.50
Tried Delphi 7, Delphi XE7
The situation is the same - NextDBGrid behaves not adequately when scrolling with the mouse and moving with the PageDn / PageUP keys.
The database, sample, source - attached.

Attached Files

#2 Boki (Berg)

Boki (Berg)

    Boki (Berg)

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Posted 12 July 2017 - 09:44 PM


I will test it. Can you only tell me again: bug is happening when you either use page up/down or mouse to scroll?
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#3 Illarion

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Posted 13 July 2017 - 12:14 AM

I could not find patterns. Each time can behave differently. Most often displays only 1 row in the table. Although in fact there are many more rows in the table, this can be seen from other DBGRids.
If you press Page Down, PageUp, turning the mouse wheel up / down can either do nothing. Or in 1 line of the table the value will change, as if the DBGrid consisted of 1 line in it the whole table was scrolled.
If you press left or right (move to the cells left / right), the whole table appears, or almost all.
If there are other DBGrid connected to the selected table all together and begin to move in them, then the whole table will appear in NextDBGrid6, and if you move through the table in other DBGrid - everything will be displayed correctly.
If you put focus on NextDBGrid6 and try to navigate - everything becomes very bad. :-(

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