Hi,
I have a question regarding when implementing "undo" within the grid control.
Let say I have two grids 'A' and 'B', in the case when there are variables in grid 'B' that are related to grid 'A', when I delete something in grid 'A' the related variables in grid 'B' will also
be deleted.
The problem now is, when I undo in grid 'A' how do I also undo grid 'B' at the same time?
I've had a look at the debug mode of the undo function, but I don't understand what the undo functionhas done.
since I'm not quite sure what the undo function has done, I'm dont know how to undo grid 'B'.
Best Regards
JJ
Jisha Joy
Syncfusion Team
May 25, 2010 09:08 AM UTC
Hi Hanson,
Essential Grid has flexible undo-redo support that is illustrated in 'Undo-Redo Demo' sample. Run the sample and make changes to the grid. As you make the changes, the two list boxes that are displayed on your left will show the "Redo" and "Undo" buffers. Essential Grid maintains these buffers for you if you choose to enable this support.
This architecture is extensible. You can derive from either of the two abstract classes, Command or GridModelCommand, to customize the types of commands that you need.
See the following browser sample for more details.
..\\Windows\Grid.Windows\Samples\2.0\MS Excel-Style Features\Undo-Redo Demo
Regards,
Jisha
HL
Hanson Liao
May 25, 2010 10:32 AM UTC
Hi Jisha,
My Essential Studio version is 7.1.0.20, and I can't find the sample 'Undo-Redo Demo'.
Is this version do not have this example?
Best Regards
JJ
Jisha Joy
Syncfusion Team
May 26, 2010 09:14 AM UTC
Hi Hanson,
Thank you for your update.
In 7.1.0.20 version the sample is available int he following location.
Windows/Grid.Windows/Samples/2.0/Featured Samples/Undo-Redo Demo
Regards,
Jisha
