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Bug that TGrid occasionally changes TDataSet link |
Wed, Jan 16 2019 2:46 PM | Permanent Link |
erickengelke | There appears to be an infrequent and weird bug that when you save/compile/reload/who-knows a form, there is a non-zero chance that TGrid's DataSet entry may change from the correct value to a different dataset on the current form. I've had this happen 4 times in the last 12 months.
My applications have a LOT of forms, and often multiple TDataSets on each form. So it seems to hit this bigger projects more often. I have not been able to replicate it on small projects, but on a project with 40 forms it happens sometimes, and now I'm getting pretty fast at fixing them. Sorry I cannot give a sequence that will demonstrate this phenomenon, but after 4 times of the same symptoms when I know I haven't changed datasets myself, I'm pretty sure it wasn't me. Erick EWB Programming Books and Component Library http://www.erickengelke.com |
Thu, Jan 17 2019 11:58 AM | Permanent Link |
Tim Young [Elevate Software] Elevate Software, Inc. timyoung@elevatesoft.com | Erick,
<< Sorry I cannot give a sequence that will demonstrate this phenomenon, but after 4 times of the same symptoms when I know I haven't changed datasets myself, I'm pretty sure it wasn't me. >> If you reproduce this, please let me know. Unfortunately, there's not much I can do until then. Tim Young Elevate Software www.elevatesoft.com |
Fri, Jan 18 2019 8:48 AM | Permanent Link |
Walter Matte Tactical Business Corporation | Erick
I have found that when I am working on a project, and then I open a single unit from another project just to cut and paste code, if that unit has the same name and datasetname as a unit in the project I am working on, I lose TDatsetName on Grid and other components on the unit in the project with the same name. It got me twice... now I am hopefully more careful. Walter |
Fri, Jan 18 2019 11:45 AM | Permanent Link |
erickengelke | > I have found that when I am working on a project, and then I open a single unit from another project just to cut
> and paste code, if that unit has the same name and datasetname as a unit in the project I am working on, I lose > TDatsetName on Grid and other components on the unit in the project with the same name. > >It got me twice... now I am hopefully more careful. This could be related. I purposefully don't open forms from other projects, but I am switching forms a lot in the same project. What is weird is that it uses a different dataset from the same form, it's not gibberish or empty, but different. Sorry for the fuzzy details Tim, I'm hoping I or someone will find a reproducible sequence or some clues. Thanks Erick EWB Programming Books and Component Library http://www.erickengelke.com |
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