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Author Topic: Project not load TrfDataSetComponent  (Read 176 times)

pawelborek2

  • Newbie
  • Posts: 1
Project not load TrfDataSetComponent
« on: October 08, 2024, 08:13:09 am »
Hello, i try to make update in very old project. During a open a project i got an error "Unable to find component class TrfDBDataSet. It is not registed via RegisterClass and no lmf file was found." I found that i have LR_DBSet file in C:\lazarus\components\lazeport\lr_dbset.pas where TrfDBDataSet class is declarated.
It probobly is the reson why the code does not want to compile
After i run and try to compile i got an error uknown property "UTF8StringAsWideField", and in the the end i got error code 217.

lfyey121

  • Newbie
  • Posts: 4
Re: Project not load TrfDataSetComponent
« Reply #1 on: October 28, 2024, 02:53:58 am »
You need to manually add references to units, and I found that when I created a derived form and the base form had a frame, there was a missing reference to the frame unit in the newly created form unit.

 

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