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Info on DataWindow Converter and nullable property
  1. How-to
  2.  DataWindow
  3.  SnapDevelop
  4.  .NET 6.0
0 Votes
  1. FIlippo Donà
  2. SnapDevelop
  3. Wednesday, 22 March 2023 11:12 AM UTC

Hello, I need information about converting datawindows to C# Model.

In SnapDevelop starting from a datawindow created with PowerBuilder I am able to create the relative C# Model using the "Convert DataWindow to C# Model" function however I find what I think is an issue.

Once the C# Model was generated and compiled, I noticed the following warnings regarding two non-nullable properties:

1> ------ Build started: Project: api.csproj, Configuration: Debug Any CPU ------
1> D_Righe_Documento.cs(22,23): Warning CS8618: L'elemento proprietà 'Descrizione' non nullable deve contenere un valore non Null all'uscita dal costruttore. Provare a dichiarare proprietà come nullable.
1> D_Righe_Documento.cs(35,23): Warning CS8618: L'elemento proprietà 'Totale_Riga' non nullable deve contenere un valore non Null all'uscita dal costruttore. Provare a dichiarare proprietà come nullable.

So I opened the settings of the DataWindow converter and I saw that the "Generate models with nullable property types" check was missing.

I checked the "Generate models with nullable property types" flag and tried to open the Preview of the C# Model I noticed that the preview is different from the code that was generated

Preview:

C# Model generated:

Any suggestions? 

Environment:
SnapDevelop 2022

Thank you all

Documentation: Missing Startup.cs ASP .NET Core Web API project: problem with datawindow compu...
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