https://learn.microsoft.com/fr-fr/dotnet/api/microsoft.xrm.sdk.query.columnset.allcolumns?view=dataverse-sdk-latest
ColumnSet.AllColumns Property (Microsoft.Xrm.Sdk.Query) | Microsoft Learn
Gets or sets whether to retrieve all the columns of a table or record. (Not recommended)
propertymicrosoftxrmsdkquery