By Eric Leissler - 7/26/2011
hi ,
on a sample project i mad a form with a combo box and some textbôx
this project has two monht
today i open this project and
i woud like to add a column to my combobox, but wen i ckick on the propertie
populationdatasourcesetting,
i have this error
ConstraintException
La colonne 'value' doit être unique. La valeur 'agenda.bo_adresse' est déjà présente.
Source : System.Data
Stack Trace:
à System.Data.UniqueConstraint.CheckConstraint(DataRow row, DataRowAction action)
à System.Data.DataTable.RaiseRowChanging(DataRowChangeEventArgs args, DataRow eRow, DataRowAction eAction, Boolean fireEvent)
à System.Data.DataTable.SetNewRecordWorker(DataRow row, Int32 proposedRecord, DataRowAction action, Boolean isInMerge, Boolean suppressEnsurePropertyChanged, Int32 position, Boolean fireEvent, Exception& deferredException)
à System.Data.DataTable.InsertRow(DataRow row, Int64 proposedID, Int32 pos, Boolean fireEvent)
à MicroFour.StrataFrame.Extensibility.ListPopulationEditorDialog.ᜂ()
à MicroFour.StrataFrame.Extensibility.ListPopulationEditorDialog.ᜁ(Object A_0, EventArgs A_1)
Have you an idea ??
thanks
best regard
Eric LEISSLER
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By Michel Levy - 7/26/2011
Hi Eric,
check your project, you may have referenced twice the same assembly. First, check in Project References if the exe of the project itself is not referenced.
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