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UltraComboGrid Fails to Update BindingSource.Position When DataSource Members are EF Entities
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When the UltraCombo.DataSource is set to a Forms.BindingSource, and the members of the BindingSource.DataSource are Entity Framework Entities, UltraCombo row selections by the user do not change the BindingSource.Position, BindingSource.Current or BindingSource.CurrentItem values.  In fact, if you create BindingSource event handlers for CurrentItemChanged(), CurrentChanged() and PositionChanged(), you can see that UltraCombo row selections do not even cause those BindingSource events to fire.  This causes the UltraCombo and its respective BindingSource to be continuously out of sync.

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  • 250
    posted

    I might also mention that I have experienced this when I assign the BindingSource.DataSource either an array of EF Entities or a Collections.Generic.List of EF Entities.

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