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sfDataGrid DetailViewDefinition - Binding InvalidOperationException exception if view model properties are readonly

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119609 Jul 14,2015 11:12 AM UTC Jul 15,2015 12:51 PM UTC WPF 1
Tags: SfDataGrid
Sauro Rossi
Asked On July 14, 2015 11:12 AM UTC

I have just updated WPF sfDataGrid to the 2015 Vol2.
Before go trough the error detail, I would ask if is available a complete and detailed  "what's new" document about WPF 2015 Vol.2?

In my application I have a UserControl with a sfDataGrid with a DetailsViewDefinition.
DetailsView is a sfDataGrid with seven readonly columns with the following binding definition

		<local:StrategyStintView DataContext="{Binding S5, Mode=OneWay}" />

if I click on the cell I have the following error (please see complete exception in attached file). As  you can see, binding mode is OneWay.



 A TwoWay or OneWayToSource binding cannot work on the read-only property 'S5' of type 'ViewModels.MainPanelControls.GridViewModels.DSViewModel'.

S5 property is simply defined as you can see below

public int S5
	get { return GetS(5); }

the only way that I found to solve this issues is do add a fake set. But in this mode my  ViewModel become dirty in few minutes...

public int S5
	get { return GetS(5); }
	set { ; }

In release all works fine.

Can you please have a check?



Attachment: sfDataGrid_error_43ba981a.zip

Jayaleshwari N [Syncfusion]
Replied On July 15, 2015 12:51 PM UTC

Hi Sauro,

We were able to reproduce the issue “Binding InvalidOperationException exception if view model properties are readonly” and have logged defect report regarding this. A support incident to track the status of this defect has been created under your account. Please log on to our support website to check for further updates


Please let me know if you have any questions.

Jayaleshwari N.


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