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GrdiViewDataColumn with converter and converterparameter with binding

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Dario Concilio
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Dario Concilio asked on 22 Apr 2016, 03:20 PM

 <telerik:GridViewDataColumn Header="Valore" DataMemberBinding="{Binding Value,Converter={StaticResource DynamicsParameterConverter}}" />

Actually I have this column, my entity has other property called "Type", this one show me how to use a converter class.

I would change this column in this vesion

<telerik:GridViewDataColumn Header="Valore" DataMemberBinding="{Binding Value,Converter={StaticResource DynamicsParameterConverter}, ConverterParameter={Binding Type}}" Width="*" />

 

But I can't do this because ConverterParameter is not compatible with DependencyProperty, is there a workaround or feature of column for this?

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Martin
Telerik team
answered on 27 Apr 2016, 08:05 AM
Hi Potito,

Because the ConverterParameter property is not a dependency property and hence can not be bound, an alternative solution is to use a MultiBinding with a multi-value converter instead of a normal Binding. Please take a look at Binding ConverterParameter StackOverflow article where you can find detailed information on the matter.

I hope that this helps. 

Regards,
Martin Vatev
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Dario Concilio
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answered on 27 Apr 2016, 08:14 AM

I saw, thank you, finally I decided to change the nature of the property "Value", in this way I have encapsulated the value parameter, then running it into the converter.

 

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Martin
Telerik team
answered on 27 Apr 2016, 08:28 AM
Hello Potito,

I am glad to hear that you have found a workaround for this restriction.

Regards,
Martin Vatev
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Dario Concilio
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answered on 27 Apr 2016, 02:30 PM

Hello Martin, for curiosity,

but how do I use MultiBinding approach, if I have to use it on DataMemberBinding ?!?

This one hasn't DependencyProperty.

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Martin
Telerik team
answered on 27 Apr 2016, 03:18 PM
Hi Potito,

The best way to achieve your goal will be to declare CellTemplate for the desired column and use a simple TextBlock with MultiBinding approach for the Text property.

I hope this helps.

Regards,
Martin Vatev
Telerik
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Martin
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Dario Concilio
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