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Peter
704
Bind "BackgroundActive" to ViewModel property
posted

Hello,

I have the following XAML and the BackgroundActive property in my ViewModel gets read, but doesn't seem to get set in the datagrid.  If I hardcode a brush color to the BackgroundActive value, it displays as it should.  Any help much appreciated.

 

 

 

 

 

<igDP:XamDataGrid Name="DocumentsGrid" DataSource="{Binding Documents}" ActiveDataItem="{Binding SelectedRow}" RecordLoadMode="{Binding GridRecordLoadMode, Mode=OneTime}" RecordContainerGenerationMode="{Binding ContainerGenerationMode, Mode=OneTime}">

 

 

 

 

<igDP:XamDataGrid.Resources>

 

 

 

 

<Style TargetType="{x:Type igDP:DataRecordCellArea}">

 

 

 

 

<Setter Property="BackgroundActive" Value="{Binding DataContext.ActiveGridRowColor, ElementName=DocumentsGrid, Mode=OneWay}"/>

 

 

 

 

</Style>

 

 

 

 

</igDP:XamDataGrid.Resources>

 

 

 

 

 

<igDP:XamDataGrid.FieldSettings>

 

 

 

 

<igDP:FieldSettings AllowEdit="False" />

 

 

 

 

</igDP:XamDataGrid.FieldSettings>

 

 

 

 

 

</igDP:XamDataGrid>

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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  • 9694
    posted

    One solution is to use a DataTrigger in a CellValuePresenterStyle.

    Try the following:

    <Style TargetType="{x:Type igDP:CellValuePresenter}">
            <Style.Triggers>
                <DataTrigger
                        Binding="{Binding Record.IsActive,
                    RelativeSource    ={RelativeSource Self}}"
                    Value="True">
                    <Setter Property="BackgroundActive"
                        Value="{Binding Path=ActiveGridRowColor,
                             Source    ={StaticResource myDataSource}}" />
                </DataTrigger>
            </Style.Triggers>
    </    Style>

    This is declared as a global style. You can give this style a Key and assign it to all Fields by assigning the resource to the FieldLayout.FieldSettings.CellValuePresenterStyle or to individual Fields as well using the FieldLayouts.Field.FieldSettings.CellValuePresenterStyle.

    I'm not sure how your data is set up. Is it safe to assume you have a property in your main data source called ActiveGridRowColor. And there is also a property called Documents. Since your XAML snippet doesn't include where the data is declared, I've added a Source declaration which assumes a data source declared in a resource with key myDataSource. If this isn't enough to get you going, send more info about the data so I might make sure the binding expression works.

    Thank you!

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