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GeneralRe: Style In Resource Dictionary Not Found Pin
Kevin Marois18-Mar-14 5:46
professionalKevin Marois18-Mar-14 5:46 
QuestionWPF Data Grid - Bind Checkbox To Command On VM Pin
Kevin Marois17-Mar-14 8:13
professionalKevin Marois17-Mar-14 8:13 
I have this checkbox column in a DataGrid

<DataGridTemplateColumn Header="Complete"
                        Width="200">

    <DataGridTemplateColumn.CellTemplate>
        <DataTemplate>
            <CheckBox IsChecked="{Binding IsCompleted, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}"
                        Command="{Binding DataContext.IsCompletedCommand,RelativeSource={RelativeSource Mode=Self}}"
                        CommandParameter="{Binding SelectedItem, ElementName=PhasesGrid}" />

        </DataTemplate>
    </DataGridTemplateColumn.CellTemplate>

</DataGridTemplateColumn>


I'm trying to bind the Command to a command called IsCompletedCommand on the VM, but I can't get the syntax right.

The Output window shows:

BindingExpression path error: 'IsCompletedCommand' property not found on 'object' ''JobPhaseHeaderEntity' (HashCode=39389875)'. BindingExpression:Path=DataContext.IsCompletedCommand; DataItem='CheckBox' (Name=''); target element is 'CheckBox' (Name=''); target property is 'Command' (type 'ICommand')


The grid is bound to a list of "JobPhaseHeaderEntity". So I know that my Command binding is wrong, I just know the right syntax. Can someone help?

Thanks


[UPDATE]
I figured it out....

<DataGridTemplateColumn Header="Complete"
                        Width="200">

    <DataGridTemplateColumn.CellTemplate>
        <DataTemplate>
            <CheckBox IsChecked="{Binding IsCompleted, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}"
                        Command="{Binding DataContext.IsCompletedCommand,  RelativeSource={RelativeSource FindAncestor, AncestorType={x:Type UserControl}}}"
                        CommandParameter="{Binding SelectedItem, ElementName=PhasesGrid}" />

        </DataTemplate>
    </DataGridTemplateColumn.CellTemplate>

</DataGridTemplateColumn>

If it's not broken, fix it until it is


modified 17-Mar-14 14:36pm.

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