Question

I have the following code:

    <DataGridTextColumn IsReadOnly="True" Header="StringLock" Binding="{Binding StringLock}">
                <DataGridTextColumn.ElementStyle>
                    <Style TargetType="{x:Type TextBlock}">
                        <Style.Triggers>
                            <Trigger Property="Text" Value="False">
                                <Setter Property="Background" Value="LightGray"/>
                            </Trigger>
                        </Style.Triggers>
                    </Style>
                </DataGridTextColumn.ElementStyle>
            </DataGridTextColumn>
            <DataGridTemplateColumn Header="CanPressButton">
                <DataGridTemplateColumn.CellTemplate>
                    <DataTemplate>
                        <Button>Lock module string</Button>
                    </DataTemplate>
                </DataGridTemplateColumn.CellTemplate>
            </DataGridTemplateColumn>

The StringLock column Background property’s color is LightGray if the value of the Text it contains is False.

I want to disable the button in column CanPressButton IF the value of Text is False in the StringLock column.

How do I do this?

Answer 1

You have the full DataContext (i.e. row item) at your disposal to trigger on:

<Button.Style>
     <Style TargetType="Button">
         <Style.Triggers>
             <DataTrigger Binding="{Binding StringLock}" Value="False">
                 <Setter Property="IsEnabled" Value="False"/>
             </DataTrigger>
         </Style.Triggers>
     </Style>
</Button.Style>