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wpfxamlbuttondatagrid

Button in DataGrid is disabled despite IsEnabled being set to true


The goal is to insert an enabled Button into a column of a DataGrid.

In the following XAML code snippet, the Button is inserted into the DataGrid with the IsEnabled property set to true.

<DataGrid Name="DgData" HorizontalAlignment="Left" Height="306" Margin="10,119,0,0" VerticalAlignment="Top" Width="637" Background="White">
    <DataGrid.RowStyle>
        <Style TargetType="DataGridRow">
            <Setter Property="IsEnabled" Value="{Binding RelativeSource={RelativeSource Self},Path=IsNewItem,Mode=OneWay}" />
        </Style>
    </DataGrid.RowStyle>
    <DataGrid.Columns>
        <DataGridTextColumn Binding="{x:Null}" ClipboardContentBinding="{x:Null}" Header="Id" IsReadOnly="True" Visibility="Hidden"/>
        <DataGridTextColumn Header="Date" Binding="{Binding Date}" IsReadOnly="True" Width="100" CanUserResize="False"/>
        <DataGridTextColumn Header="Domain name" Binding="{Binding DomainName}" IsReadOnly="True" Width="105" CanUserResize="False"/>
        <DataGridTextColumn Header="Type" Binding="{Binding Relevance}" IsReadOnly="True" Width="65" CanUserResize="False"/>
        <DataGridTextColumn Header="Category" Binding="{Binding DomainName}" IsReadOnly="True" Width="65" CanUserResize="False"/>
        <DataGridTextColumn Header="Description" Binding="{Binding Content}" IsReadOnly="True" Width="200" CanUserResize="False"/>
        <DataGridTemplateColumn MinWidth="100" Header="Note" CanUserSort="True" CanUserResize="False">
            <DataGridTemplateColumn.CellTemplate>
                <DataTemplate>
                    <Button Name="BtnShowNotes" IsEnabled="True" Click="BtnShowNotes_OnClick">Show</Button>
                 </DataTemplate>
            </DataGridTemplateColumn.CellTemplate>
        </DataGridTemplateColumn>
    </DataGrid.Columns>
</DataGrid>

However, when executing the application, the button is disabled.

What is causing the issue?


Solution

  • Your RowStyle sets the IsEnabled property of the entire row to false. Remove this one and the Button should be enabled:

    <DataGrid Name="DgData"  HorizontalAlignment="Left" Height="306" Margin="10,119,0,0" VerticalAlignment="Top" Width="637" Background="White">
        <DataGrid.Columns>
            <DataGridTextColumn Binding="{x:Null}" ClipboardContentBinding="{x:Null}" Header="Id" IsReadOnly="True" Visibility="Hidden"/>
            <DataGridTextColumn Header="Datum" Binding="{Binding Date}" IsReadOnly="True" Width="100" CanUserResize="False"/>
            <DataGridTextColumn Header="Doménové jméno" Binding="{Binding DomainName}" IsReadOnly="True" Width="105" CanUserResize="False"/>
            <DataGridTextColumn Header="Druh" Binding="{Binding Relevance}" IsReadOnly="True" Width="65" CanUserResize="False"/>
            <DataGridTextColumn Header="Kategorie" Binding="{Binding DomainName}" IsReadOnly="True" Width="65" CanUserResize="False"/>
            <DataGridTextColumn Header="Popis" Binding="{Binding Content}" IsReadOnly="True" Width="200" CanUserResize="False"/>
            <DataGridTemplateColumn MinWidth="100" Header="Poznámky" CanUserSort="True" CanUserResize="False">
                <DataGridTemplateColumn.CellTemplate>
                    <DataTemplate>
                        <Button Name="BtnShowNotes" IsEnabled="True" Click="BtnShowNotes_OnClick">Zobrazit</Button>
                    </DataTemplate>
                </DataGridTemplateColumn.CellTemplate>
            </DataGridTemplateColumn>
        </DataGrid.Columns>
    </DataGrid>