Binding to dataGrid SelectedItem

本文关键字：SelectedItem dataGrid to Binding | 更新日期: 2023-09-27 18:04:06

我有这样的DataGrid:

<DataGrid AutoGenerateColumns="False" IsReadOnly="True" SelectionMode="Single" GridLinesVisibility="None">
    <DataGrid.Columns>
        <DataGridTemplateColumn>
            <DataGridTemplateColumn.CellTemplate>
                <DataTemplate>
                    <Border BorderThickness="{Binding ???}" BorderBrush="Black" >
                        <Grid></Grid>
                    </Border>
                </DataTemplate>
            </DataGridTemplateColumn.CellTemplate>
    </DataGridTemplateColumn>
</DataGrid>

我需要在CellTemplate中绑定Border的BorderThickness到DataGrid.SelectedItem。例如:如果单元格在选定行中，厚度必须为1,1,1,1，否则为零。(我知道转换器)。如何做到这一点?

Binding to dataGrid SelectedItem

可以使用触发器实现:

  <DataGrid AutoGenerateColumns="False" IsReadOnly="True" SelectionMode="Single" GridLinesVisibility="None">
        <DataGrid.Columns>
            <DataGridTemplateColumn>
                <DataGridTemplateColumn.CellTemplate>
                    <DataTemplate>
                        <Border  BorderBrush="Black" >
                            <Border.Style>
                                <Style TargetType="Border">
                                    <Style.Triggers>
                                        <DataTrigger Binding="{Binding IsSelected, RelativeSource={RelativeSource FindAncestor, AncestorType=DataGridCell}}" Value="True">
                                            <Setter Property="BorderThickness" Value="1"></Setter>
                                        </DataTrigger>
                                    </Style.Triggers>
                                </Style>
                            </Border.Style>
                            <Grid></Grid>
                        </Border>
                    </DataTemplate>
                </DataGridTemplateColumn.CellTemplate>
            </DataGridTemplateColumn>
         </DataGrid.Columns>
    </DataGrid>

或

直接设置CellStyle为

       <DataGrid AutoGenerateColumns="False" IsReadOnly="True" SelectionMode="Single" GridLinesVisibility="None">
        <DataGrid.Columns>
            <DataGridTemplateColumn>
                <DataGridTemplateColumn.CellStyle>
                    <Style TargetType="DataGridCell">
                        <Style.Triggers>
                            <Trigger Property="IsSelected" Value="True">
                                <Setter Property="BorderThickness" Value="1"></Setter>
                                <Setter Property="BorderBrush" Value="Black"></Setter>
                            </Trigger>
                        </Style.Triggers>
                    </Style>

转换器可能不是这样做的方式，尝试在选定的网格项目上使用数据触发器来改变边框样式，看看这个http://www.wpf-tutorial.com/styles/trigger-datatrigger-event-trigger/

相关文章：