WPF checkbox绑定和通过值更新将存入的 1-0 转换成 true false

本文介绍如何在WPF的DataGrid中使用Checkbox实现取反功能,包括自定义模板和值转换器的具体实现。

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 刚玩WPF不多久,来到一家新公司 因为现在工作轻松一点就安排了我去做DataGrid的增删改查功能的实现,因为是底层封装好的原因就不方便贴代码了,但对于像我这样的小白来说,工作中有很多我们还没接触过的存在

就已ChexkBox举例吧!

 <DataGridTemplateColumn Header="取反" Width="120">
      <DataGridTemplateColumn.CellTemplate>
                  <DataTemplate>
                        <CheckBox  IsChecked="{Binding Inversion,Converter={StaticResource converter},UpdateSourceTrigger=PropertyChanged}"></CheckBox>
                   </DataTemplate>
       </DataGridTemplateColumn.CellTemplate>
 </DataGridTemplateColumn>

看到传到图片的箭头方向了吗?那就是最重要的


然后新建一个文件夹

 public class IntToBoolConverter : IValueConverter
    {
        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
        {
            if (value==null)
            {
                return false;
            }
            int val = System.Convert.ToInt32(value);
            return val > 0;
        }


        public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
        {
            if (value==null)
            {
                return 0;
            }


            return ((bool)value) ? 1 : 0;
        }
    }

把这段代码拷进去就行了


这段值转换是用于CheckBox的true false 转换别的实现需要自己去写代码 

(前提是不同功能的要求去建Converter)

好啦!不喜勿喷 我只是菜鸟  学了东西就记录下来而已 分享也是快乐



<GroupBox Header="{StaticResource ResourceKey=jkoEquipmentLoading_waitingReworkData}" Grid.Row="5"> <DataGrid x:Name="dgWaitingReworkData" IsReadOnly="True" VirtualizingPanel.IsVirtualizing="False" AutoGenerateColumns="False"> <DataGrid.ColumnHeaderStyle> <Style TargetType="{x:Type DataGridColumnHeader}"> <Setter Property="BorderThickness"> <Setter.Value> <Thickness Left="1" Top="1" Right="1" Bottom="1"/> </Setter.Value> </Setter> <Setter Property="Foreground" Value="Black"/> <Setter Property="FontSize" Value="12" /> <Setter Property="Height" Value="30"/> <Setter Property="HorizontalContentAlignment" Value="Center" /> </Style> </DataGrid.ColumnHeaderStyle> <DataGrid.ContextMenu> <ContextMenu x:Name="dgmenu1" StaysOpen="true"> <MenuItem Header="{StaticResource jkoScrapQuery_Excel}"/> </ContextMenu> </DataGrid.ContextMenu> <DataGrid.Columns> <DataGridCheckBoxColumn Width="30" Binding="{Binding IsCheck,Mode=TwoWay,UpdateSourceTrigger=PropertyChanged}"> <DataGridCheckBoxColumn.HeaderTemplate > <DataTemplate> <CheckBox Click="CheckBox_Click" HorizontalAlignment="Center" VerticalAlignment="Center" ></CheckBox> <!--IsChecked="True"--> </DataTemplate> </DataGridCheckBoxColumn.HeaderTemplate> <DataGridCheckBoxColumn.ElementStyle> <Style TargetType="CheckBox"> <Setter Property="IsChecked" Value="{Binding IsCheck,Mode=TwoWay,UpdateSourceTrigger=PropertyChanged}"></Setter> </Style> </DataGridCheckBoxColumn.ElementStyle> <DataGridCheckBoxColumn.CellStyle> <Style > <Setter Property="CheckBox.VerticalAlignment" Value="Center"></Setter> <Setter Property="CheckBox.HorizontalAlignment" Value="Center"></Setter> </Style> </DataGridCheckBoxColumn.CellStyle> </DataGridCheckBoxColumn> <DataGridTextColumn x:Name="gvSerialNumber" Header="{StaticResource ResourceKey=jkoEquipmentLoading_serialNumber}" Width="50" Binding="{Binding SerialNumber}" /> <DataGridTextColumn x:Name="gvSn" Header="{StaticResource ResourceKey=jkoEquipmentLoading_sn}" Width="200" Binding="{Binding Sn}" /> <DataGridTextColumn x:Name="gvTrayNo" Header="{StaticResource ResourceKey=jkoEquipmentLoading_trayNo}" Width="100" Binding="{Binding TrayNo}" /> <DataGridTextColumn x:Name="gvOldGrade" Header="{StaticResource ResourceKey=jkoEquipmentLoading_oldGrade}" Width="100" Binding="{Binding Grade}"/> <DataGridTextColumn x:Name="gvOldOrder" Header="{StaticResource ResourceKey=jkoEquipmentLoading_oldOrder}" Width="100" Binding="{Binding OldOrder}"/> <DataGridTextColumn x:Name="gvOldProduct" Header="{StaticResource ResourceKey=jkoEquipmentLoading_oldProduct}" Width="100" Binding="{Binding OldProduct}"/> <DataGridTextColumn x:Name="gvNewGrade" Header="{StaticResource ResourceKey=jkoEquipmentLoading_newGrade}" Width="100" Binding="{Binding NewGrade}"> <DataGridTextColumn.CellStyle> <Style TargetType="DataGridCell"> <Setter Property="Background" Value="LightGreen"></Setter> </Style> </DataGridTextColumn.CellStyle> </DataGridTextColumn> <DataGridTextColumn x:Name="gvNewOrder" Header="{StaticResource ResourceKey=jkoEquipmentLoading_newOrder}" Width="100" Binding="{Binding NewOrder}" > <DataGridTextColumn.CellStyle> <Style TargetType="DataGridCell"> <Setter Property="Background" Value="LightGreen"></Setter> </Style> </DataGridTextColumn.CellStyle> </DataGridTextColumn> <DataGridTextColumn x:Name="gvNewProduct" Header="{StaticResource ResourceKey=jkoEquipmentLoading_newProduct}" Width="100" Binding="{Binding NewProduct}"> <DataGridTextColumn.CellStyle> <Style TargetType="DataGridCell"> <Setter Property="Background" Value="LightGreen"></Setter> </Style> </DataGridTextColumn.CellStyle> </DataGridTextColumn> <DataGridTextColumn x:Name="gvPowerGear" Header="{StaticResource ResourceKey=jkoEquipmentLoading_powerGear}" Width="100" Binding="{Binding PowerGear}"/> <DataGridTextColumn x:Name="gvColor" Header="{StaticResource ResourceKey=jkoEquipmentLoading_color}" Width="100" Binding="{Binding Color}"/> <DataGridTextColumn x:Name="gvShortCircuitCurrent" Header="{StaticResource ResourceKey=jkoEquipmentLoading_shortCircuitCurrent}" Width="100" Binding="{Binding ShortCircuitCurrent}"/> <DataGridTextColumn x:Name="gvOpenCircuitVoltage" Header="{StaticResource ResourceKey=jkoEquipmentLoading_openCircuitVoltage}" Width="100" Binding="{Binding OpenCircuitVoltage}"/> <DataGridTextColumn x:Name="gvWorkingCurrent" Header="{StaticResource ResourceKey=jkoEquipmentLoading_workingCurrent}" Width="100" Binding="{Binding WorkingCurrent}"/> <DataGridTextColumn x:Name="gvWorkingVoltage" Header="{StaticResource ResourceKey=jkoEquipmentLoading_workingVoltage}" Width="100" Binding="{Binding WorkingVoltage}"/> <DataGridTextColumn x:Name="gvMeasuredPower" Header="{StaticResource ResourceKey=jkoEquipmentLoading_measuredPower}" Width="70" Binding="{Binding MeasuredPower}" /> <!--<DataGridTemplateColumn Header="操作" Width="70"> <DataGridTemplateColumn.CellTemplate> <DataTemplate> <Button Content="删除" Click="Button_Click"/> </DataTemplate> </DataGridTemplateColumn.CellTemplate> </DataGridTemplateColumn>--> </DataGrid.Columns> </DataGrid> </GroupBox> 用代码获取到dgWaitingReworkData里面的jkoEquipmentLoading_oldOrder原工单 里面只要不重复的数据
05-13
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