如何检测C#WPF中列表视图中单击的行和列

问题描述 投票:0回答:1

我有一个wpf项目,并且我有一个表单,并且它添加了一个listview。我已经加载了总共8行。另外,我还添加了两列带有“编辑”和“删除”的文本。现在,我需要单击“编辑”和“删除”,然后单击相应的行列详细信息。就像用户单击“编辑”时一样,应执行编辑代码。与“删除”单击也相同。我在这里附加我的wpf xaml文件代码

<ListView x:Name="lstViewIrctcId" HorizontalAlignment="Left" Height="271" Margin="4,140,0,0" VerticalAlignment="Top" Width="777" >
            <ListView.Resources>
                <Style TargetType="ListViewItem">
                    <Style.Triggers>
                        <Trigger Property="IsKeyboardFocusWithin" Value="True">
                            <Setter Property="IsSelected" Value="True"/>

                        </Trigger>
                    </Style.Triggers>
                    <EventSetter Event="PreviewGotKeyboardFocus" Handler="SelectCurrentItem"/>
                </Style>
            </ListView.Resources>
            <ListView.View>
                <GridView>
                    <GridViewColumn x:Name="Id" Header="ID" Width="135" DisplayMemberBinding="{Binding ID}"  />
                    <GridViewColumn x:Name="Count" Header="TOTAL COUNT" Width="80" DisplayMemberBinding="{Binding COUNT}"  />
                    <GridViewColumn x:Name="Name"  Header="NAME" Width="80"  DisplayMemberBinding="{Binding NAME}" />
                    <GridViewColumn x:Name="Address"  Header="Address" Width="80" DisplayMemberBinding="{Binding ADDRESS}" />
                    <GridViewColumn x:Name="Status" Header="Status" Width="80"  DisplayMemberBinding="{Binding STATUS}" />                        
                    <GridViewColumn x:Name="irEdit"  Header="Edit" Width="60">
                        <GridViewColumn.CellTemplate>
                            <DataTemplate>
                                <TextBlock Text="Edit" MouseLeftButtonUp="Edit_btn_click">

                                </TextBlock>
                            </DataTemplate>
                        </GridViewColumn.CellTemplate>
                    </GridViewColumn>
                    <GridViewColumn x:Name="irRemove" Header="Remove" Width="60">
                        <GridViewColumn.CellTemplate>
                            <DataTemplate>
                                <TextBlock Text="Edit" MouseLeftButtonUp="Delete_btn_click">

                                </TextBlock>
                            </DataTemplate>
                        </GridViewColumn.CellTemplate>
                    </GridViewColumn>
                </GridView>
            </ListView.View>
        </ListView>

我已经尝试在编辑和删除中添加MouseLeftButtonUp,并在.cs文件中创建了它的方法。这将检测单击哪个列,即。编辑或删除,但我还需要相应的行详细信息才能处理编辑和删除操作。

c# wpf listview
1个回答
0
投票

在列表视图xaml中,您应该在命令中传递listview项,例如:

Command="{Binding GetSelectedItem}" CommandParameter="{Binding Path=PlacementTarget.SelectedItems, RelativeSource={RelativeSource AncestorType={x:Type ContextMenu}}}"

并且在您的代码中,将命令声明为Relay命令或委托命令后,您可以调用此函数

public void YourCommandMethod(object obj)
    {
        try
        {
            //Get our list view
            ListView listview = (ListView)obj;
            string sNavigationPath = string.Empty;
            //this is a work around to get selected item without clicking on list view, just the coordinates
            var item = VisualTreeHelper.HitTest(listview, Mouse.GetPosition(listview)).VisualHit;
            // find ListViewItem (or null)
            while (item != null && !(item is ListViewItem))
                item = VisualTreeHelper.GetParent(item);
            if (item != null)
            {
                //Convert item to Listview
                ListViewItem listviewItem = (ListViewItem)item;
                //Get the data context wich hold the necessary info
                var _dataContext = listviewItem.DataContext;
                //Convert back to our customized listview
                var _list = (ListViewItems)_dataContext;
                // Do whatever you want with your elements

            }



        }
        catch (Exception ex)
        {
            StaticElements.showErrorFlyout(ex.Message);
        }
    }
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