为什么列表框在运行时总是可编辑的

本文关键字：编辑 运行时 列表 为什么 | 更新日期: 2023-09-27 18:22:03

在我的View类中，我有一个listbox控件。它包括文本框和组合框的堆叠面板。但我不明白的是，当我运行应用程序时，列表框的数据会被擦除吗？如果我想避免这种情况，我该怎么办？

当我点击窗口的编辑按钮时，我希望列表框内容是可编辑的。还请建议我如何使列表框内容可编辑。

我的列表框是

<ListBox x:Name="listBox1" ItemsSource="{Binding}" Margin="0,131,0,59" ItemTemplateSelector="{StaticResource templateSelector}" SelectionMode="Single"/>
<!-- Default DataTemplate -->
        <DataTemplate x:Key="DefaultDataTemplate" >
            <StackPanel Orientation="Horizontal" Width="596">
                <TextBox Text="{Binding ClientNameBinding}" Background="Transparent" Padding="0" Margin="0" BorderThickness="0" TextWrapping="Wrap" Width="145"/>
                <TextBox Text="{Binding ApplicationNameBinding}" Background="Transparent" Padding="0" Margin="0" BorderThickness="0" TextWrapping="Wrap" Width="90"/>
                <TextBox Text="{Binding StartTimeBinding}" Background="Transparent" Padding="0" Margin="0" BorderThickness="0" TextWrapping="Wrap" Width="100"/>
                <TextBox Text="{Binding StopTimeBinding}" Background="Transparent" Padding="0" Margin="0" BorderThickness="0" TextWrapping="Wrap" Width="60"/>
                <TextBox Text="{Binding TaskNameBinding}" Background="Transparent" Padding="0" Margin="0" BorderThickness="0" TextWrapping="Wrap" Width="71"/>
                <TextBox Text="{Binding ProjectNameBinding}" Background="Transparent" Padding="0" Margin="0" BorderThickness="0" TextWrapping="Wrap" Width="130"/>  
            </StackPanel>
        </DataTemplate>
        <!-- Editable DataTemplate -->
        <DataTemplate x:Key="EditableDataTemplate">
                <StackPanel Orientation="Horizontal" Width="596">
                <!--<ComboBox x:Name="ClientComboBox" SelectionChanged="ClientComboBoxChanged" ItemsSource="{Binding Path=clientList, ElementName=MainWin}" SelectedValuePath="_id" DisplayMemberPath="_name" SelectedItem="{Binding ClientNameBindingClass, Mode=OneWayToSource}" Background="Yellow" Padding="0" Margin="0" BorderThickness="0" Width="145"/>-->
                <TextBox Text="{Binding ClientNameBinding,Mode=TwoWay,UpdateSourceTrigger=PropertyChanged}" Background="Yellow" Padding="0" Margin="0" BorderThickness="0" TextWrapping="Wrap" Width="145"/>
                <TextBox Text="{Binding ApplicationNameBinding}" Background="Yellow" Padding="0" Margin="0" BorderThickness="0" TextWrapping="Wrap" Width="90"/>
                <TextBox Text="{Binding StartTimeBinding}" Background="Yellow" Padding="0" Margin="0" BorderThickness="0" TextWrapping="Wrap" Width="100"/>
                <TextBox Text="{Binding StopTimeBinding}" Background="Yellow" Padding="0" Margin="0" BorderThickness="0" TextWrapping="Wrap" Width="60"/>
                <TextBox Text="{Binding TaskNameBinding}" Background="Yellow" Padding="0" Margin="0" BorderThickness="0" TextWrapping="Wrap" Width="130"/>
                <ComboBox x:Name="ProjectComboBox" SelectionChanged="ProjectComboBoxChanged" ItemsSource="{Binding Path=projectList, ElementName=MainWin}" SelectedValuePath="_id" DisplayMemberPath="_name"  SelectedItem="{Binding ProjectNameBindingClass, Mode=OneWayToSource}" Width="71" Background="Yellow" BorderThickness="0"/>
            </StackPanel>
        </DataTemplate>

        <!-- DataTemplate Selector -->
        <l:DayViewListDataTemplateSelector x:Key="templateSelector"
          DefaultDataTemplate="{StaticResource DefaultDataTemplate}"
          EditableDataTemplate="{StaticResource EditableDataTemplate}"/>

为什么列表框在运行时总是可编辑的

对于非编辑，可以使用IsReadonly=true或TextBlock。

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