如何添加动态控制而不是静态控制？

发布于 2024-12-22 18:42:18 字数 1149 浏览 1 评论 0原文

我有一个包含字段城市名称、州名称和国家名称的集合，并将该集合绑定到我的 wpf 表单。我想在文本框中显示城市名称，在组合框中显示州名称，在组合框中显示国家名称。所有文本框和组合框都应该是动态的。我怎样才能做好这份工作？

任何人都建议我如何使用 MVVM 在 wpf 中动态设计此表单，我正在尝试执行此代码，但无法正确获得结果。要么我将所有内容都作为文本框或组合框，但我需要的是指定的文本框和组合框。

<Border Margin="3.5">
    <Grid>
      <Grid.ColumnDefinitions>
        <ColumnDefinition Width="125" />
        <ColumnDefinition Width="*" MinWidth="100" />
      </Grid.ColumnDefinitions>
      <Grid.RowDefinitions>
        <RowDefinition Height="Auto" />
      </Grid.RowDefinitions>
      <TextBlock x:Name="tbFieldTag" Cursor="Hand" VerticalAlignment="Center" HorizontalAlignment="Stretch" TextWrapping="Wrap" Margin="10,0,0,0" Text="{Binding Path=CardField.FieldTag}" />
            <TextBox Margin="10,0,0,0" x:Name="txtFieldData" Grid.Column="1" MaxLength="{Binding Path=CardField.MaximumLength}"  Text="{Binding Path=CardField.FieldData, Mode=TwoWay}"  />
            <!--<ComboBox  Margin="10,0,0,0" x:Name="comboFieldData" Grid.Column="1" Text="{Binding Path=CardField.FieldTag}"/>-->
    </Grid>
</Border>

原文

I have a collection with fields cityname, statename and countryname and I bind that collection to my wpf form. I want to display the cityname in a Textbox, the statename in a combobox and the countryname in a combobox. All the textboxes and comboboxes should come dynamically. How can I do this job?

Any one suggest me how to design this form dynamically in wpf using MVVM I am trying to do this code but not get result properly. Either I get everything as textbox or combobox, but what i need is textbox and combobox as specified.

<Border Margin="3.5">
    <Grid>
      <Grid.ColumnDefinitions>
        <ColumnDefinition Width="125" />
        <ColumnDefinition Width="*" MinWidth="100" />
      </Grid.ColumnDefinitions>
      <Grid.RowDefinitions>
        <RowDefinition Height="Auto" />
      </Grid.RowDefinitions>
      <TextBlock x:Name="tbFieldTag" Cursor="Hand" VerticalAlignment="Center" HorizontalAlignment="Stretch" TextWrapping="Wrap" Margin="10,0,0,0" Text="{Binding Path=CardField.FieldTag}" />
            <TextBox Margin="10,0,0,0" x:Name="txtFieldData" Grid.Column="1" MaxLength="{Binding Path=CardField.MaximumLength}"  Text="{Binding Path=CardField.FieldData, Mode=TwoWay}"  />
            <!--<ComboBox  Margin="10,0,0,0" x:Name="comboFieldData" Grid.Column="1" Text="{Binding Path=CardField.FieldTag}"/>-->
    </Grid>
</Border>

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谁许谁一生繁华 2024-12-29 18:42:18

您问题的关键是DataTemplates。这些允许您将视图绑定到自定义对象的集合。

您应该有一个公开 ObservableCollection 的 ViewModel，其中 TLocation 是公开公共属性 Cityname、Statename 和 Countryname 的类。

在您的视图中，您需要显示一个 ContentControl（例如 ListBox），将其 ItemSource 属性绑定到 ObservableCollection。

然后，将列表框的 DataTemplate 设置为类似以下内容：

<DataTemplate>
    <StackPanel Orientation="Horizontal">
        <TextBox Text="{Binding Path=CityName}" />
        <ComboBox Text="{Binding Path=StateName}" />
        <ComboBox Text="{Binding Path=CountryName}" />
    </StackPanel>
</DataTemplate>

另一种方法是使用 DataGrid。请参阅本文

The key to your problem are DataTemplates. These allow you to bind your view to a collection of custom objects.

You should have a ViewModel that is exposing an ObservableCollection<TLocation> where TLocation is a class that is exposing public properties Cityname, Statename and Countryname.

In your View you need to show a ContentControl, say a ListBox, having it's ItemSource property bound to the ObservableCollection.

Then you set the DataTemplate for the Listbox to something like:

<DataTemplate>
    <StackPanel Orientation="Horizontal">
        <TextBox Text="{Binding Path=CityName}" />
        <ComboBox Text="{Binding Path=StateName}" />
        <ComboBox Text="{Binding Path=CountryName}" />
    </StackPanel>
</DataTemplate>

Another approach is to use a DataGrid. See this article

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