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  • WPF绑定Model的实例对象

    创建一个用户控件

    1. behindcode指定this.DataContext=XXViewModel 

    2. "{Binding DataContext.EditModel.MId,RelativeSource={RelativeSource FindAncestor, AncestorType={x:Type UserControl}}}" 

    Xaml代码如下:

    <Grid Name="eg" Grid.Row="4" Grid.ColumnSpan="8"  Visibility="{Binding DataContext.EditVisible,RelativeSource={RelativeSource FindAncestor, AncestorType={x:Type UserControl}}}">
                <Grid.ColumnDefinitions>
                    <ColumnDefinition Width="*"></ColumnDefinition>
                    <ColumnDefinition Width="*"></ColumnDefinition>
                    <ColumnDefinition Width="*"></ColumnDefinition>
                    <ColumnDefinition Width="*"></ColumnDefinition>
                    <ColumnDefinition Width="*"></ColumnDefinition>
                    <ColumnDefinition Width="*"></ColumnDefinition>
                    <ColumnDefinition Width="*"></ColumnDefinition>
                </Grid.ColumnDefinitions>
                <Grid.RowDefinitions>
                    <RowDefinition></RowDefinition>
                    <RowDefinition></RowDefinition>
                    <RowDefinition></RowDefinition>
                    <RowDefinition></RowDefinition>
                </Grid.RowDefinitions>
                <Label Content="年月:" Grid.Column="0" Grid.Row="0" VerticalAlignment="Center"></Label>
                <Label Content="机种:" Grid.Column="2" Grid.Row="0" VerticalAlignment="Center"></Label>
                <Label Content="EMS邮件内容:" Grid.Column="4" Grid.Row="0" VerticalAlignment="Center"></Label>

                <DatePicker Background="Blue"  Grid.Row="0" Grid.Column="1" SelectedDate="{Binding DataContext.EditModel.Monthly,RelativeSource={RelativeSource FindAncestor, AncestorType={x:Type UserControl}}}"></DatePicker>
                <ComboBox DisplayMemberPath="Value"  SelectedValuePath="Key" Grid.Row="0" Grid.Column="3"
                          SelectedValue="{Binding DataContext.EditModel.MId,RelativeSource={RelativeSource FindAncestor, AncestorType={x:Type UserControl}}}"  ItemsSource="{Binding DataContext.MachineList,RelativeSource={RelativeSource FindAncestor, AncestorType={x:Type UserControl}}}"/>

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  • 原文地址:https://www.cnblogs.com/jeffry/p/5821269.html
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