WPF 使用XML作为绑定源时Xaml注意事项

直接在xaml定义时xml时应该注意的!

xml数据

 <?xml version="1.0" encoding="utf-8"?>
  <StringList >
                    <Srtring Id="1">
                        <Name>A</Name>
                        <Age>10</Age>
                        <Nub>001</Nub>
                    </Srtring>
                    <Srtring Id="2">
                        <Name>B</Name>
                        <Age>20</Age>
                        <Nub>002</Nub>
                    </Srtring>
                    <Srtring Id="3">
                        <Name>C</Name>
                        <Age>30</Age>
                        <Nub>003</Nub>
                    </Srtring>
                    <Srtring Id="4">
                        <Name>D</Name>
                        <Age>40</Age>
                        <Nub>004</Nub>
                    </Srtring>
                    <Srtring Id="5">
                        <Name>A</Name>
                        <Age>50</Age>
                        <Nub>005</Nub>
                    </Srtring>
                </StringList>

 

如果直接在Xaml页面中定义则是:

使用XmlDataProvider,并设置key,以及Xpath的源,xpath则是xml在被绑定时起始数据的起点,但不包括自身(不设置也可以,但是需要在设置绑定时设置)

也就是xpath设定为StringList,绑定时的起点则是String

且注意的是:XAML页面中不可以包含<?xml version="1.0" ?>字样,会报错。还有需要在xml根部加上xmlns=""

例子:

   <Window.Resources>
        <XmlDataProvider   x:Key="xmlData"  >
            <x:XData>
                <StringList xmlns="">
                    <String Id="1">
                        <Name>A</Name>
                        <Age>10</Age>
                        <Nub>001</Nub>
                    </String>
                    <String Id="2">
                        <Name>B</Name>
                        <Age>20</Age>
                        <Nub>002</Nub>
                    </String>
                    <String Id="3">
                        <Name>C</Name>
                        <Age>30</Age>
                        <Nub>003</Nub>
                    </String>
                    <String Id="4">
                        <Name>D</Name>
                        <Age>40</Age>
                        <Nub>004</Nub>
                    </String>
                    <String Id="5">
                        <Name>A</Name>
                        <Age>50</Age>
                        <Nub>005</Nub>
                    </String>
                </StringList>
            </x:XData>
        </XmlDataProvider>
    </Window.Resources>
    <Grid>
        <ListView ItemsSource="{Binding Source={StaticResource xmlData},XPath=StringList/*}">
            <ListView.View>
                <GridView>
                    <GridViewColumn Header="Name" Width="60" DisplayMemberBinding="{Binding XPath=Name}" />
                    <GridViewColumn Header="Age" Width="60" DisplayMemberBinding="{Binding XPath=Age}" />
                    <GridViewColumn Header="Nub" Width="60" DisplayMemberBinding="{Binding XPath=Nub}" />
                </GridView>
            </ListView.View>
        </ListView>

    </Grid>

如果想要获取属性则是需要使用@,并且确保xpath路径正确

例如

 <ListView  ItemsSource="{Binding Source={StaticResource xmlData},XPath=/StringList/*}">
            <ListView.View>
                <GridView>
                    <GridViewColumn Header="Id" Width="60" DisplayMemberBinding="{Binding XPath=@Id}"  />
                    <GridViewColumn Header="Id" Width="60" DisplayMemberBinding="{Binding XPath=Age}" />
                    <GridViewColumn Header="Id" Width="60" DisplayMemberBinding="{Binding XPath=Nub}" />
                </GridView>
            </ListView.View>
        </ListView>

 

截图

WPF 使用XML作为绑定源时Xaml注意事项

 

WPF 使用XML作为绑定源时Xaml注意事项

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