SilverLight：基础控件使用（2）-ComboBox,ListBox控件

ylbtech-SilverLight-Basic-Control：基础控件使用（2）-ComboBox,ListBox控件

 直接在 XAML 代码中设置 Items 和通过后台代码绑定数据源

ComboBox,ListBox

1.A,返回顶部ComboBox（下拉列表框）

1,

<ComboBox Height="23" HorizontalAlignment="Left" Margin="46,45,0,0"

          Name="comboBox1" VerticalAlignment="Top" Width="120" ItemsSource="{Binding}">

    <ComboBoxItem Content="北京" />

    <ComboBoxItem Content="上海" IsSelected="True" />

    <ComboBoxItem Content="济南" />

</ComboBox>

<dataInput:Label Height="18" HorizontalAlignment="Left" Margin="46,82,0,0"

                    Name="label1" VerticalAlignment="Top" Width="100" />

<ComboBox Height="23" HorizontalAlignment="Left" Margin="48,111,0,0"

            Name="comboBox2" VerticalAlignment="Top" Width="120" />

2, Name,Height,Width,

Content,IsSelected[设为默认选项]

3,

//取值

ComboBoxItem cbi = (ComboBoxItem)comboBox1.SelectedItem;

label1.Content = cbi.Content;



#region 城市数据源

IList<ComboBoxItem> cbis = new List<ComboBoxItem>();

cbis.Add(new ComboBoxItem() { Content="shanghai" });

cbis.Add(new ComboBoxItem() { Content = "beijing" });

cbis.Add(new ComboBoxItem() { Content = "ji'nan", IsSelected=true});

#endregion

//数据绑定

comboBox2.ItemsSource = cbis;

4,

1.B,返回顶部 ListBox（列表框）

1,

<ListBox Height="76" HorizontalAlignment="Left" Margin="64,12,0,0"

            Name="listBox1" VerticalAlignment="Top" Width="120">

    <ListBoxItem Content="上海" />

    <ListBoxItem Content="北京" IsSelected="True" />

    <ListBoxItem Content="济南" />

</ListBox>

<dataInput:Label Height="18" HorizontalAlignment="Left" Margin="72,94,0,0"

            Name="label1" VerticalAlignment="Top" Width="100" />

<ListBox Height="74" HorizontalAlignment="Left" Margin="64,118,0,0"

            Name="listBox2" VerticalAlignment="Top" Width="120" />

2,Name,Height,Width,

Content,IsSelected[设为默认选项]

3,

//取值

ListBoxItem lbi = (ListBoxItem)listBox1.SelectedItem;

label1.Content = lbi.Content;



#region 城市数据源

IList<ListBoxItem> lbis = new List<ListBoxItem>();

lbis.Add(new ListBoxItem() { Content = "shanghai" });

lbis.Add(new ListBoxItem() { Content = "beijing" });

lbis.Add(new ListBoxItem() { Content = "ji'nan", IsSelected = true });

#endregion

//数据绑定

listBox2.ItemsSource = lbis;

4,

1.C,返回顶部

 

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