SilverLight: 数据绑定(1)-绑定到数据对象

ylbtech-SilverLight-DataBinding: Binding to Data Objects(绑定到数据对象)

1.A, Building a Data Object(创建一个数据对象)

1.B, Displaying a Data Object with Datacontext(显示一个数据对象与DataContext)

1.C, Storing a Data Object as a Resource(存储一个数据对象作为一个资源)

1.D, Editing with Two-Way Bindings(编辑与双向绑定)[未实现]

1.A, Building a Data Object(创建一个数据对象)返回顶部

<!--用户空间资源 begin-->
<!--remark:请在UserControl 里注册引用空间 xmlns:local="clr-namespace:SLYlbtechApp.Access"-->
<!--Problem:UnitPrice 类型转换异常-->
<UserControl.Resources>
<local:Product x:Name="resourceProduct" ProductId="100" ProductName="苹果" QuantityPerUnit="1斤" UnitPrice="7"
Description="一天一个苹果，病害远离我。"></local:Product>
</UserControl.Resources>
<!--用户空间资源 end-->

<Grid x:Name="LayoutRoot" Background="White">
<Grid x:Name="gridDetailProduct" DataContext="{StaticResource resourceProduct}">
<Grid.RowDefinitions>
<RowDefinition Height="Auto"></RowDefinition>
<RowDefinition Height="Auto"></RowDefinition>
<RowDefinition Height="Auto"></RowDefinition>
<RowDefinition Height="Auto"></RowDefinition>
<RowDefinition Height="Auto"></RowDefinition>
<RowDefinition Height="*"></RowDefinition>
</Grid.RowDefinitions>
<Grid.ColumnDefinitions>
<ColumnDefinition Width="115"></ColumnDefinition>
<ColumnDefinition Width="*"></ColumnDefinition>
</Grid.ColumnDefinitions>
<TextBlock Grid.Row="0" Grid.Column="0" Margin="7">Product Id:</TextBlock>
<TextBox Grid.Row="0" Grid.Column="1" Margin="5" Text="{Binding ProductId}"></TextBox>

<TextBlock Grid.Row="1" Grid.Column="0" Margin="7">Product Name:</TextBlock>
<TextBox Grid.Row="1" Grid.Column="1" Margin="5"
Text="{Binding ProductName,Source={StaticResource resourceProduct}}"></TextBox>

<TextBlock Grid.Row="2" Grid.Column="0" Margin="7">Quantity Per Unit:</TextBlock>
<TextBox Grid.Row="2" Grid.Column="1" Margin="5" Text="{Binding QuantityPerUnit}"></TextBox>

<TextBlock Grid.Row="3" Grid.Column="0" Margin="7">Unit Price:</TextBlock>
<TextBox Grid.Row="3" Grid.Column="1" Margin="5" Text="{Binding UnitPrice}"></TextBox>

<TextBlock Grid.Row="4" Grid.Column="0" Margin="7">Description:</TextBlock>
<TextBox Grid.Row="4" Grid.Column="1" Grid.RowSpan="2" Margin="5"
Text="{Binding Description}" TextWrapping="Wrap" ></TextBox>
</Grid>
</Grid>

View Code
2.3/3,[无]

3,
<TextBox Grid.Row="1" Grid.Column="1" Margin="5" Text="{Binding ProductName}"></TextBox>
上下代码效果等同
<TextBox Grid.Row="1" Grid.Column="1" Margin="5" Text="{Binding ProductName,Source={StaticResource resourceProduct}}"></TextBox>
4,

1.D, Editing with Two-Way Bindings(编辑与双向绑定)[未实现]返回顶部

1,
2,

2.1/3,
2.2/3,
2.3/3,

3,
4,

1.E, 返回顶部

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