数据绑定新的功能。
1.数据格式化
<TextBox
Margin="5"
Grid.Row="1"
Text="{Binding DecimalValue, StringFormat='##.###'}" />
<TextBox
Margin="5"
Grid.Row="2"
Text="{Binding DateValue, StringFormat='MMM dd, yyyy'}" />
<TextBox
Margin="5"
Grid.Row="3"
Text="{Binding DecimalValue, StringFormat='c'}" />
2.TargetNullValue
<TextBox Text="{Binding ValueName, TargetNullValue='Value is Null'}" />
3.FallbackValue
<TextBox Text="{Binding ValueName, FallbackValue='Value Not Found'}" />