Silverlight DataGrid行验证，直接是代码 不解释了

<UserControl xmlns:data="http://schemas.microsoft.com/winfx/2006/xaml/presentation/sdk" x:Class="SilverlightApplication2.MainPage"

xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"

xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"

xmlns:d="http://schemas.microsoft.com/expression/blend/2008"

xmlns:dataInput="clr-namespace:System.Windows.Controls;assembly=System.Windows.Controls.Data.Input"

xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"

mc:Ignorable="d"

d:DesignHeight="300" d:DesignWidth="400">

<Grid x:Name="LayoutRoot" Background="White">

<Grid.RowDefinitions>

<RowDefinition Height="*"/>

<RowDefinition Height="*"/>

</Grid.RowDefinitions>

<dataInput:ValidationSummary Grid.Row="0" x:Name="vsValidationSummary"/>

<data:DataGrid Grid.Row="1" RowEditEnding="dgValidationDemo_RowEditEnding" x:Name="dgValidationDemo" RowEditEnded="dgValidationDemo_RowEditEnded"

AutoGenerateColumns="False"

Margin="10" Width="350" Height="300"

>

<data:DataGrid.Columns>

<data:DataGridTextColumn Header="用户名" Binding="{Binding Name,Mode=TwoWay}"/>

<data:DataGridTextColumn Header="密码" Binding="{Binding password,Mode=TwoWay}" />

<data:DataGridTextColumn Header="年龄" Binding="{Binding Age,Mode=TwoWay}"/>

<data:DataGridTextColumn Header="电子邮件" Binding="{Binding email,Mode=TwoWay}" />

</data:DataGrid.Columns>

</data:DataGrid>

</Grid>

</UserControl>

using System;

using System.Collections.Generic;

using System.Linq;

using System.Net;

using System.Windows;

using System.Windows.Controls;

using System.Windows.Documents;

using System.Windows.Input;

using System.Windows.Media;

using System.Windows.Media.Animation;

using System.Windows.Shapes;

namespace SilverlightApplication2

{

public partial class MainPage : UserControl

{

public MainPage()

{

InitializeComponent();

this.dgValidationDemo.ItemsSource = User.GeeList();

}

private void dgValidationDemo_RowEditEnding(object sender, DataGridRowEditEndingEventArgs e)

{

User u = e.Row.DataContext as User;

vsValidationSummary.Errors.Clear();

if (u.Name < 3)

{

vsValidationSummary.Errors.Add(new ValidationSummaryItem("222"));

vsValidationSummary.Errors.Add(new ValidationSummaryItem("11"));

e.Cancel = true;

}

}

private void dgValidationDemo_RowEditEnded(object sender, DataGridRowEditEndedEventArgs e)

{

}

}

}

using System;

using System.Net;

using System.Windows;

using System.Windows.Controls;

using System.Windows.Documents;

using System.Windows.Ink;

using System.Windows.Input;

using System.Windows.Media;

using System.Windows.Media.Animation;

using System.Windows.Shapes;

using System.Collections.Generic;

namespace SilverlightApplication2

{

public class User

{

public int Name { get; set; }

public static List<User> GeeList() {

List<User> list = new List<User>();

list.Add(new User { Name = 1 });

list.Add(new User { Name = 5 });

list.Add(new User { Name = 4 });

list.Add(new User { Name = 3 });

list.Add(new User { Name = 2 });

list.Add(new User { Name = 1 });

return list;

}

}

}