<Grid x:Name="LayoutRoot"><TextBlock Height="23" HorizontalAlignment="Left" Margin="56,23,0,0" Text="用户编号：" VerticalAlignment="Top" /><TextBlock Height="23" HorizontalAlignment="Left" Margin="56,110,0,0"  Text="出生年月:" VerticalAlignment="Top" /><TextBlock Height="23" HorizontalAlignment="Left" Margin="56,81,0,0"  Text="用户年龄:" VerticalAlignment="Top" /><TextBlock Height="23" HorizontalAlignment="Left" Margin="56,52,0,0"  Text="用户名称：" VerticalAlignment="Top" /><Rectangle Height="185" HorizontalAlignment="Left" Margin="44,9,0,0" Name="rectangle1" Stroke="Black" StrokeThickness="1" VerticalAlignment="Top" Width="351" /><TextBox Height="23" Text="{Binding UserCode,Mode=TwoWay,ValidatesOnExceptions=True,NotifyOnValidationError=True}" HorizontalAlignment="Left" Margin="127,21,0,0" Name="txtUserCode" VerticalAlignment="Top" Width="120" /><sdk:DescriptionViewer Margin="253,20,245,440" Height="20" Triggers="{Binding ElementName=txtUserCode}" PropertyPath="UserCode"></sdk:DescriptionViewer><TextBox  Text="{Binding UserAge,Mode=TwoWay,ValidatesOnExceptions=True,NotifyOnValidationError=True}" Height="23" HorizontalAlignment="Left" Margin="127,81,0,0" Name="txtUserAge" VerticalAlignment="Top" Width="120" /><sdk:DescriptionViewer Height="20" Margin="253,84,245,376"  Triggers="{Binding ElementName=txtUserAge}" PropertyPath="UserAge"/><TextBox  Text="{Binding UserName,Mode=TwoWay,ValidatesOnExceptions=True,NotifyOnValidationError=True}" Height="23" HorizontalAlignment="Left" Margin="127,52,0,0" Name="txtUserName" VerticalAlignment="Top" Width="120" /><sdk:DescriptionViewer Height="20" Margin="253,52,245,408" Triggers="{Binding ElementName=txtUserName}" PropertyPath="UserName" /><sdk:DatePicker  Text="{Binding UserBorthDay,Mode=TwoWay,ValidatesOnExceptions=True,NotifyOnValidationError=True}" Height="23" HorizontalAlignment="Left" Margin="127,110,0,0" Name="txtUserBorthDay" VerticalAlignment="Top" Width="120" /><sdk:DescriptionViewer Height="20" Margin="253,113,245,347" Triggers="{Binding ElementName=txtUserBorthDay}" PropertyPath="UserBorthDay" /><sdk:ValidationSummary Margin="44,137,245,288"></sdk:ValidationSummary></Grid>

using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
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;
using System.Windows.Navigation;namespace SLDemo3.Views
{public partial class Page1 : Page{public Page1(){InitializeComponent();this.DataContext = new UserInfo(1001, "赵大", 23, DateTime.Now);}// 当用户导航到此页面时执行。protected override void OnNavigatedTo(NavigationEventArgs e){}}/// <summary>/// 用户信息/// </summary>public class UserInfo{/// <summary>/// 用户编号/// </summary>private int _UserCode;/// <summary>/// 用户名称/// </summary>private string _UserName;/// <summary>/// 用户年龄/// </summary>private int _UserAge; /// <summary>/// 出生年月/// </summary>private DateTime _UserBorthDay;public UserInfo(int usercode, string username, int userage, DateTime userborthday){_UserCode = usercode;_UserName = username;_UserAge = userage;_UserBorthDay = userborthday;}[Display(Name = "UserCode",Description = "请输入正确的用户编号！在1000到9999之间！")]   //显示[Range(1000, 9999, ErrorMessage = "请输入正确的用户编号！在1000到9999之间！")]public int UserCode{get { return _UserCode; }set{Validator.ValidateProperty(value,new ValidationContext(this,null,null){MemberName = "UserCode"});_UserCode = value;}}[Display(Name = "UserName",Description = "用户名称！")][Required(ErrorMessage = "请输入正确的用户名！")]public string UserName{get { return _UserName; }set{Validator.ValidateProperty(value,new ValidationContext(this,null,null){MemberName = "UserName"});_UserName = value;}}[Display(Name = "UserAge",Description = "用户年龄！在18到90之间！")][Range(18, 90, ErrorMessage = "用户年龄！在18到90之间！")]public int UserAge{get { return _UserAge; }set{Validator.ValidateProperty(value,new ValidationContext(this,null,null){MemberName = "UserAge"});_UserAge = value;}}[Display(Name = "UserBorthDay", Description = "出生年月！")]public DateTime UserBorthDay{get { return _UserBorthDay; }set{Validator.ValidateProperty(value,new ValidationContext(this,null,null){MemberName = "UserBorthDay"});_UserBorthDay = value;}}}
}