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)        {        }    }    /// 
    /// 用户信息    /// 
    public class UserInfo    {        /// 
        /// 用户编号        /// 
        private int _UserCode;        /// 
        /// 用户名称        /// 
        private string _UserName;        /// 
        /// 用户年龄        /// 
        private int _UserAge;         /// 
        /// 出生年月        /// 
        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;            }        }    }}

ValidationSummary 控件显示给定容器的验证错误的合并列表。

DisplayAttribute 特性应用于属性以指定用于增强这些属性值的显示的值