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.ComponentModel;
using System.ComponentModel.DataAnnotations;

namespace SilverlightClient
...{
    public class Employees: INotifyPropertyChanged
    ...{
        private int _EmployeeID;
        private string _EmployeeName;
        private int _EmployeeAge;
        private string _EmployeeTelephone;

        [Required(ErrorMessage="该字段为必填！")]
        [CustomValidation(typeof(EmployeeValidation), "IsValidID")]//这里用到了自定义验证，自定义验证类为EmployeeValidation.cs
        public int EmployeeID
        ...{
            get
            ...{
                return _EmployeeID;
            }
            set
            ...{
                if (value != _EmployeeID)
                ...{
                    _EmployeeID = value;
                    OnPropertyChanged("EmployeeID");
                }
            }
        }

        [Required(ErrorMessage = "该字段为必填！")]
        public string EmployeeName
        ...{
            get
            ...{
                return _EmployeeName;
            }
            set
            ...{
                if (value != _EmployeeName)
                ...{
                    _EmployeeName = value;
                    OnPropertyChanged("EmployeeName");
                }
            }
        }

        [Required(ErrorMessage = "该字段为必填！")]
        [Range(18,60,ErrorMessage = "输入的年龄范围有误(18-60)！\n请重新填写。")]
        public int EmployeeAge
        ...{
            get
            ...{
                return _EmployeeAge;
            }
            set
            ...{
                if (value != _EmployeeAge)
                ...{
                    _EmployeeAge = value;
                    OnPropertyChanged("EmployeeAge");
                }
            }
        }

        [Required(ErrorMessage = "该字段为必填！")]
        [RegularExpression(@"^\(\d\d\d\) \d\d\d\d\d\d\d\d$",ErrorMessage = "输入的电话格式不正确！\n请按(###) ########格式匹配输入。")]
        public string EmployeeTelephone
        ...{
            get
            ...{
                return _EmployeeTelephone;
            }
            set
            ...{
                if (value != _EmployeeTelephone)
                ...{
                    //用VS调试时，要在菜单Debug->Exception...，去掉Common Language Runtime Exception前面的勾，不然会报错。
                    Validator.ValidateProperty(value, new ValidationContext(this,null,null) ...{ MemberName = "EmployeeTelephone" });//跳出提示框显示出错原因
                    _EmployeeTelephone = value;
                    OnPropertyChanged("EmployeeTelephone");
                }
            }
        }

        INotifyPropertyChanged Members#region INotifyPropertyChanged Members

        public event PropertyChangedEventHandler PropertyChanged;

        protected virtual void OnPropertyChanged(string propName)
        ...{
            if (PropertyChanged != null)
            ...{
                PropertyChanged(this, new PropertyChangedEventArgs(propName));
            }
        }

        #endregion
    }
}

using ...System.ComponentModel.DataAnnotations;

namespace SilverlightClient
...{
    public class EmployeeValidation
    ...{
        public static ValidationResult IsValidID(int employeeid)
        ...{
            bool isValid;

            if (employeeid > 0)
                isValid = true;
            else
                isValid = false;

            if (isValid)
            ...{
                return ValidationResult.Success;
            }
            else
            ...{
                return new ValidationResult("输入的工号无效！");
            }
        }

    }
}

<UserControl
    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:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
    mc:Ignorable="d" xmlns:data="clr-namespace:System.Windows.Controls;assembly=System.Windows.Controls.Data" x:Class="SilverlightClient.MainPage"
    d:DesignWidth="320" d:DesignHeight="240">
    <Grid x:Name="LayoutRoot" Background="White" Width="320" Height="240">
        <data:DataGrid x:Name="dgEmployee" Margin="8" AutoGenerateColumns="False" FontSize="14">
            <data:DataGrid.Columns>
                <data:DataGridTextColumn Header="工号" Binding="{Binding EmployeeID}"/>
                <data:DataGridTextColumn Header="姓名" Binding="{Binding EmployeeName}"/>
                <data:DataGridTextColumn Header="年龄" Binding="{Binding EmployeeAge}"/>
                <data:DataGridTextColumn Header="电话" Binding="{Binding EmployeeTelephone}"/>
            </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;
using System.Windows.Data;

namespace SilverlightClient
...{
    public partial class MainPage : UserControl
    ...{
        public List GetEmployees()
        ...{
            List returnedValue = new List();
            returnedValue.Add(new Employees() ...{ EmployeeID = 1, EmployeeName = "张三", EmployeeAge = 23, EmployeeTelephone = "(001) 56891243" });
            returnedValue.Add(new Employees() ...{ EmployeeID = 2, EmployeeName = "李四", EmployeeAge = 24, EmployeeTelephone = "(002) 67453210" });
            returnedValue.Add(new Employees() ...{ EmployeeID = 3, EmployeeName = "王五", EmployeeAge = 25, EmployeeTelephone = "(010) 46782312" });
            returnedValue.Add(new Employees() ...{ EmployeeID = 4, EmployeeName = "赵六", EmployeeAge = 26, EmployeeTelephone = "(011) 78564254" });
            returnedValue.Add(new Employees() ...{ EmployeeID = 5, EmployeeName = "钱七", EmployeeAge = 27, EmployeeTelephone = "(020) 87465676" });
            returnedValue.Add(new Employees() ...{ EmployeeID = 6, EmployeeName = "孙八", EmployeeAge = 28, EmployeeTelephone = "(030) 97321687" });
            return returnedValue;
        }

        public MainPage()
        ...{
            InitializeComponent();
            this.Loaded += new RoutedEventHandler(MainPage_Loaded);
        }

        void MainPage_Loaded(object sender, RoutedEventArgs e)
        ...{
            dgEmployee.ItemsSource = GetEmployees();
        }
    }
}