洪星的博客（原创版，新闻除外）

 1 using System;
 2  using System.Text.RegularExpressions;
 3 
 4  namespace Hongcing
 5 {
 6     /// <summary>
 7     /// 验证公民身份号码/身份证号码升位
 8     /// </summary>
 9     public static class VerifyIdCard
10     {
11         static readonly int[] iW = { 7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2 };
12         //static readonly char[] szVerCode ={ '1', '0', 'X', '9', '8', '7', '6', '5', '4', '3', '2' };
13         static readonly string szVerCode = "10X98765432";
14 
15         /// <summary>
16         /// 获取校验码
17         /// </summary>
18         /// <param name="id">17位字符串</param>
19         /// <returns>返回的校验码</returns>
20         private static char GetVerifyCode(string id)
21         {
22             if (!Regex.IsMatch(id, @"^\d{17}$"))
23                 throw new ArgumentException("必须是17位数字", "id");
24 
25             int iS = 0;
26             for (int i = 0, j = 0; i < id.Length && j < iW.Length; i++, j++)
27             {
28                 int iA = id[i] - '0';
29                 iS += iA * iW[j];
30             }
31             int iY = iS % 11;
32             return szVerCode[iY];
33         }
34 
35         /// <summary>
36         /// 公民身份号码 15 位升级为 18 位
37         /// </summary>
38         /// <param name="id">15 位公民身份号码</param>
39         /// <returns>18 位公民身份号码</returns>
40         public static string Upgrade(string id)
41         {
42             if (!Regex.IsMatch(id, @"^\d{15}$"))
43                 throw new ArgumentException("必须是15位数字", "id");
44 
45             string tempId = id.Insert(6, "19");
46             string newId = tempId + GetVerifyCode(tempId);
47             return newId;
48         }
49 
50         /// <summary>
51         /// 验证 18 位公民身份号码是否有效
52         /// </summary>
53         /// <param name="id">18 位公民身份号码</param>
54         /// <returns>有效为 true，无效为 false</returns>
55         public static bool Verify(string id)
56         {
57             if (!Regex.IsMatch(id, @"^\d{17}[0-9X]$"))
58                 throw new ArgumentException("必须是18位数字或者前17位为数字最后一位为大写字母 X", "id");
59 
60             string tempId = id.Substring(0, 17);
61             char oldVerifyCode = id[17];
62             char newVerifyCode = GetVerifyCode(tempId);
63             return oldVerifyCode == newVerifyCode;
64         }
65     }
66 }
67 

<UserControl x:Class="Hongcing.SilverlightApplication.MainPage"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
    <Grid Loaded="LayoutRoot_Loaded" />
</UserControl>

 1 using System.Windows;
 2  using System.Windows.Controls;
 3  using System.Windows.Markup;
 4 
 5  namespace Hongcing.SilverlightApplication
 6 {
 7     public partial class MainPage : UserControl
 8     {
 9         public MainPage()
10         {
11             InitializeComponent();
12         }
13 
14         private void LayoutRoot_Loaded(object sender, RoutedEventArgs e)
15         {
16             Panel panel = sender as Panel;
17 
18             //注意：
19             //XAML 内容字符串必须定义单个根元素；必须是格式良好的 XML，并且必须是有效的 XAML。
20             //根元素必须指定某一默认的 XML 命名空间。
21             //通常是 Silverlight 命名空间 xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"。
22             string xaml = "<TextBlock xmlns='http://schemas.microsoft.com/winfx/2006/xaml/presentation'>Hello World!</TextBlock>";
23             UIElement element = XamlReader.Load(xaml) as UIElement;
24             panel.Children.Add(element);
25         }
26     }
27 }
28 

<!--适用于 Visual Studio 2008 及后续版本-->
<!--（C# 项目）-->
<Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
<!--（VB 项目）-->
<Import Project="$(MSBuildToolsPath)\Microsoft.VisualBasic.targets" />




<!--适用于 Visual Studio 2005 及后续版本-->
<!--（C# 项目）-->
<Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
<!--（VB 项目）-->
<Import Project="$(MSBuildBinPath)\Microsoft.VisualBasic.targets" />
 



<!--以上仅对以 *.cs 或 *.vb 文件为主的项目试验通过，未对包含 *.aspx、*.xaml 等项目试验-->