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Understanding Single Sign-On in ASP.NET 2.0
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Published: 16 Jan 2008
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using System.Web.Script.Services;
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using System;
using System.Configuration;
using System.Web;
using System.Globalization;
namespace JNYW.StuM.SqlInject
{
    public class SqlstrAny : IHttpModule
    {       
        public void Init(HttpApplication application)
        {
            application.BeginRequest += (new
            EventHandler(this.Application_BeginRequest));
   ......

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using System;
using System.Configuration;
using System.Web;
using System.Globalization;
namespace JNYW.StuM.SqlInject
{
    public class SqlstrAny : IHttpModule
    {       
        public void Init(HttpApplication application)
        {
            application.BeginRequest += (new
            EventHandler(this.Application_BeginRequest));
   ......

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public partial class CheckCode : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
this.CreateCheckCodeImage(GenerateCheckCode());
}

private string GenerateCheckCode()
{
int number;
char code;
string checkCode = String.Empty;
System.Random random = new Random();
for (int i = 0; i < 4; i++)
{
number = random.Next();
if (number % 2 == 0)
code = (char)('0' + (char)(number % 10));
else
code = (char)('A' + (char)(number % 26));
checkCode += code.ToString();
}
//Response.Cookies.Add(new HttpCookie("CheckCode", checkCode));
Session["CheckCode"] ......
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