1.editrole.aspx頁面中的代碼.
protected void Page_Load(object sender, EventArgs e)
{
this.txtUserName.Text = this.UserName;
//this.Description.Text = ReponseXML();
if (!IsPostBack)
{
ShowUserInfo();
this.WirteCookie();
}

}

public void WirteCookie()
{

//加密程序提供程序的名稱
string symmProvider = "DESCryptoServiceProvider";
//需要加密的xml字符串
string stringToEncrypt = this.ReponseXML();
//加密后的字符串
string encryptedContentsBase64 = Cryptographer.EncryptSymmetric(symmProvider, stringToEncrypt);

//寫cookies
Response.Cookies["UserSettings"]["uid"] = encryptedContentsBase64;

Response.Cookies["UserSettings"]["ur"] =this.UserRole;
Response.Cookies["UserSettings"].Expires = DateTime.Now.AddHours(1);

}

//與flash進行交互的頁面.
[WebService(Namespace = "http://tempuri.org/")]
[WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)]
public class XmlRepley : IHttpHandler
{

public void ProcessRequest(HttpContext context)
{
context.Response.ContentType = "text/xml";
// context.Response.Write("Hello World");

string symmProvider = "DESCryptoServiceProvider";
string stringToEncrypt = this.GetUID(context);
string decryptedContentsBase64 = Cryptographer.DecryptSymmetric(symmProvider, stringToEncrypt);

context.Response.Write(decryptedContentsBase64);
}

public string GetUID(HttpContext context)
{
string uid = String.Empty;
if (context.Request.Cookies["UserSettings"] != null)
{

if (context.Request.Cookies["UserSettings"]["uid"] != null)
{ uid =context.Request.Cookies["UserSettings"]["uid"]; }

}
return uid;

}
public bool IsReusable
{
get
{
return false;
}
}
}