static MachineKeyWrapper()
{
MachineKeySection config = (MachineKeySection)ConfigurationManager.GetSection("system.web/machineKey");
Type machineKeyType = config.GetType().Assembly.GetType("System.Web.Configuration.MachineKeySection");
BindingFlags bf = BindingFlags.NonPublic | BindingFlags.Static;
_encrypt = typeof(System.Web.UI.Page).GetMethod("EncryptString", bf, null, new[] { typeof(string) }, null);
_decrypt = typeof(System.Web.UI.Page).GetMethod("DecryptString", bf, null, new[] { typeof(string) }, null);
}