protected void btnChangeEncryptionPrivateKey_Click(object sender, EventArgs e)
 {
     if (Page.IsValid)
     {
         try
         {
             SecurityHelper.ChangeEncryptionPrivateKey(txtEncryptionPrivateKey.Text);
             lblChangeEncryptionPrivateKeyResult.Text = GetLocaleResourceString("Admin.GlobalSettings.Security.ChangeKeySuccess");
         }
         catch (Exception exc)
         {
             lblChangeEncryptionPrivateKeyResult.Text = exc.Message;
         }
     }
 }