private void Button_Click(object sender, RoutedEventArgs e)
        {
            ChangePasswords w    = new ChangePasswords();
            SqlConnection   con1 = new SqlConnection(PublicVar.ConnectionString);

            con1.Open();

            SqlCommand myCommand   = new SqlCommand("Select (Password) from LockTable where Username = '******'", con1);
            object     result      = myCommand.ExecuteScalar();
            string     OldPassword = Regex.Replace(Convert.ToString(result), @"\s+", "");



            if (PasswordID.Text.Trim() != "" && PasswordID2.Text.Trim() != "" && CurrentPassword.Text.Trim() != "")
            {
                if (CurrentPassword.Text.Trim() == OldPassword)            // true
                {
                    if (PasswordID.Text.Trim() == PasswordID2.Text.Trim()) // true
                    {
                        string     newpassword  = PasswordID.Text.Trim();
                        SqlCommand Commandcmdsz = new SqlCommand("update LockTable set Password = '******' Where Username = '******'", con1);
                        Commandcmdsz.ExecuteScalar();
                        MessageBox.Show("رمز عبور شما با موفقیت تغیر کرد", "اطلاعات اکانت");
                        con1.Close();
                        Close();
                    }
                    else
                    {
                        MessageBox.Show("رمز های عبور یکسان نیستند");
                        PasswordID.Focus();
                    }
                }
                else
                {
                    MessageBox.Show("رمز عبور قبلی شما درست نیست", "اطلاعات اکانت");
                    CurrentPassword.Focus();
                }
            }
            else
            {
                MessageBox.Show("قسمت های خالی را پر کنید");
                PasswordID.Focus();
                PasswordID2.BorderBrush = Brushes.Red;
                PasswordID.BorderBrush  = Brushes.Red;
            }
            con1.Close();
        }
 public void AddKey(byte[] ID, string Key)
 {
     PasswordID.Add(ConvertID(ID));
     RecoveryKey.Add(Key);
 }