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  private void buttonchangecode_Click(object sender, EventArgs e)
        {
            string strcon = global::codechange.Properties.Settings.Default.passwordchangeConnectionString;
            OleDbConnection strconnection = new OleDbConnection(strcon);
            string sqlupdate="update ²Ù×÷Óû§ set ÃÜÂë='welcome' where µÇ¼Ãû='dance'";
            string sqlselect="select ÃÜÂë from ²Ù×÷Óû§ where µÇ¼Ãû='dance'";
            OleDbCommand strcommand = new OleDbCommand(sqlselect, strconnection);
            strcommand.Connection.Open();
          int numm=(int)strcommand.ExecuteNonQuery();
          textnewconfim.Text = numm.ToString();
            textnewconfim.Text=strcommand.ExecuteScalar().ToString();
        }
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