void Page_Load(object o, EventArgs e){
  OleDbConnection Connection  = new OleDbConnection();
  Connection.ConnectionString = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source="
                                                +Page.Server.MapPath("database/db.mdb") + ";";
  Connection.Open();

  if(Page.IsPostBack){
    OleDbCommand myCommand;
    string sqlString="Update tbTest Set fldContent=? Where id=?";
    myCommand=new OleDbCommand(sqlString,Connection);

    myCommand.Parameters.Add(new OleDbParameter("@fldContent",OleDbType.VarChar));
    myCommand.Parameters["@fldContent"].Value=editor.Content;  // save Editor content
    myCommand.Parameters.Add(new OleDbParameter("@id",OleDbType.Integer));
    myCommand.Parameters["@id"].Value = 1;

    myCommand.ExecuteNonQuery();
  }
  else{
    string sqlString="Select fldContent from tbTest Where id=1";
    OleDbDataAdapter eAdapter=new OleDbDataAdapter(sqlString,Connection);
    DataTable eTable = new DataTable();
    OleDbCommandBuilder CommandBuilder = new OleDbCommandBuilder(eAdapter);

    eAdapter.Fill(eTable);
    editor.Content=(string)eTable.Rows[0][0]; // set Editor content

    eAdapter.Dispose();
    eTable.Dispose();
  }
  Connection.Close();
  Connection.Dispose();
}