コード例 #1
0
        public static void DataReaderTest(MainForm frm)
        {
            PFDB2     db = new PFDB2();
            string    connectionString = string.Empty;
            Stopwatch sw = new Stopwatch();

            try
            {
                db.ServerName   = frm.txtServerName.Text;
                db.DatabaseName = frm.txtDatabaseName.Text;
                db.PortNumber   = frm.txtPortNumber.Text;
                db.Username     = frm.txtUsername.Text;
                db.Password     = frm.txtPassword.Text;

                connectionString = db.ConnectionString;

                _msg.Length = 0;
                _msg.Append("Connection string is: \r\n");
                _msg.Append(connectionString);
                Program._messageLog.WriteLine(_msg.ToString());

                if (frm.txtSQLQuery.Text.Length == 0)
                {
                    throw new System.Exception("You must specify a SQL query to run.");
                }

                sw.Start();

                db.OpenConnection();

                db.SQLQuery = frm.txtSQLQuery.Text;
                if (frm.chkIsStoredProcedure.Checked)
                {
                    db.CommandType = CommandType.StoredProcedure;
                }
                else
                {
                    db.CommandType = CommandType.Text;
                }

                sw.Stop();
                _msg.Length = 0;
                _msg.Append("Open connection time: ");
                _msg.Append(sw.FormattedElapsedTime);
                Program._messageLog.WriteLine(_msg.ToString());


                Program._messageLog.WriteLine("\r\nRunning data extract tests ...\r\n");
                db.returnResultAsString += new PFDB2.ResultAsStringDelegate(OutputResultsToFile);
                if (_textFile.FileIsOpen)
                {
                    _textFile.CloseFile();
                }
                _textFile.OpenFile(@"c:\temp\ReaderDelimitedTestExtract.txt", PFFileOpenOperation.OpenFileForWrite);
                sw.Start();
                DB2DataReader rdr = (DB2DataReader)db.RunQueryDataReader();
                db.ExtractDelimitedDataFromDataReader(rdr, ",", "\r\n", true);
                sw.Stop();
                _msg.Length = 0;
                _msg.Append("Extract Delimiated Dataset time: ");
                _msg.Append(sw.FormattedElapsedTime);
                Program._messageLog.WriteLine(_msg.ToString());

                if (_textFile.FileIsOpen)
                {
                    _textFile.CloseFile();
                }
                _textFile.OpenFile(@"c:\temp\ReaderFixedLengthTestExtract.txt", PFFileOpenOperation.OpenFileForWrite);
                rdr.Close();

                sw.Start();
                rdr = (DB2DataReader)db.RunQueryDataReader();
                db.ExtractFixedLengthDataFromDataReader(rdr, true, true, false);
                sw.Stop();
                _msg.Length = 0;
                _msg.Append("Extract Fixed Length Dataset time: ");
                _msg.Append(sw.FormattedElapsedTime);
                Program._messageLog.WriteLine(_msg.ToString());

                if (_textFile.FileIsOpen)
                {
                    _textFile.CloseFile();
                }
                rdr.Close();

                rdr = (DB2DataReader)db.RunQueryDataReader();
                db.SaveDataReaderToXmlFile(rdr, @"c:\temp\Testrdr.xml");
                rdr.Close();
                rdr = (DB2DataReader)db.RunQueryDataReader();
                db.SaveDataReaderWithSchemaToXmlFile(rdr, @"c:\temp\Testrdrplus.xml");
                rdr.Close();
                rdr = (DB2DataReader)db.RunQueryDataReader();
                db.SaveDataReaderToXmlSchemaFile(rdr, @"c:\temp\Testrdr.xsd");
                rdr.Close();


                rdr = (DB2DataReader)db.RunQueryDataReader();
                PFDataProcessor dataProcessor = new PFDataProcessor();
                XmlDocument     xmlDoc        = dataProcessor.CopyDataTableToXmlDocument(db.ConvertDataReaderToDataTable(rdr));
                Program._messageLog.WriteLine("\r\n" + xmlDoc.OuterXml + "\r\n");
                rdr.Close();
            }
            catch (System.Exception ex)
            {
                frm.OutputErrorMessageToLog(ex);
            }
            finally
            {
                db.CloseConnection();
                db = null;
            }
        }