public static void DataReaderToDataTableTest(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());
sw.Start();
DB2DataReader rdr = (DB2DataReader)db.RunQueryDataReader();
DataTable tab = db.ConvertDataReaderToDataTable(rdr);
Program._messageLog.WriteLine("Table columns count: " + tab.Columns.Count.ToString());
rdr.Close();
for (int i = 0; i < tab.Rows.Count; i++)
{
DataRow r = tab.Rows[i];
_msg.Length = 0;
int maxColInx = tab.Columns.Count - 1;
for (int ci = 0; ci <= maxColInx; ci++)
{
_msg.Append(tab.Columns[ci].ColumnName);
_msg.Append(": ");
_msg.Append(r[ci].ToString());
if (ci < maxColInx)
{
_msg.Append(", ");
}
}
Program._messageLog.WriteLine(_msg.ToString());
}
sw.Stop();
_msg.Length = 0;
_msg.Append("Table read time: ");
_msg.Append(sw.FormattedElapsedTime);
Program._messageLog.WriteLine(_msg.ToString());
}
catch (System.Exception ex)
{
frm.OutputErrorMessageToLog(ex);
}
finally
{
db.CloseConnection();
db = null;
}
}
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;
}
}