void __fastcall TDM::SelectTrend(String strSelectCH, String strTbl, double dblStart, double dblStop)
{
	String strSQL;
	String strStart = FormatDateTime("yyyy-mm-dd HH:NN:SS", dblStart);
	String strStop  = FormatDateTime("yyyy-mm-dd HH:NN:SS", dblStop);

	strSQL = "SELECT DT," + strSelectCH + " FROM " + strTbl;
	strSQL += " WHERE ( DT BETWEEN ";
	strSQL += "'" + strStart + "'"+ " AND " + "'" + strStop + "')";

try {
	IBDataSetTrend->Close();
	IBDataSetTrend->SelectSQL->Clear();
	IBDataSetTrend->SelectSQL->Add(strSQL);
	IBDataSetTrend->Open();

	TIBOutputDelimitedFile *pDelimitedFile = new TIBOutputDelimitedFile;
	try {
		pDelimitedFile->Filename = "C:\\TEST.TXT";
		pDelimitedFile->ColDelimiter = ",";
		IBDataSetTrend->BatchOutput(pDelimitedFile);
	} __finally {
		delete pDelimitedFile;
	}
}
catch (Exception &exception) {
	ErrorLog( exception, strSQL );
}

}