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Oracle COM Automation Excel Charts [message #240775] Fri, 25 May 2007 13:48
scada
Messages: 1
Registered: May 2007
Junior Member
Hi All

I read and manged to get all the COM Demos working from the COM Automation Feature Developer's Guide <http://www.oracle.com/pls/db102/to_toc?pathname=win.102%2Fb14310%2Ftoc.htm&remark=portal+%28Windows%29>.

I have changed the Excel Demo to match what I want to use in my Database. Everything works great except the Excel Chart portion. I what to have Chart Type line but when I use 'xlLine', the chart still produces a bar chart. It's the same when I use xl3DLine.

Does anyone know how to produce a Line Chart in Excel using Oracle COM Automation?

I am using Windows Server 2003, Office Standard Edition 2003, and Oracle 10.2

My modified sql is




set serveroutput on;
declare

CURSOR c1 IS
SELECT time, flow
FROM RT_FLOW_TEST
WHERE time > to_date('31-dec-2006','dd-mon-yyyy')
ORDER BY time;

error_message varchar2(1200);
n binary_integer:=2;
i binary_integer;
filename varchar2(255);
cellIndex varchar2(40);
cellValue varchar2(40);
cellColumn varchar2(10);
returnedTime varchar2(20);
currencyvalue double precision;
datevalue DATE;


looptext varchar2(20);

error_src varchar2(255);
error_description varchar2(255);
error_helpfile varchar2(255);
error_helpID binary_integer;

begin
filename:='c:\reports\2007\overnight\meadowlandsflow';
i:=ORDExcel.CreateExcelWorkSheet('');
i:=ORDExcel.InsertData('A1', 'Day', 'BSTR');
i:=ORDExcel.InsertData('B1', 'Flow', 'BSTR');


For c1_rec IN c1 LOOP

cellColumn:=TO_CHAR(n);

cellIndex:=CONCAT('A',cellColumn);
dateValue:=c1_rec.time;
i:=ORDExcel.InsertData(cellIndex, dateValue, 'DATE');


cellIndex:=CONCAT('B',cellColumn);
cellValue:=c1_rec.flow;
i:=ORDExcel.InsertData(cellIndex, cellValue, 'BSTR');



n:=n+1;
END LOOP;
i:=ORDExcel.InsertChart(100,10,400,400,'Sheet2!$B$2:$B$365,Sheet2!$A$2:$A$365','xlLine');

select TO_CHAR(SYSDATE, 'DD-MON-YYYY') into returnedTime from dual;
filename:=CONCAT(filename, returnedTime);

i:=ORDExcel.SaveExcelFile(filename);
i:=ORDExcel.ExitExcel();
end;
/


Any help is much appreciated.

Cheers

Brad
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