Excel File gets Locked using OLE2

Dear all ,
We are working with 10g forms
We are trying to load data from Excel file into a form using OLE2 . We are able to load the data from Excel File .
Here we try to read the first row of the excel file and verify for a title to be present
if not present we close the file . we have used the OLE2.Release_OBJ
declare
application ole2.obj_type;
workbooks ole2.obj_type;
workbook ole2.obj_type;
worksheet ole2.obj_type;
cell ole2.obj_type;
args ole2.list_type;
Check_file text_io.file_type;
no_file exception;
PRAGMA exception_INIT (no_file, -302000);
cell_value varchar2(2000);
begin
Lv_F_File_Type := Text_Io.Fopen(:Cb_Input.Ti_v_File_name,'R');
application:= ole2.create_obj('Excel.Application');
workbooks := ole2.get_obj_property(application, 'Workbooks');
args:= ole2.create_arglist;
ole2.add_arg(args, :Cb_Input.Ti_v_File_name);
workbook := ole2.invoke_obj(workbooks, 'Open', args);
ole2.destroy_arglist(args);
--Open worksheet Sheet1 of that Workbook
args:= ole2.create_arglist;
ole2.add_arg(args, 'Sheet1');
worksheet := ole2.get_obj_property(workbook, 'Worksheets', args);
ole2.destroy_arglist(args);
args:= ole2.create_arglist;
ole2.add_arg(args, Lv_n_rows);-- lv_n_rows value is 1
ole2.add_arg(args, 1);
cell:= ole2.get_obj_property(worksheet, 'Cells', args);
ole2.destroy_arglist(args);
cell_value :=ole2.get_char_property(cell, 'Value');
Lv_v_Title:=cell_value;
if Upper(Lv_v_Title) <> Upper(Lpk_Var.Lv_v_File_Name_Parameter) then
Lpk_Alert.Lp_Show('File Title Should be '||Lpk_Var.Lv_v_File_Name_Parameter);
OLE2.RELEASE_OBJ(cell);
OLE2.INVOKE(workbook ,'Close');
OLE2.RELEASE_OBJ(worksheet);
OLE2.RELEASE_OBJ(workbook);
OLE2.RELEASE_OBJ(workbooks);
OLE2.INVOKE(application, 'Quit');
OLE2.RELEASE_OBJ(application);*/
end if;
After this we open the excel , and modify and try to save , it just waits ...
we are forced to close the form. and then only the excel file gets saved...
we need to modify the file , when the form is running and then upload the data..
since the objects are closed , we are unable to understand why the excel file is locked till the session
Can any one help us
SSR

Hi,
Running on Business Object Enterprise XI 3.1 FP1.5.

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using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
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Have Data Flow2 -
Export SQL Table to XML by using FOR XML clause in your SELECT statement.
FOR XML clauses has several options such as RAW/AUTO or specify the ROOT and then you get the XML the way you want.
Another option is to use 3rd party Cozyroc -
Template Task
Cheers,
Vaibhav Chaudhari
[MCTS],
[MCP]

Is there any way to read the data from an excel file w/o using a loop structure?

I am retrieving a large amount of data (multiple sheets) from an excel file and would like to extract the entire range without retrieving individual cell values(too slow). I can write an range all at once but cannot read it.

If you are able to write a block of data, then you should be able to read a block. The four requirements that you want to verify are:
1. The Range specified must match the exact size and location of the data block you want to read
2. The returned data is in a 2D array of Variants (either strings or numbers)
3. Use Variant to Data to convert to 2D DBL or 2D Strings
4. Check for the correct orientation for your application (use transpose if it is not)
Michael Munroe
Certified LabVIEW Developer
www.abcdef.biz
Michael Munroe, ABCDEF
Certified LabVIEW Developer, MCP
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