| read content xls file into my form? [message #608096] |
Sat, 15 February 2014 05:14 |
meteo
Messages: 89
Registered: April 2010
Location: beirut
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Member |
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i try to read xls file and fetch it's content to my form specificaly in the block item (:BIN_DOCS.desc_mv_dtl) at runtime when i call this procedure
there is no error but when the cursor reach the instruction application := Client_OLE2.create_obj('Excel.Application') the application excel
is not runing ?? any suggestion about this issu?? thank you.
PROCEDURE p90_ IS
application Client_OLE2.Obj_Type;
workbooks Client_OLE2.Obj_Type;
workbook Client_OLE2.Obj_Type;
worksheets Client_OLE2.Obj_Type;
worksheet Client_OLE2.Obj_Type;
worksheet2 Client_OLE2.Obj_Type;
cell Client_OLE2.OBJ_TYPE;
args Client_OLE2.OBJ_TYPE;
cell_value varchar2(100);
num_wrkshts NUMBER;
wksht_name VARCHAR2(250);
eod Boolean := false;
j integer := 1;
v_fName VARCHAR2(250);
BEGIN
-- Get the name of the file to open
v_fName := 'C:\Climate_File\Book1.xls';
-- My Way: Use a File Open Dialog to let the user select the file.
v_fName := WebUtil_File.File_Open_Dialog(
directory_name => 'C:\Climate_File\'
,File_Filter => null
,Title => 'Select Client filename to Open.'
);
-- Make sure the user selected a file
IF ( v_fName IS NOT NULL ) THEN
-- The following sets up communication with the excel spreadsheet
-- --------------------------------------------------------------
-- Open the OLE application
p05_show_alert_message('kabl');
application := Client_OLE2.create_obj('Excel.Application');
p05_show_alert_message('ba3d');
-- Keep the application hidden
Client_OLE2.set_property(application,'Visible','false');
workbooks := Client_OLE2.Get_Obj_Property(application, 'Workbooks');
args := Client_OLE2.CREATE_ARGLIST;
-- Open the selected File
-- ----------------------
Client_OLE2.add_arg(args,v_fName);
workbook := Client_OLE2.GET_OBJ_PROPERTY(workbooks,'Open',args);
Client_OLE2.destroy_arglist(args);
worksheets := Client_OLE2.GET_OBJ_PROPERTY(workbook, 'Worksheets');
-- Get number of worksheets
-- ------------------------
num_wrkshts := Client_OLE2.GET_NUM_PROPERTY(worksheets, 'Count');
worksheet := Client_OLE2.GET_OBJ_PROPERTY( application,'activesheet');
--Go to the first record
go_block('BIN_DOCS');
first_record;
-- Loop through the Block and create a new row if needed.
loop
If :system.record_status <> 'NEW' then
create_record;
end if;
-- Exit when the last row of the spreadsheet is reached.
exit when eod;
-- Loop through the spreadsheet and get cell values
for k in 1..3 loop --3 fields per record
-- You have to know fields there are
args:= Client_OLE2.create_arglist;
Client_OLE2.add_arg(args, j);
Client_OLE2.add_arg(args, k);
cell:= Client_OLE2.get_obj_property(worksheet, 'Cells', args);
Client_OLE2.destroy_arglist(args);
cell_value :=Client_OLE2.get_char_property(cell, 'Value');
-- Check for End of Data...
if upper(cell_value) = 'EOD' then
eod:=true;
Message('End of Data');
exit;
end if;
-- Copy the value from Excel to the Forms block item
-- This is how the Oracle example copied values
if k =1 then
:BIN_DOCS.desc_mv_dtl:=cell_value;
end if;
if k =2 then
--:dept.dname:=cell_value;
null;
end if;
if k =3 then
null;
--:dept.loc:=cell_value;
end if;
-- This is my way; which is more efficient and less code
copy(cell_value,name_in('system.cursor_item'));
next_item;
end loop; --for
j:=j+1;
end loop; --main loop2
-- Release the Client_OLE2 object handles
IF (cell IS NOT NULL) THEN
Client_OLE2.release_obj(cell);
END IF;
IF (worksheet IS NOT NULL) THEN
Client_OLE2.release_obj(worksheet);
END IF;
IF (worksheets IS NOT NULL) THEN
Client_OLE2.release_obj(worksheets);
END IF;
IF (worksheet2 IS NOT NULL) THEN
Client_OLE2.release_obj(worksheet2);
END IF;
IF (workbook IS NOT NULL) THEN
Client_OLE2.release_obj(workbook);
END IF;
IF (workbooks IS NOT NULL) THEN
Client_OLE2.release_obj(workbooks);
END IF;
Client_OLE2.invoke(application,'Quit');
Client_OLE2.release_obj(application);
ELSE
Message('No File selected.');
message(' ');
RAISE Form_Trigger_Failure;
END IF;
END;
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