Export to Excel from WEB - How to restrict amount of data

Hi
We have a standard web template w. the option to export to excel. Is there anyway we can restrict / disable this button if the number of rows in the query/dataprovider is more than X.
The reason why I'm asking is that if one or several users export a large amount of data from our BI portal to a local excel file the portal sometimes crash.
br,
Kaare

This, can only be achieved by modifying the WEB template which is used at your client.
If its standard template 0ANALYSIS_PATTERN , change the logic for the button export to excel and embedded the code to thorogh an error if report output exceeds certain limit.
Deepak

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So I modified the same report with 1 week's data which is 4500 rows and when I exported it to excel 2007 and it worked.
My questions are:
1- how do I export 80,000 rows of data to excel?
2- what servers/services are responsible for exporting data to excel?
3- any other opinions that you can share which might help me.
PS: I have not test this in rich client since rich client is not being used by users, Users only use WebI.
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After you click on export to excel. wait for some time for the pop up to come up.... Even after some time if it doesn't come up and throw a timeout error "Missing sEntry parameter", then you can try by increasing the time limit. But I won't recommend this since, this is happening due to huge volume of data.
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PROCEDURE pr_Forms_to_Excel(p_block_name IN VARCHAR2 DEFAULT NAME_IN('system.current_block')) IS
-- Declare the OLE objects
application OLE2.OBJ_TYPE;
workbooks OLE2.OBJ_TYPE;
workbook OLE2.OBJ_TYPE;
worksheets OLE2.OBJ_TYPE;
worksheet OLE2.OBJ_TYPE;
cell OLE2.OBJ_TYPE;
range OLE2.OBJ_TYPE;
range_col OLE2.OBJ_TYPE;
-- Declare handles to OLE argument lists
args OLE2.LIST_TYPE;
-- Declare form and block items
form_name VARCHAR2(100);
f_block VARCHAR2(100);
l_block VARCHAR2(100);
f_item VARCHAR2(100);
l_item VARCHAR2(100);
cur_block VARCHAR2(100) := NAME_IN('system.current_block');
cur_item VARCHAR2(100) := NAME_IN('system.current_item');
cur_record VARCHAR2(100) := NAME_IN('system.cursor_record');
item_name VARCHAR2(100);
baslik VARCHAR2(100);
row_n NUMBER;
col_n NUMBER;
filename VARCHAR2(100);
ExcelFontId OLE2.list_type;
BEGIN
-- Start Excel
application:=OLE2.CREATE_OBJ('Excel.Application');
OLE2.SET_PROPERTY(application, 'Visible', 'True');
-- Return object handle to the Workbooks collection
workbooks:=OLE2.GET_OBJ_PROPERTY(application, 'Workbooks');
-- Add a new Workbook object to the Workbooks collection
workbook:=OLE2.GET_OBJ_PROPERTY(workbooks,'Add');
-- Return object handle to the Worksheets collection for the Workbook
worksheets:=OLE2.GET_OBJ_PROPERTY(workbook, 'Worksheets');
-- Get the first Worksheet in the Worksheets collection
-- worksheet:=OLE2.GET_OBJ_PROPERTY(worksheets,'Add');
args:=OLE2.CREATE_ARGLIST;
OLE2.ADD_ARG(args, 1);
worksheet:=OLE2.GET_OBJ_PROPERTY(worksheets,'Item',args);
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-- Return object handle to cell A1 on the new Worksheet
go_block(p_block_name);
baslik := get_block_property(p_block_name,FIRST_ITEM);
f_item := p_block_name||'.'||get_block_property(p_block_name,FIRST_ITEM);
l_item := p_block_name||'.'||get_block_property(p_block_name,LAST_ITEM);
first_record;
LOOP
item_name := f_item;
row_n := NAME_IN('SYSTEM.CURSOR_RECORD');
col_n := 1;
LOOP
IF get_item_property(item_name,ITEM_TYPE)<>'BUTTON' AND
get_item_property(item_name,VISIBLE)='TRUE'
THEN
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IF row_n=1 THEN
------updated by faisal-to give Bold font-----
--FOR k IN 1 .. 3 LOOP
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OLE2.RELEASE_OBJ(cell);
END IF;
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args:=OLE2.CREATE_ARGLIST;
OLE2.ADD_ARG(args, row_n+1);
OLE2.ADD_ARG(args, col_n);
cell:=OLE2.GET_OBJ_PROPERTY(worksheet, 'Cells', args);
OLE2.DESTROY_ARGLIST(args);
IF get_item_property(item_name,DATATYPE)<>'NUMBER' THEN
OLE2.SET_PROPERTY(cell, 'NumberFormat', '@');
END IF;
OLE2.SET_PROPERTY(cell, 'Value', name_in(item_name));
OLE2.RELEASE_OBJ(cell);
END IF;
IF item_name = l_item THEN
exit;
END IF;
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item_name := p_block_name||'.'||get_item_property(item_name,NEXTITEM);
col_n := col_n + 1;
END LOOP;
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range := OLE2.GET_OBJ_PROPERTY( worksheet,'UsedRange');
range_col := OLE2.GET_OBJ_PROPERTY( range,'Columns');
OLE2.INVOKE( range_col,'AutoFit' );
OLE2.RELEASE_OBJ( range );
OLE2.RELEASE_OBJ( range_col );
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args := OLE2.CREATE_ARGLIST;
OLE2.ADD_ARG( args, p_block_name );
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args := OLE2.CREATE_ARGLIST;
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OLE2.DESTROY_ARGLIST( args );
END IF;
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OLE2.RELEASE_OBJ(worksheets);
OLE2.RELEASE_OBJ(workbook);
OLE2.RELEASE_OBJ(workbooks);
--OLE2.INVOKE(application, 'Quit');
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go_block(cur_block);
go_record(cur_record);
go_item(cur_block||'.'||cur_item);
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Thanks in advance.
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Export to Excel from WEB - How to restrict amount of data

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