Download Formatting Mask for BLOB column

Hi All,
IR Query : select "ROWID","FILE_NAME",dbms_lob.getlength("DATA_FILE") "DATA_FILE",
"DOC_SIZE",PROPOSAL_OWNER
from "#OWNER#"."APXTER_IMP_HDR"
I am using BLOB Download Format Mask on FILE_NAME column
using the following FORMATTING
DOWNLOAD:APXTER_IMP_HDR:DATA_FILE:ROWID::::::attachment:Download
After applying the changes, I counter the error
The number of display columns in the report reached the limit. Please click Select Columns under Actions menu to minimize the report display column list.
Thanks,
Sombit

Hello,
Here you can find a tutorial about blob:
http://www.oracle.com/webfolder/technetwork/tutorials/obe/db/apex/r31/apex31nf/apex31blob.htm
I have a demo here - it shows how to display an image in case the file is image. Otherwise, it displays download link:
http://apex.oracle.com/pls/apex/f?p=63066:1
workspace: somefeto
user: test
pwd: test
Application 63066
Also, there is a packaged application : Sample File Upload and Download that shows you, how to do it.....
you can find it on your workspace.. or here if you wish:
http://apex.oracle.com/pls/apex/f?p=10540:3:15582111009947::NO
workspace: somefeto
user: test
pwd: test
Regards,
Fateh
If you believe that my answer was helpful to you or correct, then please mark the answer as helpful or correct ...

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Edited by: ayadsufyan on Apr 25, 2013 3:58 AM

ayadsufyan wrote:
hi ,
i have a non database Number Item maximum length is 8
when i try to put
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Edited by: ayadsufyan on Apr 25, 2013 3:58 AMtry
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