Data Import in Oracle Apex

Hi,
I have a requirement to provide a screen to user where they can import data from excel to existing table and i have seen a functionality in Data Workshop in Oracle Apex, but i am unable to use that since i have additional things needs to added into that. The requirment is mentioned below,
1) Need a screen where user can select the excel file and start importing to one temp table without any validation
2) those temp table data should be visible in Multi row form format in screen and user should able to modify the data
3) Need a mapping screen or functionality like where user can map the column from temp table to original table before moving the data to original table (like Data Workshop)
4) Data should be moved to original table and respective data should be deleted from temp table ( In case if any error occurs, error record should be displayed in temp table until unless user corrected data and move to original table)
5) Need to add different kind of validation like, update the record in original record if same id is available or insert a record, not null value etc..
Please suggest me how do i achive this in Apex.
Is there any way to use the existing data workshop fuctionality code and design in my new screen?

You will probably have to code this all by yourself... There are some packages that have been written to import Excel files and CSV style files..
Here is a blog entry on doing the Excel file upload: http://avdeo.com/2008/05/21/uploading-excel-sheet-using-oracle-application-express-apex/
Once you call that you could have a tabular form display the data to the user..
The other processes would need to be written by you (migrating data from temp table to live data table..
Thank you,
Tony Miller
Webster, TX
On the road of life...There are 'windshields', and there are 'bugs'
(splat!)
"Squeegees Wanted"

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