Dynamically creating/modifying fields

Hi there,
I'm having difficulty dynamically adding or modifying fields in a report using XML.
My sample report selects all the fields in a table (select * from TableName;), where some of the fields are mandantory for the report. The other fields are optional and selected by a user at runtime.
So, a user selects the optional fields and passes them in as parameters. I check the parameters in the "After Parameter Form" trigger and, if they're set, I try to add or modify a field in the report using some XML, such as:
<report name="Test1" author="Mark Kennedy" DTDVersion="1.0">
<layout>
<section name="main">
<field name="F_UDC1" source="LOCATION">
</field>
</section>
</layout>
</report>
The above XML tries to dynamically set the source of the field to LOCATION, which is one of the fields in the database table.
If F_UDC1 exists in the report, I get an error message: "REP-0002: Unable to retrieve a string from the Report Builder message file." If F_UDC1 doesn't exist, nothing happens. No new field is created or shows up in the report.
Any ideas on what I'm doing wrong? Thanks!
Mark Kennedy
[email protected]

Scott,
You should be able to do this with a report. You can make columns in a report into text boxes. I'm not sure exactly what I would do, but if you do something like
select null c1, null c2, null c3, null c4 from
user_objects where rownum <= :P123_NUM_ROWS
you should get for null columns. Now go edit each of those columns and make them text fields.
You can then submit the page and use the htmldb api's to get the values of those text boxes.
You might also use a collection . . . I'm just thinking as I type, but this should give you some ideas.
Anton

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Wrote file afiedt.buf
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2
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I am importing text from an XML file and want the lines of text to display in separate text fields beneath each other. How can I set the y value of each succeeding text field so that there is some space (40 pixels or so) from the above field, regardless of the length of the text? Here is my current code. Any help would be greatly appreciated.
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It woudl be easier to show than to explain it ...can you share the file? You can send it to [email protected] Include a description of the issue with your email please.
Paul

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TechNet Community Support
Please remember to mark the replies as answers if they help, and unmark the answers if they provide no help. If you have feedback for TechNet Support, contact
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https://www.sdn.sap.com/irj/scn/wiki?path=/display/abap/create%252ban%252balv%252b(%252bUsing%252bOOABAP%252b)with%252bdynamic%252bField-Catalog
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