Column Link URL - passing items as args

Hi, probably a syntax problem here but can't seem to pass the items properly. I've got a column with a URL link to an external app which I need to pass htmldb item values to. Currently the hardcoded url for the column looks like:
http://1.1.1.1:8888/app/servlet/MyServlet?action=init&d_id=1&e_id=186 " target="_blank
the d_id and e_id have values contained in HTMLDB items. I tried the &ITEM. and #ITEM# but the url does not include them at runtime.

Sorry, probabaly not too clear before. The url itself is not obtained from a query but is hardcoded in the column data link of a column 'Location' in a report. It displays an image for the column value with a url link to run our external mapping app:
http://1.1.1.1:8888/app/servlet/MyServlet?action=init&d_id=1&e_id=186
d_id's value is stored in the item P34_D_ID
e_id's value is stored in the item P34_E_ID
I'm trying to use a report rows' values for those items and format the url to use those.
so column link url:
http://1.1.1.1:8888/app/servlet/MyServlet?action=init&d_id="&P34_D_ID."&e_id="&P34_E_ID.
results in
http://1.1.1.1:8888/app/servlet/MyServlet?action=init&d_id=
http://1.1.1.1:8888/app/servlet/MyServlet?action=init&d_id='&P34_D_ID.'&e_id='&P34_E_ID.'
results in
http://1.1.1.1:8888/app/servlet/MyServlet?action=init&d_id=''&e_id=''
Pretty sure I just don't understand how/when htmldb uses the items values when generating links.

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Column Link URL - passing items as args

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