Passing blank string as report parameter BIRT

Question

I am using BIRT 4.3 in my Java application.

I am passing report parameters from a Java class to BIRT, and then I am displaying those parameters in the final(output) report.

If a value I am passing is null, then I want to pass blank string "" as report parameter like this

map.put("NAME", salesLocBean.getName() == null ? "" : salesLocBean.getName().toUpperCase());

But BIRT does not seem to like that, some times it complaints that X parameter is blank and sometimes it runs fine but screws up the UI.

I have tried passing string with spaces like this '" "' but BIRT treats them as blank strings.

So how can I pass blank String "" as report parameter to BIRT.

I can't be of any help with Java, but if you put it into BIRT with a string value like "changeMe" you could use a computed column in your data set to convert "changeMe" to what ever you want. — James Jenkins, Jun 16 '15 at 15:47
You can set the value of a computed column to pretty much anything you can write in JavaScript, but nothing between quotes "" should meet your need. — James Jenkins, Jun 17 '15 at 10:22
@JamesJenkins, I am passing the value from java so I can't pass nothing — Soumitri Pattnaik, Jun 17 '15 at 10:25
Pass "changeMe" to BIRT, then when it gets there convert it to "" — James Jenkins, Jun 17 '15 at 10:45
@JamesJenkins I think, I have a solution, can you tell me how can I change the font color of a report parameter (displayed on the page), in it's `onRender` script? — Soumitri Pattnaik, Jun 17 '15 at 10:47

score 1 · Accepted Answer · edited May 23 '17 at 12:01

1

You could set the parameter to a "changeMe" value und replace it with an empty String "" on the place where it is displayed in the report if it has the "changeMe" value. Compare my answer to this question. You can just leave the field for the displayed value blank.

edited May 23 '17 at 12:01

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answered Mar 31 '16 at 13:52

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Passing blank string as report parameter BIRT

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