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Stack Overflow for Teams is a private, secure spot for you and your coworkers to find and share information. How can I do this? Can I copy this data source and pass it? Note: Using the same with master report datasource in subreport can cause the effect of loosing the first row in the subreport. You can read Why is the first record missing from my subreport?
Yes, you need to be careful about how to pass a data source. Then the subreport has its own SQL query. In your case you want to pass the actual data.
It's on a different tab in that same window where you set the subreport connection in iReport. Often this is sufficient to pass the data source.
But you might need a little code to handle things. Consider this example with a CSV data source re-used in subreports. The reason why you can't just use the JRParameter. We solved this with a minimal helper class:. If you use ResultSet as the parameter, maybe loss one record as you definition the subreport in detail bands. It's an old question already answered but i get to pass the undelying bean to the subreport, avoiding the loss of the first record or passing all the records to subreport.
This solution has the advantage that the subreport can be used as main report and is "simply" pass the actual record as subreport datasource using groovy as report lang :. I had a situation where I had a table in a subreport. The subreport only has a title band and a summary band, with the table in the summary. I wanted to use the subreport datasource for the table as well, but could not get either of the approaches in the accepted answer to work.
So here as an alternative approach that is working great in version 6. The key here is that the List is being passed as a parameter and NOT as a datasource like:. Learn more.
How to pass main report data source to subreport JasperReports? Ask Question. Asked 8 years, 5 months ago. Active 1 year, 7 months ago. Viewed 81k times. BTW: I use iReport for creating the layout. ChrisWue Active Oldest Votes. Dave Jarvis Alex K Alex K Why is the first record missing from my subreport is available again without a login. How to actually use the "cast" parameter in the subReport? We solved this with a minimal helper class: package com. File; import java.
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Documented by Luke Shannon. How to use the built-in subreport element to create nested content. As the Master report executes, each time the Subreport element is reached it is executed and its content seamlessly embedded into the output of the Master report. The end result is a single output containing the blended contents of the Master report and each subreport execution. Subreports can be nested. When to Use Subreports There are several situations when you wish to embed one report into other.
Create iReport Templates with Subreports
Generally a subreport is used in a situation where you have one or more sets of data relating to a single IMSMA item. Before creating the main report, you will need to determine what data should be included in your report. For example, if you are creating a report about Land with all the Progress Report data, then the target IMSMA item for your main report should be Land and the target data for your subreport should be Activity assuming that Progress Reports are entered into the system as Activity. Below is a list of questions and things to be considered when designing a report. The main report should be created with the IMSMA item determined to be the primary data of your report.