Suppressing subreport with no data and a header

2020-02-19 09:32发布

I have a fairly simple subreport that I want to suppress when there are no records selected for it. The problem is that I have a header and footer section of this subreport with static elements in it (text boxes, lines, etc.). I have set the section containing the subreport, the subreport itself and the sections within the subreport to all be surpressed when there are no records. Yet, the subreport shows up anyway. The data section with no data is indeed suppressed but the headers and footers seem to keep the subreport visible.

Any ideas? Oh, I'm running Crystal-Reports 2011. Thanks!

4条回答
一纸荒年 Trace。
2楼-- · 2020-02-19 10:06

Hard to follow everything in the post but if data is running into each other, then add a section and place your sub report in the section and make sure can grow is checked off.

If you have static data that you want to show, then you may want to create 2 sub reports, one with the static data and one with the dynamic data and suppress if blank.

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家丑人穷心不美
3楼-- · 2020-02-19 10:15

I just ran into this myself in CR2008. Here are the steps I did to make this work:

  1. Go into your subreport (by that I mean have it open in its own designer window) -> go into 'Report Options' under the 'File' menu -> select 'Suppress printing if no records'
  2. Now go back into your main report. Right-click on the subreport -> go to 'Format Subreport' -> hit the 'Subreport' tab -> check the 'Suppress Blank Subreport' checkbox.
  3. If the subreport is the only thing in the main report section, go into that section in the 'Section Editor' by right-clicking on it -> check the 'Suppress Blank Section' checkbox.

EDIT: If your subreport does return records but it is just that none are displayed then try using shared variables. To do this you need to consider the logic you're using to display the records in the subreport in the first place. This is likely whatever logic found in the detail section suppression formula, but it will depend heavily on the format of your particular subreport.

Now, initialize a shared numbervar in your subreport's report header and then increment it each time a row is displayed using the aforementioned logic.

Back in your main report, you may be able to check the value of that variable to conditionally suppress the subreport's section. I say "may" because CR may not evaluate the subreport's variables prior to looking at the suppression formula, but give it a whirl. You'll want to use the whileprintingrecords; keyword in your section suppression formula to delay its evaluation. Good luck!

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Fickle 薄情
4楼-- · 2020-02-19 10:16

Put subReport in a Section, then Right click on Section=> Section Expert Then check true 'Supress Blank Section' in the common tab as mentioned in below picture. enter image description here

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够拽才男人
5楼-- · 2020-02-19 10:26

Have you tried using suppress formula?

Right click Format Field > Check Suppress > click Edit formula [x-2] button

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