Writing Code
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StrayKatt
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Quote StrayKatt Replybullet Topic: Formulas/Summaries
    Posted: 09 Jan 2011 at 6:09am

Sorry I posted this in the wrong forum earlier. I am using Crystal Reports .NET 2008. I am a relative newbie and there are no Crystal Reports experts in my office, so I am flying solo. I was wondering if someone could give me some direction. I have 3 tables:
Table 1: all IDs
Table 2: some IDs from Table 1
Table 3: some IDs from Table 1
The tables are joined on ID. I need a distinct count of all the IDs that appear in Table 2 plus any other IDs from Table 3 that are not in Table 2. I tried to create a string variable in a formula that concatenated all of the IDs from Table 2. Then I did a distinct count of IDs in Table 2, set a variable equal to the count, and increased the count variable by 1 for any IDs in Table 3 that were not in the string. I put the formula in the Details section, suppressed the Details section, and printed the count variable in the group footer. This seems to work. The only problem is that some of the other summary fields in my report get messed up when I put the formula in the Details section. Can someone suggest another way that this could be done that won't mess up my other summaries? I might be making this too complicated. Thanks.
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hilfy
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Quote hilfy Replybullet Posted: 14 Jan 2011 at 9:21am
You'll actually need to do this in either two reports, or a report with a sub report.
 
All ID's in Table 2
 
Just include Table 2.  In the report header or report footer, create a summary that is the distinct count of the ID field.
 
All ID's in Table 3 that aren't in Table 2
 
- Add Tables 2 and 3.
- Link from Table 3 to Table 2.
- Right-click on the link, and select "link properties".  Change the link to a "Left Outer Join".
- Set a Record Selection filter that looks like this (you'll have to edit the selection formula to do this):
 
IsNull({Table2.ID_Field})
 
- Create a summary to do a distinct count of the id field in Table 3.
 
-Dell
 
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