Crystal Reports--SubReport

Attempting to use Crystal to make a chain letter for our clinic.  Right now, I have a Group Header--that contains the bulk of the text, then various fields are sprinkled throughout that letter that pull each individual patient name.

The next step is where I'm tripping up--I would like to include all of their lab values from a table in the body of the letter, so I built a SubReport, that I would then interject into the Group Header at the proper location.

How do you pass each individual patient name into the subreport so that when the subreport runs in the group header--it pulls their specific lab values?  For example;


Dear {Person.FirstName}

Calling to write you about your lab results.  They were the following;

*SubReport*
{labvalues from within a date range passed through via the main report}



Dear {NextPerson.FirstName}

Thanks!
CMCITDAsked:
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mlmccConnect With a Mentor Commented:
You can link the subreport to the main report.

Right click the subreport
CLick CHANGE SUBREPORT LINKS
Select the person's ID field (unique identifier for the person)
CLick the > to move it to the LINK ON box
Select the parameter the linking creates (?pm_FieldName)
CHoose to filter based on the field
Select the appropriate field in the subreport

mlmcc
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CMCITDAuthor Commented:
Terrific, thanks again mlmcc!
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James0628Commented:
FYI, you can also create parameters yourself in the subreport and use them in the record selection formula in the subreport, and then link fields/parameters from the main report to the subreport parameters that you created.  That's particularly useful if your tests are more complicated than just {?parameter} = {field}.

 James
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