How to know how many rows including headers and footers does subreport has from Main Report

Question

Hi, we are sturuggling with subreports. Main report has 3 subreports, each subreport is inplmented in a group header(3 subreports and 3 group headers). We would like to print a group header under subreport as a column header every page, and need a page break when group number is changed. This report exports a MS Excel(97-2003) report file.
In main report, [New After Page] is checked under Group Header #1d from [Section Expert]
In each subreport, [Repeat Group Header On Each Page] is checked under the highest group from [Group Expert]
Here are two issues;
Since Crystal Reports has more rows than Excel in one page, colmun header in each subreport is being printed in the middle of the page. It should be printed at the top of the page
When Subreport has many rows and has to be printed in more than 1 page, a page break is automatically inserted before column header. It should be printed right below column header which is Group Header #1
We have been trying to pass row counts(count of group header because group header is used as the details) using a shared variable from Subreport 1 to Subreport 2 via main report since Subreport2 cannot predict how many rows Subreport 1 has.
Here is what we are trying but we are getting an error which is "A constant expression is required here" under main report
- In Sunreport 1
whileprintingrecords;
shared numbervar SubGroupCount := DistinctCount({Table.Field});
- In Mainreport
shared numbervar SubGroupCount;
if(pagenumber) = 1
then (SubGroupCount)
else 50
Is there any solutionss or better ways other than above?
Thank you,
Main Report: Group Header #1a --> as Page Header
Run Date: mm/dd/yyyy                                                                 Report Name
Main Report Group Header #1b --> Subreport 1
Header 1
Header 2
Header 3
Header 4
Header 5
Header 6
Main Report Goup Header #1c --> Subreport 2
Header 1
Header 2
Header 3
Header 4
Header 5
Header 6
Main Report Froup Header #1d --> Subreport 3
Header 1
Header 2
Header 3
Header 4
Header 5
Header 6

Answer 1

Thank you for your reply and sorry for my complicated explanations. The report has confidential information, so I replaced to some fake data but I believe you can still see what I am trying to do..
Main Report
Subreport 2
Output1
Output2: the following page
     --> more rows are printed..
We have two problems;
1. The column header in Output2 is supposed to be pronted right below the last row in Output2, however, a page break is automatically inserted. But even in the same output document, it works for some group when it has a few rows..
2. Since Crystal Reports prints more rows in one page than MS Excel does, Column header is not be printed at the top of the page.
I tried the way you advised me but it did not work..