To make it show 10 records per page do the following
1. Open the Crystal Report in Design View
2. Right click on the Details section and select Section Expert
3. Make sure the Details section is selected in the Section Expert dialog box. Check the box that says "New Page After"
4. Click the formula editor button to the right of the checkbox.
5. Enter the following formula
if Remainder (RecordNumber, 10) = 0 then true else false
6. Click Save and Close and then click OK.
If you run the report it should break after each 10 rows.
If you want more or less than 10 per page change 10 to something else in line 5.