How to find last group on every page in crystal report

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In Crystal Reports, you can achieve the goal of showing a group footer only on the last group of each page by using conditional formatting and suppression.

Here are the steps to accomplish this:
1. Create a Group
2. Insert a Group Footer
3. Conditionally Suppress the Group Footer
4. Write a Suppression Formula
In the formula editor, you will need to write a formula that evaluates to true when the group footer should be suppressed and false when it should be shown. You can use the PageNumber and TotalPageCount functions to determine if you're on the last page of the group.
For example, if your group is grouped by a field called "GroupField," your formula might look like this: PageNumber <> TotalPageCount
5. Save, Close and Preview your Report