1. Open a crystal report.
2. In Field explore, right click on "Running Total Fields". Then click "New"
3. In Edit Running Total Fields Dialogue box,
- Give a name for running total name.
- Select a report field and add it to "fields to summarize"
- In Type of Summary, select Count.
- In evaluate part, select "For each record"
- In Reset part, you may chose "Never" or "On Change of group"
- Then, click Ok
4. Finally, drag the field to the report which you want.
