1. In My Reports, select the report, then click Edit report.
2. To edit the existing layout, click the Layout button, then click the Edit this layout in the layout designer button.
3. Click the Fields List tab.
4. To add a new calculated field to the field list, in DataSet1, right-click the Table folder and click Add Calculated Field.
5. To open the Collection Editor, right-click the new calculated field, and click Edit Calculated Field.
8.
10. Click OK to save the calculated field.