To edit a query in Aspose.Cells.Report.Designer, follow the steps below:

1. Open MS Excel
2. Click Build DataSet on the Aspose.Cells.Report.Designer toolbar.
3. In the dialog box, select a dataset listed in the left panel, for example, EmpSalesDetail and click Edit button.

4. Aspose.Cell.Report.Designer will start MS Query and open the query in MS Query for editing.

5. From Microsoft Query's File menu, select Return To Aspose.Cells.Report.Designer