##### To preview a report At the bottom of every tab in the Report Editor is a Preview section so that you can check your work. Click Show to see the report. If you make changes to the report, click Refresh to update the preview. You have the following options when previewing the report:
Show all columns | Includes columns defined as hidden and a column with additional information about the Primary column.
Show Column ID | Each column header shows the display name and column ID.
Show Debug Information | Gives information for troubleshooting a report.
NOTES If the preview shows Error, hover your cursor over the word to see a description of the error. If the preview shows ?, this indicates there is no data.