expression.GroupOn
expression Required. An expression that returns one of the objects in the Applies To list.
Remarks
The GroupOn property settings available for a field depend on its data type, as the following table shows. For an expression, all of the settings are available. The default setting for all data types is Each Value.
| Field data type | Setting | Groups records with | Visual Basic |
|---|---|---|---|
| Text | (Default) Each Value | The same value in the field or expression. | 0 |
| Prefix Characters | The same first n number of characters in the field or expression. | 1 | |
| Date/Time | (Default) Each Value | The same value in the field or expression. | 0 |
| Year | Dates in the same calendar year. | 2 | |
| Qtr | Dates in the same calendar quarter. | 3 | |
| Month | Dates in the same month. | 4 | |
| Week | Dates in the same week. | 5 | |
| Day | Dates on the same date. | 6 | |
| Hour | Times in the same hour. | 7 | |
| Minute | Times in the same minute. | 8 | |
| AutoNumber, Currency, Number | (Default) Each Value | The same value in the field or expression. | 0 |
| Interval | Values within an interval you specify. | 9 |
Note You can set the GroupOn property by using the Sorting And Grouping box, a macro, or Visual Basic.
In Visual Basic, you set this property in the Open event procedure of a report.
To set the GroupOn property to a value other than Each Value, you must first set the GroupHeader or GroupFooter property or both to Yes for the selected field or expression.
Example
The following example sets the SortOrder and grouping properties for the first group level in the Products By Category report to create an alphabetical list of products.
Private Sub Report_Open(Cancel As Integer)
' Set SortOrder property to ascending order.
Me.GroupLevel(0).SortOrder = False
' Set GroupOn property.
Me.GroupLevel(0).GroupOn = 1
' Set GroupInterval property to 1.
Me.GroupLevel(0).GroupInterval = 1
' Set KeepTogether property to With First Detail.
Me.GroupLevel(0).KeepTogether = 2
End Sub