windowsforms-devexpress-dot-xtragrid-dot-gridgroupsummaryitem-dot-underscore-properties.md
Represents an individual group summary item.
| Name | Description |
|---|---|
| Collection | Gets a collection to which the summary item belongs. Inherited from GridSummaryItem. |
| DisplayFormat | Gets or sets the display format rule for the GridSummaryItem value. An empty string to apply the default format rule. Inherited from GridSummaryItem. |
| FieldName | Gets or sets the name of a dataset field whose values are used for summary calculation. Inherited from GridSummaryItem. |
| Format | Gets or sets the IFormatProvider object which specifies how values should be formatted. Inherited from GridSummaryItem. |
| HasValue | Returns whether the GridSummaryItem has a non- null value. Inherited from GridSummaryItem. |
| Index | Gets the summary item’s position within the owning collection. Inherited from GridSummaryItem. |
| Mode | This member supports the internal infrastructure, and is not intended to be used directly from your code. |
| ShowInGroupColumnFooter | Gets or sets the column whose group footer cells should display summary values. |
| ShowInGroupColumnFooterName | Gets or sets the name of the column whose group footer cells should display summary values. |
| SummaryType | Gets or sets the aggregation function type. Inherited from GridSummaryItem. |
| SummaryValue | Gets the total summary item’s calculated value. If the AutoUpdateTotalSummary setting is disabled, this value may not reflect the latest View data. To ensure the summary is up to date, call the GridView.UpdateTotalSummary method to forcibly recalculate summaries. Inherited from GridSummaryItem. |
| Tag | Gets or sets data associated with the summary item. Inherited from GridSummaryItem. |
See Also