windowsforms-devexpress-dot-xtragrid-dot-gridcolumnsummaryitem-dot-underscore-properties.md
A column’s total 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 a name of the field for which a total summary should be calculated. |
| 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 | Gets or sets whether to calculate the current summary against all rows or the selection. Use this property when you enable multiple row selection (see ColumnView.OptionsSelection.MultiSelect). This property is not supported in server mode. Inherited from GridSummaryItem. |
| 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