IModelColumnSummaryItem.SummaryType Property
Specifies the function that calculates a value over all records within the current column (total summary).
Namespace: DevExpress.ExpressApp.Model
Assembly: DevExpress.ExpressApp.v19.1.dll
Declaration
Property Value
| Type | Description |
|---|---|
| SummaryType | A SummaryType enumeration value specifying the function that calculates a value over all records within the current column (total summary). |
Available values:
| Name | Description |
|---|---|
| None | Specifies that summary calculations must not be performed. |
| Sum | Specifies that the sum of a column’s values must be calculated. |
| Min | Specifies that a column’s minimum value must be calculated. |
| Max | Specifies that a column’s maximum value must be calculated. |
| Count | Specifies that the number of records within a column must be calculated. |
| Average | Specifies that a column’s average value must be calculated. |
| Custom | Specifies that a summary value must be calculated using a custom algorithm which is implemented in the grid View’s CustomSummaryCalculate event handler. For details, refer to the Working with Summaries in Code topic. |
Remarks
This property is considered by a grid control that visualizes the current List View in a Windows Forms application.
The total summary value is displayed within the grid footer under the column, if the List View node’s IModelListView.IsFooterVisible property is set to true.
By default, this property is set to SummaryType.None.