GridGroupSummaryItemCollection.Add(SummaryItemType, String, GridColumn, String, IFormatProvider) Method

Creates a new group summary item with the specified settings and adds it to the end of the collection.

Namespace: DevExpress.XtraGrid

Assembly: DevExpress.XtraGrid.v21.2.dll


public virtual GridGroupSummaryItem Add(
    SummaryItemType summaryType,
    string fieldName,
    GridColumn showInColumn,
    string displayFormat,
    IFormatProvider formatProvider


Name Type Description
summaryType SummaryItemType

A SummaryItemType enumeration value specifying the aggregation function type. This value initializes the new item’s GridSummaryItem.SummaryType property.

fieldName String

A String value specifying the name of a dataset field whose values are used for summary calculation. This value initializes the new item’s GridSummaryItem.FieldName property.

showInColumn GridColumn

A GridColumn object (or descendant) specifying the column whose footer cells should display summary values. null (Nothing in Visual Basic) to display summary values within group rows. This value initializes the created item’s GridGroupSummaryItem.ShowInGroupColumnFooter property.

displayFormat String

A String value specifying the summary value’s format. This value initializes the new item’s GridSummaryItem.DisplayFormat property.

formatProvider IFormatProvider

An IFormatProvider object that implements a formatting routine. This value is assigned to the GridSummaryItem.Format property.


Type Description

A GridGroupSummaryItem object representing the new summary item.

See Also