TreeListSummaryItem Class

Represents a summary item.

Namespace: DevExpress.Web.ASPxTreeList

Assembly: DevExpress.Web.ASPxTreeList.v18.2.dll

Declaration

C#

public class TreeListSummaryItem :
    CollectionItem,
    IDataSourceViewSchemaAccessor

VB.NET

Public Class TreeListSummaryItem
    Inherits CollectionItem
    Implements IDataSourceViewSchemaAccessor

Related API Members

The following members return TreeListSummaryItem objects:

• MVCxTreeListSummaryCollection.Add()
• MVCxTreeListSummaryCollection.Add(SummaryItemType, String)
• TreeListCustomSummaryEventArgs.SummaryItem

Remarks

The ASPxTreeList supports two types of summary:

• Total Summaries

  These are aggregate function values calculated over all nodes within the ASPxTreeList and displayed within the Footer.

• Group Summaries

  Summary values are calculated over child nodes and displayed within the Group Footer.

Summary items are stored within the ASPxTreeList.Summary collection.

Concepts

• Data Summaries
• Custom Aggregate Functions
• How to: Display Summaries
• How to: Calculate Custom Summaries

Implements

IStateManager

IPropertiesOwner

IExpressionsAccessor

IDataSourceViewSchemaAccessor

Inheritance

Object

StateManager

CollectionItem

TreeListSummaryItem