ASPxSummaryItemCollection.Add(SummaryItemType, String) Method

Adds a new summary item with the specified settings to the collection.

Namespace: DevExpress.Web

Assembly: DevExpress.Web.v24.2.dll

Declaration

C#

public ASPxSummaryItem Add(
    SummaryItemType summaryType,
    string fieldName
)

VB.NET

Public Function Add(
    summaryType As SummaryItemType,
    fieldName As String
) As ASPxSummaryItem

Parameters

Name	Type	Description
summaryType	SummaryItemType	A SummaryItemType enumeration value that specifies the aggregate function type. This value is assigned to the ASPxSummaryItemBase.SummaryType property.
fieldName	String	A String value that specifies the name of the data source field whose values are used for summary calculation. This value is assigned to the ASPxSummaryItemBase.FieldName property.

Returns

Type	Description
ASPxSummaryItem	An ASPxSummaryItem object that represents the new summary item.

Example

This example calculates the average budget and displays it within the ASPxGridView’s footer.

C#

protected void Page_Load(object sender, EventArgs e) {
     ASPxSummaryItem totalSummary = new ASPxSummaryItem();
     totalSummary.FieldName = "Budget";
     totalSummary.ShowInColumn = "Budget";
     totalSummary.SummaryType = SummaryItemType.Average;
     ASPxGridView1.TotalSummary.Add(totalSummary);
}

VB.NET

Protected Sub Page_Load(ByVal sender As Object, ByVal e As EventArgs)
     Dim totalSummary As ASPxSummaryItem = New ASPxSummaryItem()
     totalSummary.FieldName = "Budget"
     totalSummary.ShowInColumn = "Budget"
     totalSummary.SummaryType = SummaryItemType.Average
     ASPxGridView1.TotalSummary.Add(totalSummary)
End Sub