ASPxVerticalGrid.GetTotalSummaryValue(ASPxVerticalGridSummaryItem) Method

Returns a summary value calculated against all records.

Namespace: DevExpress.Web

Assembly: DevExpress.Web.v24.2.dll

Declaration

C#

public object GetTotalSummaryValue(
    ASPxVerticalGridSummaryItem item
)

VB.NET

Public Function GetTotalSummaryValue(
    item As ASPxVerticalGridSummaryItem
) As Object

Parameters

Name	Type	Description
item	ASPxVerticalGridSummaryItem	An ASPxVerticalGridSummaryItem object that represents the summary item.

Returns

Type	Description
Object	An object which represents the summary value.

Remarks

The ASPxVerticalGrid enables you to calculate a total summary that calculates an aggregate function by all records and displays the result in the summary panel. A total summary type is represented by a ASPxVerticalGridSummaryItem object.

Example

Default.aspx (C#)

<dx:ASPxVerticalGrid ID="ASPxVerticalGrid1" runat="server" AutoGenerateRows="False" 
                     OnCustomSummaryCalculate="ASPxVerticalGrid1_CustomSummaryCalculate"
                     DataSourceID="SqlDataSource1" KeyFieldName="ProductID">
    <Rows>
        <dx:VerticalGridTextRow FieldName="ProductID" />
        <dx:VerticalGridTextRow FieldName="ProductName" />
        <dx:VerticalGridTextRow FieldName="UnitPrice" />
        <dx:VerticalGridTextRow FieldName="UnitsInStock" />
        <dx:VerticalGridTextRow FieldName="UnitsOnOrder" />
    </Rows>
    <TotalSummary>                
        <dx:ASPxVerticalGridSummaryItem SummaryType="Average" FieldName="UnitPrice" />
        <dx:ASPxVerticalGridSummaryItem SummaryType="Average" FieldName="UnitsOnOrder" />
        <dx:ASPxVerticalGridSummaryItem SummaryType="Custom" DisplayFormat="Average Sum ={0}" />
    </TotalSummary>
    <Settings ShowSummaryPanel="True" />
    <SettingsPager Mode="ShowPager"></SettingsPager>
</dx:ASPxVerticalGrid>

Default.aspx.cs

protected void ASPxVerticalGrid1_CustomSummaryCalculate(object sender, DevExpress.Data.CustomSummaryEventArgs e) {
    ASPxVerticalGridSummaryItem orderedUnits = (sender as ASPxVerticalGrid).TotalSummary["UnitsOnOrder"];
    ASPxVerticalGridSummaryItem averagePrice = (sender as ASPxVerticalGrid).TotalSummary["UnitPrice"];
    Int32 intOrderedUnits = Convert.ToInt32(((ASPxVerticalGrid)sender).GetTotalSummaryValue(orderedUnits));
    Int32 intAveragePrice = Convert.ToInt32(((ASPxVerticalGrid)sender).GetTotalSummaryValue(averagePrice));
    e.TotalValue = intOrderedUnits * intAveragePrice;
}

Default.aspx.vb

Protected Sub ASPxVerticalGrid1_CustomSummaryCalculate(ByVal sender As Object, ByVal e As DevExpress.Data.CustomSummaryEventArgs)
    Dim orderedUnits As ASPxVerticalGridSummaryItem = (TryCast(sender, ASPxVerticalGrid)).TotalSummary("UnitsOnOrder")
    Dim averagePrice As ASPxVerticalGridSummaryItem = (TryCast(sender, ASPxVerticalGrid)).TotalSummary("UnitPrice")
    Dim intOrderedUnits As Int32 = Convert.ToInt32(DirectCast(sender, ASPxVerticalGrid).GetTotalSummaryValue(orderedUnits))
    Dim intAveragePrice As Int32 = Convert.ToInt32(DirectCast(sender, ASPxVerticalGrid).GetTotalSummaryValue(averagePrice))
    e.TotalValue = intOrderedUnits * intAveragePrice
End Sub