How to: Create Total Summaries
This example shows how to calculate the average price and display it in the ASPxCardView’s summary panel:
ASPxCardViewSummaryItem totalSummary = new ASPxCardViewSummaryItem();
totalSummary.FieldName = "UnitPrice";
totalSummary.SummaryType = DevExpress.Data.SummaryItemType.Average;
ASPxCardView1.TotalSummary.Add(totalSummary);