aspnet-devexpress-dot-web-dot-aspxsummaryitembase.md
Gets or sets the aggregate function type.
Namespace : DevExpress.Web
Assembly : DevExpress.Web.v25.2.dll
NuGet Package : DevExpress.Web
[DefaultValue(SummaryItemType.None)]
public SummaryItemType SummaryType { get; set; }
<DefaultValue(SummaryItemType.None)>
Public Property SummaryType As SummaryItemType
| Type | Default | Description |
|---|---|---|
| SummaryItemType | None |
One of the SummaryItemType enumeration values.
|
Available values:
| Name | Description |
|---|---|
| Sum |
The sum of all values in a column.
| | Min |
The minimum value in a column.
| | Max |
The maximum value in a column.
| | Count |
The record count.
| | Average |
The average value of a column.
| | Custom |
Specifies whether calculations should be performed manually using a specially designed event.
| | None |
Disables summary value calculation.
|
There are five predefined aggregate functions. These are: Sum , Min , Max , Average , Count. To implement your own aggregate function, set the SummaryType property to Custom , and handle the ASPxGridBase.CustomSummaryCalculate event.
The following code snippets (auto-collected from DevExpress Examples) contain references to the SummaryType property.
Note
The algorithm used to collect these code examples remains a work in progress. Accordingly, the links and snippets below may produce inaccurate results. If you encounter an issue with code examples below, please use the feedback form on this page to report the issue.
asp-net-web-forms-grid-create-report-based-on-grid-layout/CS/WebApplication1/ReportHelper.cs#L73
label.Summary.FormatString = item.DisplayFormat;
label.Summary.Func = GetSummaryFunc(item.SummaryType);
footerBand.Controls.Add(label);
asp-net-mvc-grid-create-report-based-on-grid-layout/CS/E4755/Models/MVCxGridViewState.cs#L92
DisplayFormat = item.DisplayFormat;
SummaryType = item.SummaryType;
}
asp-net-web-forms-grid-create-report-based-on-grid-layout/VB/WebApplication1/ReportHelper.vb#L75
label.Summary.FormatString = item.DisplayFormat
label.Summary.Func = GetSummaryFunc(item.SummaryType)
footerBand.Controls.Add(label)
asp-net-mvc-grid-create-report-based-on-grid-layout/VB/E4755/Models/MVCxGridViewState.vb#L186
DisplayFormat = item.DisplayFormat
SummaryType = item.SummaryType
End Sub
See Also
Online Demo: Grid - Grid Totals
Online Demo: Card View - Total Summary