InfiniteAsyncSource.GetTotalSummaries Event

Allows getting total summaries.

Namespace: DevExpress.Xpf.Data

Assembly: DevExpress.Xpf.Core.v23.2.dll

NuGet Package: DevExpress.Wpf.Core

Declaration

C#

public event EventHandler<GetSummariesAsyncEventArgs> GetTotalSummaries

VB.NET

Public Event GetTotalSummaries As EventHandler(Of GetSummariesAsyncEventArgs)

Event Data

The GetTotalSummaries event's data class is GetSummariesAsyncEventArgs. The following properties provide information specific to this event:

Property	Description
Filter	Gets the GridControl‘s filtering. Inherited from GetSummariesEventArgsBase.
Result	Gets or sets the result of the get summaries operation.
Summaries	Gets the GridControl‘s total summary items. Inherited from GetSummariesEventArgsBase.

Remarks

View Example: How to Bind to InfiniteAsyncSource

If you want to maintain a clean MVVM pattern and process summaries in a ViewModel, create a command and bind it to the InfiniteAsyncSource.GetTotalSummariesCommand property.

Related GitHub Examples

The following code snippets (auto-collected from DevExpress Examples) contain references to the GetTotalSummaries event.

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.

C#

how-to-bind-wpf-grid-to-data/CS/CodeBehind/EntityFramework/InfiniteAsyncSource/MainWindow.xaml.cs#L21

source.FetchRows += OnFetchRows;
source.GetTotalSummaries += OnGetTotalSummaries;
grid.ItemsSource = source;

wpf-data-grid-implement-crud-operations/CS/CodeBehind/EFCore/InfiniteAsyncSource/MainWindow.xaml.cs#L17

source.FetchRows += OnFetchRows;
source.GetTotalSummaries += OnGetTotalSummaries;
grid.ItemsSource = source;

wpf-data-grid-bind-to-infiniteasyncsource/CS/InfiniteAsyncSourceSample/MainWindow.xaml.cs#L35

source.GetTotalSummaries += (o, e) => {
    e.Result = GetTotalSummariesAsync(e);

how-to-bind-to-odata/CS/MainWindow.xaml.cs#L30

source.GetTotalSummaries += (o, e) => {
    e.Result = Task.Run(() => {

wpf-data-grid-use-virtual-sources-to-bind-to-in-memory-data/CS/MainWindow.xaml.cs#L33

source.GetTotalSummaries += (o, e) => {
    e.Result = GetTotalSummaries(e, getSourceTask);

VB.NET

wpf-data-grid-implement-crud-operations/VB/CodeBehind/EFCore/InfiniteAsyncSource/MainWindow.xaml.vb#L13

AddHandler source.FetchRows, AddressOf OnFetchRows
AddHandler source.GetTotalSummaries, AddressOf OnGetTotalSummaries
grid.ItemsSource = source

how-to-bind-to-odata/VB/MainWindow.xaml.vb#L30

AddHandler source.GetTotalSummaries, Sub(o, e)
    e.Result = Task.Run(Function()

wpf-data-grid-use-virtual-sources-to-bind-to-in-memory-data/VB/MainWindow.xaml.vb#L21

AddHandler source.FetchRows, Sub(o, e) e.Result = FetchRows(e, getSourceTask)
AddHandler source.GetTotalSummaries, Sub(o, e) e.Result = GetTotalSummaries(e, getSourceTask)
AddHandler source.GetUniqueValues, Sub(o, e)