InfiniteSource.FetchRows Event

Allows you to fetch rows.

Namespace: DevExpress.Xpf.Data

Assembly: DevExpress.Xpf.Core.v21.1.dll

NuGet Package: DevExpress.Wpf.Core

Declaration

C#

public event EventHandler<FetchRowsEventArgs> FetchRows

VB.NET

Public Event FetchRows As EventHandler(Of FetchRowsEventArgs)

Event Data

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

Property	Description
AllowRetry	Gets or sets whether re-requesting data is allowed. Inherited from FetchRowsEventArgsBase.
Filter	Gets the GridControl filtering. Inherited from FetchEventArgsBase.
HasMoreRows	Gets or sets whether a data source has more rows.
NextSkipToken	Gets or sets the next skip token.
Result	Gets or sets the result of the fetch rows operation.
Skip	Gets the number of rows to skip in a returned result set. Inherited from FetchEventArgsBase.
SkipToken	Gets the skip token. Inherited from FetchEventArgsBase.
SortOrder	Gets the GridControl‘s sorting. Inherited from FetchEventArgsBase.
Source	Gets a source object that returns data.
Take	Gets the number of rows within and above the viewport that are reloaded when you call the RefreshRows method or users press F5. null when the grid fetches next portion of data (a user scrolls rows). int.Max when you call the InfiniteAsyncSource.ReloadRows / PagedAsyncSource.ReloadRows method. Inherited from FetchRowsEventArgsBase.

Remarks

Refer to the following topic for more information: Virtual Sources Overview.

Related GitHub Examples

The following code snippet (auto-collected from DevExpress Examples) contains a reference to the FetchRows 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-to-infinitesource/CS/MainWindow.xaml.cs#L29

source.FetchRows += (o, e) => {
    var fetchRowsResult = FetchRows(e);