DataSourceFillErrorEventHandler Delegate

References the method that handles the JsonDataSource.FillError event.

Namespace: DevExpress.DataAccess

Assembly: DevExpress.DataAccess.v24.1.dll

NuGet Packages: DevExpress.DataAccess, DevExpress.Win.PivotGrid, DevExpress.Win.TreeMap

Declaration

C#

public delegate void DataSourceFillErrorEventHandler(
    object sender,
    DataSourceFillErrorEventArgs e
);

VB.NET

Public Delegate Sub DataSourceFillErrorEventHandler(
    sender As Object,
    e As DataSourceFillErrorEventArgs
)

Parameters

Name	Type	Description
sender	Object	The event source.
e	DataSourceFillErrorEventArgs	The event data.

Example

The code sample below creates a new data source, handles the FillError event to to process exceptions, and tries to populate the data source with data.

C#

using DevExpress.DataAccess;
using DevExpress.DataAccess.Json;
// ...
// Create a new JSON source.
var jsonSource = new UriJsonSource() {
    Uri = new Uri(@"https://invalid.json")
};
// Assign the JSON source to the data source.
var datasource = new JsonDataSource() {
    JsonSource = jsonSource
};
datasource.FillError += (s, e) => {
    e.Handled = true;
    // Add code that handles the data source fill error here.
};

VB.NET

Imports DevExpress.DataAccess
Imports DevExpress.DataAccess.Json
' ...
' Create a new JSON source.
Dim jsonSource = New UriJsonSource() With {.Uri = New Uri("https://invalid.json")}
' Assign the JSON source to the data source.
Dim datasource = New JsonDataSource() With {.JsonSource = jsonSource}
AddHandler datasource.FillError, Sub(s, e)
                                     e.Handled = True
                                     ' Add code that handles the data source fill error here.
                                 End Sub