DxDocumentViewerCallbacksBase<TModel, TEvents>.OnServerError Property

Specifies the handler for the OnServerError client-side event that allows you to perform actions when a Fetch request completes with an error.

Namespace: DevExpress.Blazor.Reporting

Assembly: DevExpress.Blazor.Reporting.v25.1.JSBasedControls.Common.dll

NuGet Package: DevExpress.Blazor.Reporting.JSBasedControls.Common

Declaration

C#

[Parameter]
public string OnServerError { get; set; }

VB.NET

<Parameter>
Public Property OnServerError As String

Property Value

Type	Description
String	The name of a JavaScript function used to handle the OnServerError event.

Remarks

The OnServerError event is raised on the client each time an error occurs on the server. Handle this event to perform actions when a Fetch request completes with an error.

The following code shows an alert box when an internal server error occurs:

reporting_ViewerCustomization.js

window.ReportingViewerCustomization = {
    onError: function(s, e) {
      alert("Internal Server Error occurs");
    }
}

_Host.cshtml

<script src="~/js/reporting_ViewerCustomization.js"></script>

Viewer.razor

<DxDocumentViewer ReportName="SampleReport" Height="1000px" Width="100%">
    <DxDocumentViewerCallbacks OnServerError="ReportingViewerCustomization.onError" />
</DxDocumentViewer>