ASPxSpreadsheetUriValidationContext.Editor Property

Returns the ASPxSpreadsheet component initiated URL validation.

Namespace: DevExpress.Web.ASPxSpreadsheet

Assembly: DevExpress.Web.ASPxSpreadsheet.v25.2.dll

NuGet Package: DevExpress.Web.Office

Declaration

C#

public ASPxSpreadsheet Editor { get; }

VB.NET

Public ReadOnly Property Editor As ASPxSpreadsheet

Property Value

Type	Description
ASPxSpreadsheet	An ASPxSpreadsheet instance.

Remarks

Use the Editor property to access the ASPxSpreadhsheet component instance in URL validation handlers. Note that Editor property value can be null in the following cases:

• You import documents that contain external images.
• You insert images via the UI, clipboard, or API.

Use the DocumentInfo property instead to identify the event sender.

The following code snippet enables requests to internal network resources in the specified Spreadsheet document:

using System;
using DevExpress.Security.Resources;
using DevExpress.Web.ASPxSpreadsheet;

protected void Application_Start(object sender, EventArgs e) {
    AccessSettings.UriValidated += OnUriValidated;
}

void OnUriValidated(object sender, UriValidatedEventArgs e) {
    // Checks if a validation request comes from ASPxSpreadsheet
    if(e.ValidationContext is ASPxSpreadsheetUriValidationContext spreadsheetContext) {
        if(spreadsheetContext.DocumentInfo.DocumentId == "MyDocumentId" && e.Uri != null) {
            // Specifies allowed hosts
            if(e.Uri.IdnHost.Equals("localhost", StringComparison.OrdinalIgnoreCase)) {
                e.Valid = true;
            }
        }
    }
}