FileExtensions Property (ProvideFileUploadExtensions)

In This Topic

A custom comma separated list of file extensions that are allowed to be uploaded, e.g. ".pdf,.png,.jpg". Setting this property will override all default file extensions for uploads.

Syntax

Visual Basic
C#
C++/CLI

'Declaration
 
Public Property FileExtensions As String

public string FileExtensions {get; set;}

public:
property String^ FileExtensions {
   String^ get();
   void set (    String^ value);
}

Requirements

Platforms: Windows 10, Windows 11, Windows Server 2016 - 2025
.NET: .NET Framework 4.8, .NET 10, .NET 11

Reference

ProvideFileUploadExtensions Class
ProvideFileUploadExtensions Members

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