FileManagerFile.Folder Property

Gets the parent folder to which the current file belongs.

Namespace: DevExpress.Web

Assembly: DevExpress.Web.v23.2.dll

NuGet Package: DevExpress.Web

Declaration

C#

public FileManagerFolder Folder { get; }

VB.NET

Public ReadOnly Property Folder As FileManagerFolder

Property Value

Type	Description
FileManagerFolder	A FileManagerFolder object representing the file’s immediate parent.

Remarks

Use the Folder property to identify the parent folder which owns the current file.

Example

The code below allows end-users to upload only mp3 files to the “Music mp3” folder.

C#

protected void ASPxFileManager1_FileUploading(object source, DevExpress.Web.FileManagerFileUploadEventArgs e) {
      if (e.File.Folder.FullName == "Files\\Music mp3")
            if (e.File.Extension != ".mp3") {
                e.Cancel = true;
                e.ErrorText = "You can only upload mp3 files to this folder";
            }
}

ASPX

<dx:ASPxFileManager ID="ASPxFileManager1" runat="server" OnFileUploading="ASPxFileManager1_FileUploading">
            <Settings RootFolder="~/Content/FileManager/Files" ThumbnailFolder="~\Thumb" />
</dx:ASPxFileManager>

Related GitHub Examples

The following code snippet (auto-collected from DevExpress Examples) contains a reference to the Folder property.

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#

asp-net-web-forms-file-manager-list-custom-file-system-provider/CS/WebApplication2/FileStreamProvider.cs#L115

protected FileSystemData FindFileItem(FileManagerFile file) {
    FileSystemData folderItem = FindFolderItem(file.Folder);
    List<FileSystemData> files = DataSource.Where(x => !x.IsFolder).ToList();

VB.NET

asp-net-web-forms-file-manager-list-custom-file-system-provider/VB/WebApplication2/FileStreamProvider.vb#L111

Protected Function FindFileItem(ByVal file As FileManagerFile) As FileSystemData
    Dim folderItem As FileSystemData = FindFolderItem(file.Folder)
    Dim files As List(Of FileSystemData) = DataSource.Where(Function(x) (Not x.IsFolder)).ToList()