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The Blazor File Upload is a component for uploading files, images, documents, and audio and video files to a server. The File Upload works in both WebAssembly and Server-side Blazor apps, and also supports a rich set of features that include multiple file selection, progress bars, auto-uploading, drag and drop, folder (directory) uploading, file validation, and more.
Select multiple files and upload them to a server at the same time. This is useful for uploading images to a gallery and for file-sharing applications.
Upload multiple files by simply dragging them from the file explorer to the drop area (drop zone), which is a more user-friendly way to select and upload multiple files.
Accepts a folder (directory) as a file source for uploading all the files (including subfolders) of the selected folder.
Using the AJAX library, the Blazor File Upload component easily uploads files in asynchronous mode.
Manage upload of large file uploads efficiently using chunk upload that slices a large file into smaller chunks and uploads to the server in a sequential order asynchronously.
Allows users to create a custom UI in the Blazor File Upload based on their application need using a wide range of template options.
Cutting edge design with 5+ built-in themes such as Fluent, Tailwind CSS, Bootstrap, Material, Fabric, and more. Utilize the online Theme Studio tool to customize themes of File Upload easily.
Enables users from different locales to use the File Upload by formatting dates, currency, and numbering to suit their preferences.
Easily get started with Blazor File Upload using a few simple lines of C# code, as demonstrated below. Also explore our Blazor File Upload Example that shows you how to render the uploader component.
<SfUploader AutoUpload="false">
<UploaderEvents ValueChange="OnChange"></UploaderEvents>
</SfUploader>
@code {
private void OnChange(UploadChangeEventArgs args)
{
foreach (var file in args.Files)
{
var path = @"path" + file.FileInfo.Name;
FileStream filestream = new FileStream(path, FileMode.Create, FileAccess.Write);
file.Stream.WriteTo(filestream);
filestream.Close();
file.Stream.Close();
}
}
}A built-in feature to pause, resume, retry, and cancel a file upload. This helps users upload high-resolution images, videos, and other large files safely. Additionally, it provides an option to pause and resume automatically based on server connection.
The action buttons of the Blazor File Upload component are completely customizable, including its file list, which allows users create their own design for the Blazor File Upload UI.
Upload various file types and impose restrictions to allow only valid types of files from the client-side, which is mandatory before uploading a file in the web application.
Users can add validation to check file size limits with minimum and maximum ranges, number of files required, total size, and MIME type before uploading a file to a server.
The Blazor File Upload component processes images from the clipboard, also. Simply copy and paste the images to be uploaded to a server.
Blazor File Upload provides a simple interface to delete wrongly uploaded files from a server.
Users can configure previously uploaded files from the server with a success state, which is useful for viewing, removing, and manipulating them.
Users can initiate an automatic upload to upload files immediately upon adding them to the upload queue.
The Blazor File Upload component supports right-to-left rendering, which improves the user experience and accessibility for those who work with languages like Hebrew, Arabic, or Persian.
Fully supports WAI-ARIA accessibility, which allows the Blazor File Upload component to be accessed by on-screen readers and assistive devices.
Follows the WAI-ARIA Best Practices for implementing keyboard interaction.
The UI element visuals, such as foreground color, background color, line spacing, text, and images, were designed based on the WCAG 2.0 standard.
The Blazor File Upload component provides the best user experience across phone, tablet, and desktop form factors.
The Blazor File Upload component has form support (synchronous mode) to work with native HTML forms.
Developers can control the appearance and behaviors of the Blazor File Upload, including its file list, using a rich set of APIs.
File Upload is also available in Angular, React, Vue, and JavaScript frameworks that are built from their own TypeScript libraries. Check out the different File Upload platforms from the links below,
The Blazor File Upload works well with all modern web browsers such as Chrome, Firefox, Microsoft Edge, Safari, and Opera.
You can find our Blazor File Upload demo, which demonstrates how to render and configure the File Upload.
No, this is a commercial product and requires a paid license. However, a free community license is also available for companies and individuals whose organizations have less than $1 million USD in annual gross revenue, 5 or fewer developers, and 10 or fewer total employees.
A good place to start would be our comprehensive getting started documentation.
Documentation
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