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The Upload Control allows users to upload files from a client computer and save them on the server.
Standard and Advanced Upload Modes (Learn more)
The control can work in either Standard or Advanced upload mode. In Standard mode, a file is sent to the server in one request and is cached in server memory. In Advanced mode, a file is sent to the server in small packets (one by one) and is saved in a temporary file in a specific server folder.
The control allows users to choose multiple files to upload in a single open dialog.
The uploaded file can be automatically validated on the server. If the validation fails, the control can display an error message. Developers can also implement custom validation logic.
The control allows you to specify external zones where files can be dropped and added to the upload control.
The control allows users to upload files to the most popular cloud services: Amazon, Azure, Dropbox, Google Drive, and One Drive.