File Download

• Dec 17, 2020

You can provide your end-users with an ability to download files selected within FileManager.

Note

To enable the file downloading functionality within your FileManager, the Partial View with FileManager must be wrapped with the HTML form.

Download Initiation

File download can be initiated in the following manner.

• Via a user interface.

  A specific download button can be displayed within a toolbar by enabling the FileManagerSettingsToolbar.ShowDownloadButton (via the FileManagerSettings.SettingsToolbar.ShowDownloadButton) property. A click on this button initiates a download of the selected files.

  

• Programmatically.

  Call the client-side ASPxClientFileManagerFile.Download method of an object that represents the file to download it.

  JS

  fileManager1.GetSelectedFile().Download();
  

File Processing

FileManager allows you to process the downloaded file and to cancel the file download if required. You can respond to the initiated file download operation in the following manner.

• On the Client-Side - Handle the ASPxClientFileManager.FileDownloading client event.
• On the Server-Side - Pass the FileManagerFileDownloadingEventHandler delegate as a parameter to the FileManagerExtension.DownloadFiles method.

For instance, you can use a server-side event to add a watermark to downloaded image files.