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Docs > ASP.NET Core Bootstrap Controls > Data Editors > Upload Control
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Upload Control

  • 2 minutes to read
IMPORTANT

Bootstrap Controls for ASP.NET Core are in maintenance mode. We don’t add new controls or develop new functionality for this product line. Our recommendation is to use the ASP.NET Core Controls suite.

The Bootstrap Upload Control is a tool which can be used in a web application for saving client files to the server via the browser. It offers a number of advanced features such as uploading files via AJAX callbacks, built-in validation of the uploaded file against the specified criteria (for instance, the file’s size, extension and mime types), an enhanced client-side API and others.

UploadControl

NOTE

See Online Demos: Refer to the online demos at: https://demos.devexpress.com/aspnetcore-bootstrap/Editors-UploadControl for detailed information on the Upload Control’s features and API.

The Upload Control provides the following features:

  • Upload of the specified client file is initiated automatically on the last postback.
  • File upload initiated by the Upload button or the Upload client method is performed using the AJAX callback technology, which improves the web application’s performance.
  • The uploaded file can be automatically validated on the server, based upon a number of settings defined via the ValidationSettings method. If the validation fails, a descriptive error message is displayed within the Upload Control’s error form, informing an end-user about the reason for the error.
  • Efficient facilities are provided to access the uploaded file’s content and save the file to a specific location on the server. Assigning a random file name to the uploaded file is allowed, to prevent overwriting the existing file.
  • The client-side API allows you to initiate the file upload to the server, operate the control’s visibility on the client and obtain information about text within the edit box.
  • You can use client-side events to perform custom actions when file upload is initiated, completed, and when end-users add, delete or edit text within the control’s edit box.
  • The Progress panel displays upload progress in real-time. A specific Cancel button can be used to stop uploading.
See Also