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ASP.NET Core Upload Keyboard Navigation

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keyboard_navigation.cshtml
Keyboard_NavigationController.cs

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CLIENT-SIDE API HTML HELPER API

Description

Keyboard navigation provides all web and app users with a fast keyboard-only navigation capability and is also part of the web accessibility features—it enables users with disabilities to fully control their website or app access through the keyboard.

By default, users can only navigate to links, buttons, and form controls with a keyboard. The navigation order in which interactive items receive keyboard focus has to be logical and intuitive. Generally, keyboard navigation logic needs to follow the visual horizontal and vertical flow of the page, for example, left to right and top to bottom, header first followed by the main and then the page navigation.

The keyboard navigation of the Telerik UI for ASP.NET Core Upload is based on the key-down events on the wrapper element of the component and is always available, as demonstrated in this demo. You can review the following available key combinations.

Focus

  • Alt + w Focuses the widget

Supported keys and user actions

  • Tab Focuses the Select File Button, or the action buttons (Cancel, Upload) after the file list
  • Space or Enter Opens the Select file dialog if the Select files button is focused.
  • Down arrow Highlights the next file in the file list, or the Clear button if the end of the list is reached.
  • Up arrow Highlights the previous file in the file list, or the Select files button if the top of the list is reached.
  • Enter Retries the upload of the failed file when the focus is on a file list item or starts the file upload for a valid file.
  • Escape Cancels the upload of the highlighted file when the focus is on a file list item
  • Delete Removes the highlighted file when the focus is on a file list item
  • Space When Chunk upload is enabled Start or Pause the highlighted file upload
  • Left arrow or Right arrow Navigate between the Play/Pause, Cancel, Remove buttons of a highlighted file list item

Additional Apps

This Upload example is part of unique collection of hundreds of ASP.NET Core demos, with which you can see all Telerik ASP.NET Core components and their features in action. View the source code of the demos from the library or directly adapt, and edit them and their theme appearance in Telerik REPL for ASP.NET Core or ThemeBuilder.

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