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Accessibility in Blazor DateRangePicker component

08 Apr 2021 / 3 minutes to read

The web accessibility makes web content and web applications more accessible for people with disabilities. It especially helps in dynamic content change and development of advanced user interface controls with AJAX, HTML, JavaScript, and related technologies. DateRangePicker provides built-in compliance with WAI-ARIA specifications. WAI-ARIA support is achieved through the attributes like aria-expanded, aria-disabled, and aria-activedescendant applied as an input element.

To learn about the accessibility of Calendar, refer to the Calendar’s Accessibility section.

It helps people with disabilities by providing information about the widget for assistive technology in the screen readers. DateRangePicker component contains grid role and grid cell for each day cell.

  • aria-expanded: Indicates the currently selected date of the DateRangePicker component.
  • aria-disabled: Indicates the disabled state of the DateRangePicker component.

Keyboard interaction

Use the following keys to interact with the DateRangePicker. This component implements the keyboard navigation support by following the WAI-ARIA practices.

It supports the following list of shortcut keys:

Input navigation

Before opening the popup, use the following list of keys to control the popup element.

Keys Explanation
Alt + Down Arrow Opens the popup.
Alt + Upper Arrow Closes the popup.
Esc Closes the popup.

Calendar navigation

Use the following list of keys to navigate the currently focused Calendar after the popup has opened:

Keys Explanation
Upper Arrow Focuses the same day of the previous week.
Down Arrow Focuses the same day of the next week.
Left Arrow Focuses the day before.
Right Arrow Focuses the next day.
Home Focuses the first day of the month.
End Focuses the last day of the month.
Page Up Focuses the same date of the previous month.
Page Down Focuses the same date of the next month.
Enter Selects the currently focused date.
Shift + Page Up Focuses the same date for the previous year.
Shift + Page Down Focuses the same date for the next year.
Control + Home Focuses the first date of the current year.
Control + End Focuses the last date of the current year.
Alt + Right Focuses through out the pop-up container in forward direction.
Alt + Left Focuses through out the pop-up container in backward direction.

To focusout the DateRangePicker component use the t keys. For additional information about native event, click here.

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@using Syncfusion.Blazor.Calendars

<SfDateRangePicker TValue="DateTime?" @onkeypress="@(e => KeyPressed(e))" @ref="RangeObj"></SfDateRangePicker>

@code {
public SfDateRangePicker RangeObj;
public void KeyPressed(KeyboardEventArgs args)
    if (args.Key == "t")