Button TagHelper Overview

The Telerik UI Button TagHelper for ASP.NET Core is a server-side wrapper for the Kendo UI Button widget.

The Button provides a styled clickable UI functionality with arbitrary content. Apart from consistent Kendo UI for jQuery styling, the Button provides keyboard operability for elements, which natively do not have it—for example, span.

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Initializing the Button

The following example demonstrates how to define the Button by using the Button TagHelper.

    <kendo-button name="button1">Click here!</kendo-button>

Basic Configuration

The Button TagHelper configuration options are passed as attributes of the tag.

  • The name attribute is mandatory as its value will be used for the id attribute of the Button element. Moreover, the id is used to properly initialize the Button widget. The id attribute value is also used to retrieve its client-side instance.
  • The enable attribute determines whether the widget will be initially enabled (by default) or disabled.
  • The tag attribute allows you to determine whether the widget will be initialized from a <button> element (by default), or an <a> element.
  • The image-url attribute defines a URL (it can be relative or absolute), which will be used for an img element inside the Button. The img element is added automatically by the widget.
  • The icon attribute applies an icon that exists in the Kendo UI theme sprite as a background image of a generated span element inside the Button. For a list of available icons, refer to the Web Font Icons document. To add a custom icon, use the icon-class attribute. It accepts CSS classes.
  • The sprite-css-class attribute defines a CSS class (or multiple classes separated by spaces), which will be used for applying a background image to a generated span element inside the Button.
  • The badge tag accommodates a Badge within the Button to enhance the meaning of the text content.

        <kendo-button name="imageButton" enable="true" tag="a" image-url="/shared/icons/sports/snowboarding.png">
                <badge text="+1" 
                align="@BadgeAlign.TopEnd" />
        Image button

            .Content("Image button"))
            .Badge(b => b

Functionality and Features

See Also

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