New to Telerik UI for ASP.NET MVC? Download free 30-day trial

CaptchaTagHelper

Example

<kendo-captcha>
    <audio-handler />
    <handler />
    <messages />
    <validation-handler />
</kendo-captcha>

ChildTags

Tag Name Details
audio-handler CaptchaAudioHandlerSettingsTagHelper
handler CaptchaHandlerSettingsTagHelper
messages CaptchaMessagesSettingsTagHelper
validation-handler CaptchaValidationHandlerSettingsTagHelper

Attributes

Attribute Type Description
name String Sets the name of the component.
captcha-id String The ID of the captcha to be added to the hidden input initially. If not set the handler to reset the ID will be called.
captcha-image String The source of an image to be rendered as captcha initially. If not set the handler to reset the image will be called.
data-captcha-field String The field that returns the captcha's image source. Used in the handler function/response that resets the captcha's image and id.
data-captcha-id-field String The field that returns the captcha's id. Used in the handler function/response that resets the captcha's image and id.
deferred Boolean Suppress initialization script rendering. Note that this options should be used in conjunction with DeferredScripts method.
is-in-client-template Boolean When placing a Tag Helper within a Kendo Template, set the type to text/html and add the is-in-client-template="true" attribute.
as-module Boolean
audio-button Boolean Toggles the audio button.
for ModelExpression An expression to be evaluated against the current model.
has-client-component Boolean
on-change String Fired when users changes the input of the Captcha component.
on-error String Fired when a request triggered by the component fails - can be distinguished via the type argument in the event data.
on-request-end String Fired when a request to a handler is finished - can be distinguished via the type argument in the event data.
on-request-start String Fired when the captcha makes a request to a handler - can be distinguished via the type argument in the event data.
reset-button Boolean Toggles the reset button.
sanitize-id Boolean
script-attributes IDictionary<String,Object>
validate-on-blur Boolean Whether to trigger validation when input is blurred. This option is useful if you are not using the Kendo Validator or the Kendo Form widgets as it enables to automatically trigger remote validation and use the widet's API in custom validation scenario.
volume-control Boolean Whether to show a volume control when audio is played.
In this article
Not finding the help you need?