CaptchaExtension.GetIsValid(String) Method

Gets a value that indicates whether the text entered into the text box coincides with the automatically generated code displayed within the challenge image.

Namespace: DevExpress.Web.Mvc

Assembly: DevExpress.Web.Mvc5.v24.1.dll

NuGet Package: DevExpress.Web.Mvc5

Declaration

C#

public static bool GetIsValid(
    string extensionName
)

VB.NET

Public Shared Function GetIsValid(
    extensionName As String
) As Boolean

Parameters

Name	Type	Description
extensionName	String	A String value specifying the captcha extension name.

Returns

Type	Description
Boolean	true, if the entered text successfully passed verification; otherwise, false.

Related GitHub Examples

The following code snippet (auto-collected from DevExpress Examples) contains a reference to the GetIsValid(String) method.

Note

The algorithm used to collect these code examples remains a work in progress. Accordingly, the links and snippets below may produce inaccurate results. If you encounter an issue with code examples below, please use the feedback form on this page to report the issue.

C#

asp-net-mvc-data-editors-use-ajax-to-validate-captcha-and-submit-form/CS/AjaxSupport/Controllers/HomeController.cs#L24

{
    if (CaptchaExtension.GetIsValid("Captcha") && ModelState.IsValid)
    {

VB.NET

asp-net-mvc-data-editors-use-ajax-to-validate-captcha-and-submit-form/VB/AjaxSupport/Controllers/HomeController.vb#L21

Public Function Index2(ByVal model As MyModel) As ActionResult
    If CaptchaExtension.GetIsValid("Captcha") AndAlso ModelState.IsValid Then
        ViewData("Key") = "Successfull"