Install-Package
CaptchaMvc.Mvc5
using System.Web.Mvc;
using CaptchaMvc.HtmlHelpers;
namespace MvcCaptcha.Controllers
{
public class HomeController : Controller
{
public ActionResult Index() { return View(); }
public ActionResult Captcha() { return View(); }
[CaptchaMvc.Attributes.CaptchaVerify("Captcha is not
valid")]
[HttpPost]
public ActionResult Captcha(string empty)
{
if (ModelState.IsValid)
{
ViewBag.ErrMessage = "Message: captcha is
valid.";
return View();
}
ViewBag.ErrMessage = "Error: captcha is not
valid.";
return View();
}
public ActionResult MathCaptcha() { return View(); }
[HttpPost]
public ActionResult MathCaptcha(string empty)
{
if (this.IsCaptchaValid("Captcha is not
valid"))
{
ViewBag.ErrMessage = "Message: captcha is
valid.";
return View();
}
ViewBag.ErrMessage = "Error: captcha is not
valid.";
return View();
}
}
}
@using CaptchaMvc.HtmlHelpers
@model
MvcCaptcha.Models.Feedback
@{ ViewBag.Title = "Word Captcha"; }
<style>.Error{color: red}.input-validation-error{border: 1px solid #ff0000;background-color: #ffeeee;}</style>
<h2>Word Captcha</h2>
@using (Html.BeginForm())
{
@Html.ValidationSummary(true)
<fieldset>
<legend>Feedback</legend>
<div class="editor-label">
@Html.LabelFor(model => model.Title)
</div>
<div class="editor-field">
@Html.TextBoxFor(model => model.Title, new { @class = "form-control"
})
@Html.ValidationMessageFor(model => model.Title)
</div>
<div class="editor-label">
@Html.LabelFor(model => model.Comment)
</div>
<div class="editor-field">
@Html.TextAreaFor(model => model.Comment, 3, 20, new{@class="form-control"})
@Html.ValidationMessageFor(model => model.Comment)
</div>
@*@Html.MathCaptcha()*@
@Html.Captcha(3)
<br />
<p class="Error"> @ViewBag.ErrMessage </p>
<p> <input type="submit" value="Send" /> </p>
</fieldset>
}
