using System.Web.Mvc;

namespace MvcApplication1.Controllers
{
    public class HomeController : Controller
    {
        //
        // GET: /Home/
        public ActionResult Index()
        {
            return View();
        }
    }
}

using System.Web.Mvc;

namespace MvcApplication2.Controllers
{
    public class HomeController : Controller
    {
        [NonAction]
        public string ShowData()
        {
            return "Text";
        }

        public ActionResult Index()
        {
            ViewBag.Message = string.Format("{0}/{1}/{2}",
                                              RouteData.Values["controller"],
                                              RouteData.Values["action"],
                                              RouteData.Values["id"]);
            return View();
        }

        public ActionResult Search(string data = "*")
        {
            // do something ...
            return View();
        }
    }
}

using System.Web.Mvc;

namespace MvcApplication2.Controllers
{
    public class ActionResultsController : Controller
    {
        //http://localhost/actionresults/welcome
        public string Welcome()
        {
            return "Hello, World";
        }

        //http://localhost/actionresults/index
        public ActionResult Index() // or ContentResult
        {
            return Content("Hello, World");
        }

        //http://localhost/actionresults/SendMail
        public void SendMail()
        {
        }

        public ActionResult SendMailCompleted() // or EmptyResult
        {
            // do whatever
            return new EmptyResult();
        }

        public ActionResult GetFile() // or FilePathResult
        {
            return File(Server.MapPath("~/content/site.css"), "text/css", "mySite.css");
        }

        public ActionResult UnauthorizedStatus() // or HttpStatusCodeResult/HttpUnauthorizedResult
        {
            return new HttpUnauthorizedResult("You need to login first.");
        }

        public ActionResult Status() // or HttpStatusCodeResult
        {
            return new HttpStatusCodeResult(501, "Server Error");
        }

        public ActionResult GetJavaScript() // or JavaScriptResult
        {
            return JavaScript("...JavaScript...");
        }

        public ActionResult GetJson() // or JsonResult
        {
            var obj = new { prop1 = 1, prop2 = "data" };
            return Json(obj, JsonRequestBehavior.AllowGet);
        }

        public ActionResult RedirectTo() // or RedirectResult
        {
            return RedirectPermanent("http://www.site.com");
            //return RedirectToAction("Home", "Index");
        }

        public ActionResult ShowView() // or ViewResult
        {
            return View();
        }
    }
}

[TestMethod]
public void TestMethod1()
{
    // Arrange
    var controller = new ActionResultsController();

    // Act
    var result = controller.Index() as ContentResult;

    // Assert
    Assert.NotNull(result);
    Assert.AreEqual( "Hello, World", result.Content);
}

  renderInput(name, label, type = "text", correspond) {
    const { data, errors } = this.state;
    return (
      <Input
        name={name}
        type={type}
        label={label}
        value={data[name]}
        onChange={this.handleChange}
        error={errors[name]}
        correspond={correspond}
      />
    );
  }

        <form onSubmit={this.handleSubmit}>
          {this.renderInput("username", "Username")}
          {this.renderInput("password", "Password", "password")}
          {this.renderInput(
            "confirmPassword",
            "Confirm Password",
            "password",
            "password"
          )}
          {this.renderInput("name", "Name")}
          {this.renderButton("Register")}
        </form>

  state = {
    data: { username: "", password: "", name: "", confirmPassword: "" },
    errors: {},
  };

  schema = {
    username: Joi.string()
      .required()
      .email({ minDomainSegments: 2, tlds: { allow: ["com", "net", "info"] } })
      .label("Username"),
    password: Joi.string().required().min(5).label("Password"),
    name: Joi.string().required().label("Name"),
    confirmPassword: Joi.any().valid(Joi.ref("password")).required().messages({
      "any.only": "با رمز عبور مطابقت ندارد",
    }),
  };

  validateProperty = ({ name, value, attributes }) => {
    const userInputObject = { [name]: value };
    const schemaMap = { [name]: this.schema[name] };

    if (attributes.correspond) {
      const correspondFieldName = attributes.correspond.value;
      userInputObject[correspondFieldName] = this.state.data[
        correspondFieldName
      ];
      schemaMap[correspondFieldName] = this.schema[correspondFieldName];
    }

    const propertySchema = Joi.object(schemaMap);
    const { error } = propertySchema.validate(userInputObject, {
      abortEarly: true,
    });
    return error ? error.details[0].message : null;
  };