Request.Form always comes up empty

Question

User1266884534 posted

I have a simple form that submits to an actionResult method on a controller. The issue I am facing is that the Request.Form collection is always coming up empty on the other side.

Here is my form.

@using (Html.BeginForm("LoginUserActionResult", "Home", FormMethod.Post, new {id = "SignInForm"}))
{
<form class="form-signin" id="SignInForm">
<img class="mb-4" src="" alt="" width="72" height="72">
<h1 class="h3 mb-3 font-weight-normal">Please sign in</h1>
<label for="inputEmail" class="sr-only">Email address</label>
<input type="email" id="inputEmail" class="form-control" placeholder="Email address" required autofocus>
<label for="inputPassword" class="sr-only">Password</label>
<input type="password" id="inputPassword" class="form-control" placeholder="Password" required>
<div class="checkbox mb-3">
<label>
<input type="checkbox" value="remember-me"> Remember me
</label>
</div>
<span class="btn btn-lg btn-primary btn-block" type="submit">Sign in</span>
<input type="submit" class="btn btn-lg btn-primary btn-block" value="Submit" />
</form>
}

Here is my controller method.

[HttpPost]
public ActionResult LoginUserActionResult()
{

var inputEmail = Request.Form["inputEmail"];
var inputPassword = Request.Form["inputPassword"];

if (String.IsNullOrEmpty(inputEmail) || String.IsNullOrEmpty(inputPassword))
{
ViewBag.Message = "Enter Valid Email and Password in order to continue!";
return View("Index");
}

Session["UserName"] = inputEmail;
var wc = new WebClient();
var response = wc.DownloadString($"http://localhost:1123/api/Login?username={inputEmail}&hashpassword={inputPassword}");
ViewBag.LoginResponse = response;
return View("PaymentHistory");
}

Answer 1

User-474980206 posted

a browser html form submit on includes form elements (input, select, textarea) that have  a name attribute. they must also be enabled, and in the case of checkbox/radio must be checked. as none of your <input>'s have a name attribute, they will not be in the post data.

Answer 2

User1520731567 posted

Hi learning_to_code,

As @bruce said,you just add name attribute in your html tag,for example:

<input type="email" id="inputEmail" name="inputEmail"class="form-control" placeholder="Email address" required autofocus>

Controller get value from html tags' name,actually,you just could add the same name parameter,like:

public ActionResult LoginUserActionResult(string inputEmail)//inputEmail parameter is the same with Request.Form["inputEmail"]
        {
            var inputEmail2 = Request.Form["inputEmail"];
            return View();
        }

Best Regards.

Yuki Tao