asp.net mvc form not posting parameter values

Question

I'm hitting what I think is a pretty stupid issue that I am obviously missing something simple on.

I made a simple asp.net mvc site (.net 4.5) and changed the index to have a simple form that I'd like to just post back to itself and spit back the variables.
here is my form

@using(Html.BeginForm())
{
    <input type="text" class="form-control" id="empId" placeholder="Enter EmployeeId (ex. 999999)">
    <input type="text" class="form-control" id="account" placeholder="Enter account)">
    <input type="email" class="form-control" id="email" placeholder="Enter email">
    <input type="submit" class="btn btn-default" value="Submit" />
}

and here is my post method

[HttpPost]
public ActionResult Index(string empId, string account, string email)
{
    return Content(Request["empId"]);
}

I get nothing back when the page posts. Also in the debugger I can see that the method gets hit, however all the parameters are null even though I filled in the form.

Am I missing something obvious?

add name in addition to id: name="empId", name="account", name="email", ... And after your tests, please consider use model binding and model, it is more clean/smart :-) — clement
– clement, Commented May 19, 2015 at 14:24
thanks! that solved my problem. i'm just going to give up on programming for the day — user257655
– user257655, Commented May 19, 2015 at 14:26
cool, I made a full answer, please consider to validate it if it's ok — clement
– clement, Commented May 19, 2015 at 14:33
In my case, my model properties were Fields and not C# properties. — Abhijeet Nagre
– Abhijeet Nagre, Commented Nov 14, 2016 at 5:16

GidiBloke · Accepted Answer · 2019-04-10 09:36:55Z

16

You just forget the name attribute:

@using(Html.BeginForm())
{
    <input type="text" class="form-control" name="empId" id="empId" placeholder="Enter EmployeeId (ex. 999999)">
    <input type="text" class="form-control" name="account" id="account" placeholder="Enter account)">
    <input type="email" class="form-control" name="email" id="email" placeholder="Enter email">
    <input type="submit" class="btn btn-default" value="Submit" />
}

I always recommend to use model binding instead of some strings or int. If you use them well, it will make the model binding work effortlessly:

Model:

public class ExampleModel
{
public int empId { get; set; }
public string account{ get; set; }
public string email{ get; set; }
}

In the Razor page:

@using(Html.BeginForm())
    {
        @Html.EditorFor((m => m.intempId, new { @class = "form-control" } ))
        @Html.EditorFor((m => m.account, new { @class = "form-control" }))
        @Html.EditorFor((m => m.email, new { @class = "form-control" }))
    }

and then in controller:

[HttpPost]
public ActionResult Index(ExampleModel model)
{
    return Content(model.empId);
}

With the model, you can also add validation and so on, directly on the model and then ASP.NET MVC can put validation in both front-end with jQuery validation and back-end (if (ModelState.IsValid)). Lots of benefits to use models!

edited Apr 10, 2019 at 9:36

GidiBloke

4884 silver badges16 bronze badges

answered May 19, 2015 at 14:33

clement

4,27610 gold badges67 silver badges138 bronze badges

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2 Comments

C Bauer Over a year ago

Thank you for providing the OP with the correct way to handle these things in MVC :)

clement Over a year ago

A little bit of help is always welcome when you start new technology :-)

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