How do I retrieve values from Html.TextBox MVC 2 asp.net C#?

Question

I'm working on a school project and I need some help. I've created a form and I want to get the submitted values from it. Is it possible to do this without using JavaScript? And in that case, how do I do it?

Form:

<div id="secondRowInputBox">
        <% using (Html.BeginForm("Index","Home",FormMethod.Post))
        {%>
            <%= Html.TextBox("Id")%> <br />
            <%= Html.TextBox("CustomerCode") %><br />
            <%= Html.TextBox("Amount") %><br />
            <input type="submit" value="Submit customer data" />
        <%} %>
    </div>

Henk Mollema · Accepted Answer · 2013-10-08 09:05:29Z

2

Just create an HttpPost action in your controller accepting the form values as parameters:

[HttpPost]
public ActionResult Index(int id, string customerCode, int amount)
{
    // You can change the type of the parameters according to the input in the form.
    // Process data.    
}

You might want to look into model binding. This allows you to create strongly-typed views and saves you the trouble of creating actions with dozens of parameters.

edited Oct 8, 2013 at 9:05

answered Oct 8, 2013 at 8:58

Henk Mollema

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Vinay Pratap Singh Bhadauria · Accepted Answer · 2013-10-08 09:32:49Z

1

You have already done half the work, now in home controller make an actionresult

[HttpPost]
public ActionResult Index(int id, string customerCode, int amount)
{
// work here.
}

form post method will call this method, as you have specified it in the begin form parameters.

It will be better if you use a model for passing values and use it in view for form elements

[HttpPost]
public ActionResult Index(ModelName modelinstance)
{
// work here.
}

Sample loginModel

public class LoginModel
{
    [Required]
    [Display(Name = "Username:")]
    public String UserName { get; set; }

    [Required]
    [Display(Name = "Password:")]
    [DataType(DataType.Password)]
    public String Password { get; set; }
}

now if was using this login model in the form

then for the controller action, modelinstance is simply the object of model class

[HttpPost]
public ActionResult Index(LoginModel loginDetails)
{
// work here.
}

if you have a lot of variables in the form then having a model helps as you don't need to write for all the properties.

edited Oct 8, 2013 at 9:32

answered Oct 8, 2013 at 9:01

Vinay Pratap Singh Bhadauria

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1 Comment

Mangs Over a year ago

How do I use the modelinstance to get the values?

Teddy · Accepted Answer · 2013-10-08 09:10:25Z

0

Henk Mollema's answer is good. Here to say something more on it.

Html.TextBox will generate html like below one, there's a name attribute.

<input id="CustomerCode" name="CustomerCode" type="text">

When you submit the form, all the values of input fields can be get from Request.Form by name attribute as key Request.Form["CustomerCode"], and ASP.NET MVC has done some magic for us, so it can simply go into the param of the action method.

answered Oct 8, 2013 at 9:10

Teddy

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