How to access array of fields from a form in ASP.NET?

Question

Please forgive me if this question is a duplicate, because I could not find the answer to this question anywhere else on Stack Overflow.

I have a form in ASP.NET that has multiple fields, and more fields can be added through jQuery. In my form, I want an array of friends.

This is the friend class:

public class Friend {
    public string Name { get; set; }
    public int Age { get; set; }
}

This is my form, and users can add as many friends as they want, by clicking a button that adds a row with these two fields. For example:

<table>
    <tr>
        <input type="text" name="friend[0].Name" />
        <input type="text" name="friend[0].Age" />
    </tr>
    <tr>
        <input type="text" name="friend[1].Name" />
        <input type="text" name="friend[1].Age" />
    </tr>
    <tr>
        <input type="text" name="friend[2].Name" />
        <input type="text" name="friend[2].Age" />
    </tr>
    ...
</table>

How would I access these as a list of friends, in my function in the controller?

Turan · Accepted Answer · 2016-04-23 14:49:40Z

3

I Think you're almost there,

<form method="post" action="/Home/UpdateFriends">

    <input type="text" name="[0].Name" value="Curious George" />
    <input type="text" name="[0].Age" value="20" />

    <input type="text" name="[1].Name" value="Code Complete" />
    <input type="text" name="[1].Age" value="50" />



    <input type="submit" />
</form>

controller should look like this

//Action method on HomeController
public ActionResult UpdateFriends(ICollection<Friend> friends) {
    //your code here
}

this article explains it more in depth.

answered Apr 23, 2016 at 14:49

Turan

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