C# MVC - Passing object with list of another object inside

Question

I want to post an object that has list of another object inside, MVC is receiving the object as null.

MVC Post

[HttpPost]
public ActionResult Create(ObjectWithList objectWithList) { 
  // While debugging objectWithList has its properties null
}

ObjectWithList

public class ObjectWithList
{
    public List<Foo> Foo { get; set; }
    public AnotherFoo AnotherFoo { get; set; }
}

Foo and AntoherFoo are classes with normal properties, like string, etc.

Using Postman I POST: Headers: Content-Type as application/json Body (raw):

{
    "Foo": [
        {
          "Name": "test"
        },
        {
         "Name": "test"
        }
   ],
   "AnotherFoo": {
       "Name": "asd",
       "Email": "[email protected]"
   }
}

If I just pass "Foo" empty:

{
    "Foo": [
            {}
    ]
    ...

it works, (fills AnotherFoo). But as soon as i try to pass something inside Foo, MVC gets everything as null.

I'm correctly naming the properties of Foo and AnotherFoo on the JSON

Have you tried the [FromBody] attribute on the controller action? — Igor Dimchevski
– Igor Dimchevski, Commented Jun 6, 2017 at 7:28

Igor Dimchevski · Accepted Answer · 2017-06-06 07:47:10Z

1

Have you tried the [FromBody] attribute on the controller action?

[HttpPost]
public ActionResult Create([FromBody]ObjectWithList objectWithList) { 

}

edited Jun 6, 2017 at 7:47

answered Jun 6, 2017 at 7:29

Igor Dimchevski

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Comments

Graham · Accepted Answer · 2017-09-23 05:27:27Z

0

Try something like:

var foos = {
 "Foo": [
        {
          "Name": "test"
        },
        {
         "Name": "test"
        }
   ],
   "AnotherFoo": {
       "Name": "asd",
       "Email": "[email protected]"
   }
};

$.ajax({
    url: "YourUrl",
    type: "POST",
    contentType: "application/json",
    data: JSON.stringify({ objectWithList: foos })
}).done(function(result){
//do something
});

edited Sep 23, 2017 at 5:27

Graham

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answered Jun 6, 2017 at 3:25

Ashiquzzaman

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