How to pass Array of Objects from Angular Front-end to C# Back-end

Question

I've generated an array of objects in Angular and I want it to send it to the C# controller. How can I do this?

This is the code for generating the array of objects.

var addObjectToArray = function (id, price, quantity, tax) {
  $scope.element = {
    prodId: id,
    patientId: $state.params.patientId,
    clinicId: $cookies.get("clinicId"),
    user: authService.authentication.userName,
    price: price,
    quantity: quantity,
    tax: tax,
    subtotal: price * quantity,
    total: price * quantity + tax
  };
  $scope.productsArray.push({ product: $scope.element });
}

This is the C# controller. How can I pass the array of objects as the second parameter in the C# Controller?

[HttpPost]
[Route("... the route ...")]
[ResponseType(typeof(int))]
public IHttpActionResult InsertNewProductTotal(int clinicId) // << HOW CAN I GET THE ARRAY OF OBJECTS HERE ??? >>
{
    var newAttorney = _productSaleLogic.InsertNewProductTotal(clinicId, productsList);
    return Created(Request.RequestUri.ToString(), newAttorney);
}

Thanks for help!

Create a ViewModel (class) which will contain a Id property and collection (of type IEnumerable) property — shammelburg
– shammelburg, Commented Apr 29, 2016 at 13:59

Federico Dipuma · Accepted Answer · 2016-04-29 14:15:04Z

Assuming your Route contains the clinicId, in a way similar to this:

[Route("{clinicId:int}")]

Then you need to add a parameter to your controller action using the correct type:

public IHttpActionResult InsertNewProductTotal(int clinicId, [HttpPost] Product[] productsList)
{
    var newAttorney = _productSaleLogic.InsertNewProductTotal(clinicId, productsList);
    return Created(Request.RequestUri.ToString(), newAttorney);
}

where Product is a class that represents your javascript object:

public class Product {
    public int prodId {get; set;}
    public int patientId {get; set;}
    //etc.
}

In your angular Controller you have to use the $http service to post the array of objects to your api endpoint:

$http.post("http://myapihost/myapiPath/" + clinicId, $scope.productsArray)
    .then(function (response) {
        //ok! do something
    }, function (error) {
        //handle error
    });

Of course, if you are not putting the clinicId parameter inside your Route attribute, then you should use the following URI for your $http.post: "http://myapihost/myapiPath?clinicId=" + clinicId.

suulisin · Accepted Answer · 2016-04-29 18:31:17Z

0

[HttpPost]
[Route("api/products/{clinicId}")]

public IHttpActionResult InsertNewProductTotal(int clinicId,[FromBody]Product[]) // << HOW CAN I GET THE ARRAY OF OBJECTS HERE ??? >>
{
    var newAttorney = _productSaleLogic.InsertNewProductTotal(clinicId, productsList);
    return Created(Request.RequestUri.ToString(), newAttorney);
}

then From angular you can do something like this

$http.post("http://api/products/" + clinicId, $scope.productsArray)
    .then(function (response) {
        //ok! do something
    }, function (error) {
        //handle error
    })

answered Apr 29, 2016 at 18:31

suulisin

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