Building RESTful Web Services with .NET Core

PUT – api/Carts/{id}

Now that we have added one cart record, let's move to update that record whenever a customer repeatedly hits the Add To Cart button. We already have the code that updates the quantity and price on the client-side table, so we just need to write the code to call the PUT endpoint to update the record, as follows:

function PutCart(cartItem) {  var cart =   {    Id: cartItem.attr('data-cart-id'),    Customerid: '910D4C2F-B394-4578-8D9C-7CA3FD3266E2',    Productid: cartItem.attr('data-product-id'),    Qty: cartItem.find('td.qty').html(),    Finalprice: cartItem.find('td.price').html().replace('$', '')  };  $.ajax({    url: 'http://localhost:57571/api/Carts/' + cart.Id,    type: "PUT",    contentType: "application/json",    dataType: "json",    data: JSON.stringify(cart), ...