在 ObservableCollection 中转换 (C# uwp)

Question

我正在为 UWP 编写一个应用程序。

我尝试根据此答案链接使用数据绑定。

这是我的课程：

 public class Billing
    {
        public string first_name { get; set; }
        public string last_name { get; set; }
        public string company { get; set; }
        public string address_1 { get; set; }
        public string address_2 { get; set; }
        public string city { get; set; }
        public string state { get; set; }
        public string postcode { get; set; }
        public string country { get; set; }
        public string email { get; set; }
        public string phone { get; set; }          
    }

    public class Shipping
    {
        public string first_name { get; set; }
        public string last_name { get; set; }
        public string company { get; set; }
        public string address_1 { get; set; }
        public string address_2 { get; set; }
        public string city { get; set; }
        public string state { get; set; }
        public string postcode { get; set; }
        public string country { get; set; }
    }

    public class RootObject
    {
        public int id { get; set; }
        public int parent_id { get; set; }
        public string status { get; set; }

        public string order_key { get; set; }
        public string currency { get; set; }
        public string version { get; set; }
        public bool prices_include_tax { get; set; }
        public string date_created { get; set; }
        public string date_modified { get; set; }
        public int customer_id { get; set; }
        public double discount_total { get; set; }
        public double discount_tax { get; set; }
        public double shipping_total { get; set; }
        public double shipping_tax { get; set; }
        public double cart_tax { get; set; }
        public double total { get; set; }
        public double total_tax { get; set; }
        public Billing billing { get; set; }
        public Shipping shipping { get; set; }
        public string payment_method { get; set; }
        public string payment_method_title { get; set; }
        public string transaction_id { get; set; }
        public string customer_ip_address { get; set; }
        public string customer_user_agent { get; set; }
        public string created_via { get; set; }
        public string customer_note { get; set; }
        public string date_completed { get; set; }
        public string date_paid { get; set; }
        public string cart_hash { get; set; }
        public List<object> line_items { get; set; }
        public List<object> tax_lines { get; set; }
        public List<object> shipping_lines { get; set; }
        public List<object> fee_lines { get; set; }
        public List<object> coupon_lines { get; set; }
    }

    public ObservableCollection<RootObject> Orders { get; set; }

这是代码：

List<RootObject> rootObjectData = JsonConvert.DeserializeObject<List<RootObject>>(products);
foreach (RootObject root in rootObjectData)
{
    string date = root.date_created;
    string name = root.billing.first_name + root.billing.last_name ;
    Orders = new ObservableCollection<RootObject> { new RootObject { date_created = date,billing = name } };
}

使用billing = name我有这个错误： Cannot implicitly convert type 'string' to 'Milano.InWork.Billing'

我该如何解决这个错误？ 也许这很简单，但我没有找到解决方案。 谢谢您的帮助！！

Answer 1

使用 billing = name 我有这个错误：无法隐式转换类型 'string' 到 'Milano.InWork.Billing'

当然会发生这样的错误，你的billing中的类RootObject的数据类型为Billing ，这是你定义的类。

仅从您的代码来看，我认为您只想在root.billing first_name和last_name显示为字符串，然后您可以更改代码public Billing billing { get; set; } public Billing billing { get; set; } public Billing billing { get; set; }在您的RootObject类中以public string billing { get; set; } public string billing { get; set; } public string billing { get; set; } .