Гайд Получение курса от ЦБ РФ

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1. Копипастите код ниже в свой проект
Код:
public class CenterBankAPI
{
    public void Get()
    {
        using (WebClient client = new WebClient())
        {
            string json = client.DownloadString("[URL]https://www.cbr-xml-daily.ru/daily_json.js[/URL]");
            CenterBankRoot centerBankRoot = JsonConvert.DeserializeObject<CenterBankRoot>(json);
            client.Dispose();
        }
    }



    public class Currency
    {
        public class AMD
        {
            public string ID { get; set; }
            public string NumCode { get; set; }
            public string CharCode { get; set; }
            public int Nominal { get; set; }
            public string Name { get; set; }
            public double Value { get; set; }
            public double Previous { get; set; }
        }

        public class AUD
        {
            public string ID { get; set; }
            public string NumCode { get; set; }
            public string CharCode { get; set; }
            public int Nominal { get; set; }
            public string Name { get; set; }
            public double Value { get; set; }
            public double Previous { get; set; }
        }

        public class AZN
        {
            public string ID { get; set; }
            public string NumCode { get; set; }
            public string CharCode { get; set; }
            public int Nominal { get; set; }
            public string Name { get; set; }
            public double Value { get; set; }
            public double Previous { get; set; }
        }

        public class BGN
        {
            public string ID { get; set; }
            public string NumCode { get; set; }
            public string CharCode { get; set; }
            public int Nominal { get; set; }
            public string Name { get; set; }
            public double Value { get; set; }
            public double Previous { get; set; }
        }

        public class BRL
        {
            public string ID { get; set; }
            public string NumCode { get; set; }
            public string CharCode { get; set; }
            public int Nominal { get; set; }
            public string Name { get; set; }
            public double Value { get; set; }
            public double Previous { get; set; }
        }

        public class BYN
        {
            public string ID { get; set; }
            public string NumCode { get; set; }
            public string CharCode { get; set; }
            public int Nominal { get; set; }
            public string Name { get; set; }
            public double Value { get; set; }
            public double Previous { get; set; }
        }

        public class CAD
        {
            public string ID { get; set; }
            public string NumCode { get; set; }
            public string CharCode { get; set; }
            public int Nominal { get; set; }
            public string Name { get; set; }
            public double Value { get; set; }
            public double Previous { get; set; }
        }

        public class CHF
        {
            public string ID { get; set; }
            public string NumCode { get; set; }
            public string CharCode { get; set; }
            public int Nominal { get; set; }
            public string Name { get; set; }
            public double Value { get; set; }
            public double Previous { get; set; }
        }

        public class CNY
        {
            public string ID { get; set; }
            public string NumCode { get; set; }
            public string CharCode { get; set; }
            public int Nominal { get; set; }
            public string Name { get; set; }
            public double Value { get; set; }
            public double Previous { get; set; }
        }

        public class CZK
        {
            public string ID { get; set; }
            public string NumCode { get; set; }
            public string CharCode { get; set; }
            public int Nominal { get; set; }
            public string Name { get; set; }
            public double Value { get; set; }
            public double Previous { get; set; }
        }

        public class DKK
        {
            public string ID { get; set; }
            public string NumCode { get; set; }
            public string CharCode { get; set; }
            public int Nominal { get; set; }
            public string Name { get; set; }
            public double Value { get; set; }
            public double Previous { get; set; }
        }

        public class EUR
        {
            public string ID { get; set; }
            public string NumCode { get; set; }
            public string CharCode { get; set; }
            public int Nominal { get; set; }
            public string Name { get; set; }
            public double Value { get; set; }
            public double Previous { get; set; }
        }

        public class GBP
        {
            public string ID { get; set; }
            public string NumCode { get; set; }
            public string CharCode { get; set; }
            public int Nominal { get; set; }
            public string Name { get; set; }
            public double Value { get; set; }
            public double Previous { get; set; }
        }

        public class HKD
        {
            public string ID { get; set; }
            public string NumCode { get; set; }
            public string CharCode { get; set; }
            public int Nominal { get; set; }
            public string Name { get; set; }
            public double Value { get; set; }
            public double Previous { get; set; }
        }

        public class HUF
        {
            public string ID { get; set; }
            public string NumCode { get; set; }
            public string CharCode { get; set; }
            public int Nominal { get; set; }
            public string Name { get; set; }
            public double Value { get; set; }
            public double Previous { get; set; }
        }

        public class INR
        {
            public string ID { get; set; }
            public string NumCode { get; set; }
            public string CharCode { get; set; }
            public int Nominal { get; set; }
            public string Name { get; set; }
            public double Value { get; set; }
            public double Previous { get; set; }
        }

        public class JPY
        {
            public string ID { get; set; }
            public string NumCode { get; set; }
            public string CharCode { get; set; }
            public int Nominal { get; set; }
            public string Name { get; set; }
            public double Value { get; set; }
            public double Previous { get; set; }
        }

        public class KGS
        {
            public string ID { get; set; }
            public string NumCode { get; set; }
            public string CharCode { get; set; }
            public int Nominal { get; set; }
            public string Name { get; set; }
            public double Value { get; set; }
            public double Previous { get; set; }
        }

        public class KRW
        {
            public string ID { get; set; }
            public string NumCode { get; set; }
            public string CharCode { get; set; }
            public int Nominal { get; set; }
            public string Name { get; set; }
            public double Value { get; set; }
            public double Previous { get; set; }
        }

        public class KZT
        {
            public string ID { get; set; }
            public string NumCode { get; set; }
            public string CharCode { get; set; }
            public int Nominal { get; set; }
            public string Name { get; set; }
            public double Value { get; set; }
            public double Previous { get; set; }
        }

        public class MDL
        {
            public string ID { get; set; }
            public string NumCode { get; set; }
            public string CharCode { get; set; }
            public int Nominal { get; set; }
            public string Name { get; set; }
            public double Value { get; set; }
            public double Previous { get; set; }
        }

        public class NOK
        {
            public string ID { get; set; }
            public string NumCode { get; set; }
            public string CharCode { get; set; }
            public int Nominal { get; set; }
            public string Name { get; set; }
            public double Value { get; set; }
            public double Previous { get; set; }
        }

        public class PLN
        {
            public string ID { get; set; }
            public string NumCode { get; set; }
            public string CharCode { get; set; }
            public int Nominal { get; set; }
            public string Name { get; set; }
            public double Value { get; set; }
            public double Previous { get; set; }
        }

        public class RON
        {
            public string ID { get; set; }
            public string NumCode { get; set; }
            public string CharCode { get; set; }
            public int Nominal { get; set; }
            public string Name { get; set; }
            public double Value { get; set; }
            public double Previous { get; set; }
        }

        public class CenterBankRoot
        {
            public DateTime Date { get; set; }
            public DateTime PreviousDate { get; set; }
            public string PreviousURL { get; set; }
            public DateTime Timestamp { get; set; }
            public Valute Valute { get; set; }
        }

        public class SEK
        {
            public string ID { get; set; }
            public string NumCode { get; set; }
            public string CharCode { get; set; }
            public int Nominal { get; set; }
            public string Name { get; set; }
            public double Value { get; set; }
            public double Previous { get; set; }
        }

        public class SGD
        {
            public string ID { get; set; }
            public string NumCode { get; set; }
            public string CharCode { get; set; }
            public int Nominal { get; set; }
            public string Name { get; set; }
            public double Value { get; set; }
            public double Previous { get; set; }
        }

        public class TJS
        {
            public string ID { get; set; }
            public string NumCode { get; set; }
            public string CharCode { get; set; }
            public int Nominal { get; set; }
            public string Name { get; set; }
            public double Value { get; set; }
            public double Previous { get; set; }
        }

        public class TMT
        {
            public string ID { get; set; }
            public string NumCode { get; set; }
            public string CharCode { get; set; }
            public int Nominal { get; set; }
            public string Name { get; set; }
            public double Value { get; set; }
            public double Previous { get; set; }
        }

        public class TRY
        {
            public string ID { get; set; }
            public string NumCode { get; set; }
            public string CharCode { get; set; }
            public int Nominal { get; set; }
            public string Name { get; set; }
            public double Value { get; set; }
            public double Previous { get; set; }
        }

        public class UAH
        {
            public string ID { get; set; }
            public string NumCode { get; set; }
            public string CharCode { get; set; }
            public int Nominal { get; set; }
            public string Name { get; set; }
            public double Value { get; set; }
            public double Previous { get; set; }
        }

        public class USD
        {
            public string ID { get; set; }
            public string NumCode { get; set; }
            public string CharCode { get; set; }
            public int Nominal { get; set; }
            public string Name { get; set; }
            public double Value { get; set; }
            public double Previous { get; set; }
        }

        public class UZS
        {
            public string ID { get; set; }
            public string NumCode { get; set; }
            public string CharCode { get; set; }
            public int Nominal { get; set; }
            public string Name { get; set; }
            public double Value { get; set; }
            public double Previous { get; set; }
        }

        public class Valute
        {
            public AUD AUD { get; set; }
            public AZN AZN { get; set; }
            public GBP GBP { get; set; }
            public AMD AMD { get; set; }
            public BYN BYN { get; set; }
            public BGN BGN { get; set; }
            public BRL BRL { get; set; }
            public HUF HUF { get; set; }
            public HKD HKD { get; set; }
            public DKK DKK { get; set; }
            public USD USD { get; set; }
            public EUR EUR { get; set; }
            public INR INR { get; set; }
            public KZT KZT { get; set; }
            public CAD CAD { get; set; }
            public KGS KGS { get; set; }
            public CNY CNY { get; set; }
            public MDL MDL { get; set; }
            public NOK NOK { get; set; }
            public PLN PLN { get; set; }
            public RON RON { get; set; }
            public XDR XDR { get; set; }
            public SGD SGD { get; set; }
            public TJS TJS { get; set; }
            public TRY TRY { get; set; }
            public TMT TMT { get; set; }
            public UZS UZS { get; set; }
            public UAH UAH { get; set; }
            public CZK CZK { get; set; }
            public SEK SEK { get; set; }
            public CHF CHF { get; set; }
            public ZAR ZAR { get; set; }
            public KRW KRW { get; set; }
            public JPY JPY { get; set; }
        }

        public class XDR
        {
            public string ID { get; set; }
            public string NumCode { get; set; }
            public string CharCode { get; set; }
            public int Nominal { get; set; }
            public string Name { get; set; }
            public double Value { get; set; }
            public double Previous { get; set; }
        }

        public class ZAR
        {
            public string ID { get; set; }
            public string NumCode { get; set; }
            public string CharCode { get; set; }
            public int Nominal { get; set; }
            public string Name { get; set; }
            public double Value { get; set; }
            public double Previous { get; set; }
        }
    }
}
2. Не забываем подключить зависимости
3 Вызываете метод Get для получения информаций о валюте
 
Сверху Снизу