using System;

using System;

using System.Collections.Generic;

using System.ComponentModel.DataAnnotations;

using System.Linq;

using System.Reflection;

using System.Text;

using System.Threading.Tasks;

 public partial class Client

    {

        private async Task<string> UrlParameterizeRequest(object src)

        {

            string result = "";

            if (src != null)

            {

                Type t = src.GetType();

                PropertyInfo[] props = t.GetProperties();

                foreach (var prop in props)

                    if (prop.GetIndexParameters().Length == 0)

                    {

                        if (prop.GetValue(src) != null)

                        {

                            if (prop.PropertyType.IsEnum)

                            { result += $"{prop.Name}={prop.GetValue(src).GetType().GetMember(prop.GetValue(src).ToString()).First().GetCustomAttribute<DisplayAttribute>().GetName()}&"; }

                            else { result += $"{prop.Name.ToLower()}={prop.GetValue(src)}&"; }

​

                        }

                    }

                    else

                    {

                        throw new NotSupportedException("Url Parameterization is not supported for indexed properties.");

                    }

                result = (String.IsNullOrWhiteSpace(result)) ? result : result.Remove(result.Length - 1);

            }

            return result;

        }

    }