using Microsoft.Extensions.Configuration; using System.IO; namespace RMuseum { public static class WebServiceUrl { /// /// url /// public static string Url { get { if (!string.IsNullOrEmpty(_url)) return _url; IConfigurationRoot configuration = new ConfigurationBuilder() .SetBasePath(Directory.GetCurrentDirectory()).AddJsonFile("appsettings.json") .Build(); _url = configuration["WebServiceUrl"]; return _url; } } private static string _url = ""; } }