Harsh Webtech - Asp.net MVC C#

Here called paypal Rest API using System.Net.Http.HttpClient for OAuth 2.0 access token try  { // ClientId of your Paypal app API          string  API ClientId = " ASCxaD7FzuvGbX-xxxxxxxx.....xxxxxxxxxxx-6RZDgwLuOyrCsy3 " ;                 // secret key of you Paypal app API string   API Secret = " ENldyFXuW46R7Wv0 xxxxxxxx.....xxxxxxxxxxx ee8pyH8 " ;          using ( var client = new System.Net.Http. HttpClient ())         {              var byteArray = Encoding .UTF8.GetBytes( API ClientId + ":" + API Secret );             client.DefaultRequestHeaders.Authorization = new Headers. AuthenticationHeaderValue ( "Basic" , Conv...

Implement an Interface with Generic Methods namespace  Win.Data { // Created Interface for field of table      public   interface   IFieldTable     {          string  Id {  get ;  set ; }          DateTime  TimeStamp {  get ;  set ; }          string  User {  get ;  set ; }          string  View {  get ;  set ; }          string  Name {  get ;  set ; }          //string QData { get; set; }     } // FieldString class inhirated from IFieldTable      public   class   FieldString ...