How to POST request using RestSharp

Question

I m trying to POST the request using RestSharp client as follows  I m passing the Auth Code to following function   public void ExchangeCodeForToken string code        if  string IsNullOrEmpty code                 OnAuthenticationFailed              else                          var request   new RestRequest this TokenEndPoint  Method POST           request AddParameter  code   code           request AddParameter  client id   this ClientId           request AddParameter  client secret   this Secret           request AddParameter  redirect uri    urn ietf wg oauth 2 0 oob            request AddParameter  grant type    authorization code            request AddHeader  content-type    application x-www-form-urlencoded             client ExecuteAsync lt AuthResult gt  request  GetAccessToken            void GetAccessToken IRestResponse lt AuthResult gt  response        if  response    null    response StatusCode    HttpStatusCode OK                             response Data    null                              string IsNullOrEmpty response Data access token                 OnAuthenticationFailed              else               Debug Assert response Data    null           AuthResult   response Data          OnAuthenticated              But i am getting response StatusCode   Bad Request  Can anyone help me for how do i POST the request using Restsharp client

User · Answer

As of 2017 I post to a rest service and getting the results from it like that           var loginModel   new LoginModel            loginModel DatabaseName    TestDB           loginModel UserGroupCode    G1           loginModel UserName    test1           loginModel Password    123            var client   new RestClient BaseUrl            var request   new RestRequest   Connect    Method POST           request RequestFormat   DataFormat Json          request AddBody loginModel            var response   client Execute request            var obj   JObject Parse response Content            LoginResult result   new LoginResult                       Status   obj  Status   ToString                Authority   response ResponseUri Authority              SessionID   obj  SessionID   ToString

User · Answer

I added this helper method to handle my POST requests that return an object I care about    For REST purists  I know  POSTs should not return anything besides a status  However  I had a large collection of ids that was too big for a query string parameter   Helper Method       public TResponse Post lt TResponse gt  string relativeUri  object postBody  where TResponse   new                   Note  Ideally the RestClient isn t created for each request           var restClient   new RestClient  http   localhost 999             var restRequest   new RestRequest relativeUri  Method POST                        RequestFormat   DataFormat Json                     restRequest AddBody postBody            var result   restClient Post lt TResponse gt  restRequest            if   result IsSuccessful                        throw new HttpException   Item not found   result ErrorMessage                        return result Data          Usage       public List lt WhateverReturnType gt  GetFromApi                 var idsForLookup   new List lt int gt   1  2  3  4  5            var relativeUri     api idLookup            var restResponse   Post lt List lt WhateverReturnType gt  gt  relativeUri  idsForLookup            return restResponse

User · Answer

My RestSharp POST method   var client   new RestClient ServiceUrl    var request   new RestRequest   resource    Method POST       Json to post  string jsonToSend   JsonHelper ToJson json    request AddParameter  application json  charset utf-8   jsonToSend  ParameterType RequestBody   request RequestFormat   DataFormat Json   try       client ExecuteAsync request  response   gt                if  response StatusCode    HttpStatusCode OK                           OK                   else                          NOK                     catch  Exception error           Log

User · Answer

it is better to  use json after post your resuest like below    var clien   new RestClient  https   smple com       var request   new RestRequest  index   Method POST     request AddHeader  Sign   signinstance         request AddJsonBody JsonConvert SerializeObject yourclass      var response   client Execute lt YourReturnclassSample gt  request     if  response StatusCode    System Net HttpStatusCode Created              return Ok response Content

User · Answer

This way works fine for me   var request   new RestSharp RestRequest  RESOURCE   RestSharp Method POST    RequestFormat   RestSharp DataFormat Json                    AddBody BODY    var response   Client Execute request       Handle response errors HandleResponseErrors response    if  Errors Length    0      else       Hope this helps   Although it is a bit late

[c#] How to POST request using RestSharp

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