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POPost multiple parameters one JSON string
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copied!<p>I am trying to post data to a json api. this is how my code looks. It's returning an error from the server, the guys up there are telling me that i'm sending everything as a json string and that i should post params of which only one parameter is a JSON stirng. ie. contact_attributes which should contain a string like the one below:</p> <blockquote> <p>"{\"name\":\"Leigh\",\"surname\":\"Duddy\",\"passport_number\":\" 00000020\",\"unique_identifier\":\"7353280000000020\",\"msisdn\": \"27829042259\",\"bank_account_number\":null,\"bank_account_br anch_code\":null,\"bank_account_branch_name\":null,\"bank_detai ls_required\":false,\"membership_number\":null,\"bank_account_b ank_id\":null,\"bank_account_account_type_id\":null,\"bank_accou nt_initials\":null,\"bank_account_surname\":null,\"bank_account_p assport_number\":null,\"date_of_birth\":null,\"debit_day\":null,\"con tract_sale_date\":null,\"contract_start_date\":null}"</p> </blockquote> <p>I am totally confused, does anyone know how i can do this. </p> <pre><code>public class JsonSaleData { [DataMember] public string contact_attributes { get; set; } [DataMember] public string campaign_uuid = "9d119cce-25ea-46bc-b7bc-cba7e8323e91"; [DataMember] public string user_credentials = "OCPdNbeltviij8C1RLcf"; [DataMember] public string license_id = "1"; } private string PostSaleToClient(string url, JsonSaleData _SaleData) { string strResult = ""; try { ASCIIEncoding encoding = new ASCIIEncoding(); System.Net.HttpWebRequest httpWebRequest = (HttpWebRequest)System.Net.WebRequest.Create(url); httpWebRequest.Method = "POST"; httpWebRequest.ContentType = "application/json; charset=utf-8"; DataContractJsonSerializer ser = new DataContractJsonSerializer(typeof(JsonSaleData)); MemoryStream ms = new MemoryStream(); ser.WriteObject(ms, _SaleData); ms.Position = 0; String json = Encoding.UTF8.GetString(ms.ToArray()); StreamWriter streamWriter = new StreamWriter(httpWebRequest.GetRequestStream()); streamWriter.Write(json); streamWriter.Flush(); streamWriter.Close(); System.Net.HttpWebResponse httpWebResp = (HttpWebResponse)httpWebRequest.GetResponse(); using (var streamReader = new StreamReader(httpWebResp.GetResponseStream())) { strResult = streamReader.ReadToEnd(); } return strResult; } catch (Exception ex) { string e = ex.Message; } return strResult; } </code></pre>

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