post json to solr in C# using HttpPost

                string path = "http://localhost:8080/solr/collection1/update/json?commit=true";
                var httpWebRequest = (HttpWebRequest)WebRequest.Create(path);
                httpWebRequest.ContentType = "application/json";
                httpWebRequest.Method = "POST";

                using (var streamWriter = new StreamWriter(httpWebRequest.GetRequestStream()))
                {
                    string json = "[{\"id\":\"5\", \"title\":\"Testing JsonSolr\"}]";

                    streamWriter.Write(json);
                    streamWriter.Flush();
                    streamWriter.Close();

                    var httpResponse = (HttpWebResponse)httpWebRequest.GetResponse();
                    using (var streamReader = new StreamReader(httpResponse.GetResponseStream()))
                    {
                        var result = streamReader.ReadToEnd();
                    }
                }

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