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Finance | Project Operations, Human Resources, ...
Answered

Error while calling a web services using parameters

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Posted on by 172

Hi,

I'm getting the errors below when I try to call a web service. Calling GET works fine, it just return the structure of webservice but when I try to call POST, I get always errors. What might be wrong with my code? It's C#.

        public static async Task GetResponse(string token)
        {
            string body;

            var client = new HttpClient();
            client.DefaultRequestHeaders.Authorization = new System.Net.Http.Headers.AuthenticationHeaderValue("Bearer", token);
            var request = new HttpRequestMessage
            {

                Method = HttpMethod.Post,
                RequestUri = new Uri("https://example/namespaces/AXSF/api/services/ProjectServices/ProjectWbsService/getProjectInfo"),
                Content = new FormUrlEncodedContent(new Dictionary
                {
                    { "company", "" },
                    { "recordId", "" },
                }),
            };
            using (var response = await client.SendAsync(request))
            {
                response.EnsureSuccessStatusCode();
                body = await response.Content.ReadAsStringAsync();
                Console.WriteLine(body);
            }

            return body;
        }

An exception occured when deserializing the request - Exception occured when parsing the request content - Unexpected character encountered while parsing value: c. Path '', line 0, position 0.".

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  • Verified answer
    Martin Dráb Profile Picture
    237,882 Most Valuable Professional on at

    What you should pass to the service operation is a JSON object. For example:

    var contract = new { company = "", recordId = 0 };
    string json = JsonConvert.SerializeObject(contract);

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