Unable to save data using web api.

Hello,

It is my first code in xamarin and I want to just save the data using web api but I am unable to do so after hours of hardwork. Can anybody help to identify the error.

` [HttpPost]
public string CreateEmpAttandance(string value)
{
// Check if emp code not exist then response send that wrong emp code
if (value != "1234")
{
string json = @{ data: 'Emp Code is not valid.'};
var jObject = JObject.Parse(json);

            var response = Request.CreateResponse(HttpStatusCode.OK);
            response.Content = new StringContent(jObject.ToString(), System.Text.Encoding.UTF8, "application/json");
            return response;

        }
        else
        {
            string json = @"{ data: 'data save sucessfully.'}";
            var jObject = JObject.Parse(json);

            var response = Request.CreateResponse(HttpStatusCode.OK);
            response.Content = new StringContent(jObject.ToString(), System.Text.Encoding.UTF8, "application/json");
            return response;
        }
    }`

here is my web api method.

my calling function is

`public async Task SaveTodoItemAsync(string EmpCode)
{
try
{
string url = "http://192.168.1.9/attandanceapi/api/attandance/";

            var uri = new Uri(string.Format(url));
            var json = JsonConvert.SerializeObject(EmpCode);
            var content = new StringContent(json, Encoding.UTF8, "application/json");
            HttpResponseMessage response = null;
            response = await client.PutAsync(url, content);

            var responses = response;
        }
        catch (Exception ex)
        {

            var w = ex.ToString();
        }
    }`