Facing Issue with Timespan in rest service serialization - json

Question

I am using REST service to get the data from the Db.
In my class, I am having the property "UploadTime" of datatype TimeSpan?.
The time span is calculated based on the difference between dates and in the response,I ma getting response as :
ArrayOfUploadUI xmlns="http://schemas.datacontract.org/2004/07/NMS.ApplicationService.HIM.Objects" xmlns:i="http://www.w3.org/2001/XMLSchema-instance">
<UploadUI>
<UID>1</UID>
<DateCompleted>2015-01-08T10:46:25.25</DateCompleted>
<DateNotified>2015-01-07T10:46:25.25</DateNotified>
<DateDictationStartTime i:nil="true" />
<DateDictationEndTime i:nil="true" />
<UploadTime>P1D</UploadTime>
<ExistsOnBackend>false</ExistsOnBackend>
</UploadUI>
</ArrayOfUploadUI>
.
I am getting the following exception while trying to get the data:
using (HttpResponseMessage response = await _HttpClient(session).GetAsync(apiUrl))
{
if (response.IsSuccessStatusCode)
result = await response.Content.ReadAsAsync<T>();
else
await _HandleInvalidResponseAsync(response);
}
I am getting issue at the "response.Content.ReadAsAsync();".
Error is:
Error converting value "P1D" to type 'System.Nullable`1[System.TimeSpan]'. Path '[0].UploadTime', line 1, position 518.
at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.EnsureType(JsonReader reader, Object value, CultureInfo culture, JsonContract contract, Type targetType).
I googled and I came to know that WCF serilaizing the "timeSpan"datatype from "1:0:0:00" to "P1D".
My issue is how to deserialize this on the response level.

Answer 1

I have done formatting for the date at the source level and the issue got resolved.
JsonSerializerSettings dateFormatSettings = new JsonSerializerSettings
{
DateFormatHandling = DateFormatHandling.MicrosoftDateFormat
};
string jsonNMSPlatformObject = JsonConvert.SerializeObject(nmsPlatformObject,dateFormatSettings);
using (HttpContent httpContent = new StringContent(jsonNMSPlatformObject))
{
httpContent.Headers.ContentType = new MediaTypeHeaderValue(JsonMedaType);
var request = new HttpRequestMessage(HttpMethod.Delete, apiUrl);
request.Content = httpContent;
using (HttpResponseMessage response = await _HttpClient(session).SendAsync(request))
{
if (response.IsSuccessStatusCode)
return;
else
await _HandleInvalidResponseAsync(response, jsonNMSPlatformObject);
}
}