'Newtonsoft.Json.JsonSerializationException' occurred in Newtonsoft.Json.dll but was not handled in user code





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0















I need to store my IEnumerable of objects into Tempdata for my next request from the server. Since Tempdata cannot store Objects I found the below extenstion method to serialize and deserialize before putting into Tempdata. After this method, I am able to store my object to Tempdata. But, when I am trying to use it in my next action method, I am facing following runtime error. "Cannot deserialize the current JSON array". Please help me to fix this issue.



my code :



public ActionResult GetData(){
List<EmployeeViewModel> webform =
_service.GetListOfWebformData(id).ToList();
TempData.Put("webform", webform); }

public ActionResult ShowData(){
var WebformData = TempData.Get<EmployeeViewModel>("webform");
return View(WebformData);}


Extension method i have used for Tempdata is below



public static class TempDataExtensions
{
public static void Put<T>(this ITempDataDictionary tempData, string key, T value) where T : class
{
tempData[key] = JsonConvert.SerializeObject(value);
}

public static T Get<T>(this ITempDataDictionary tempData, string key) where T : class
{
object o;
tempData.TryGetValue(key, out o);
return o == null ? null : JsonConvert.DeserializeObject<T>((string)o);
}
}









share|improve this question























  • Maybe edit the post and put some sample data up here? What is inside EmployeeViewModel? You might get your webform key wrong.

    – GaryNg
    Nov 22 '18 at 19:01













  • I found the answer. It is because, I am sending list of data to tempdata. And while retriving I am simply deserializing using object name. it should be public static List<T> Get<T>(this ITempDataDictionary tempData, string key) where T : class { object o; tempData.TryGetValue(key, out o); return o == null ? null : JsonConvert.DeserializeObject<List<T>>((string)o); }

    – Deenadhayalan M
    Nov 23 '18 at 8:57


















0















I need to store my IEnumerable of objects into Tempdata for my next request from the server. Since Tempdata cannot store Objects I found the below extenstion method to serialize and deserialize before putting into Tempdata. After this method, I am able to store my object to Tempdata. But, when I am trying to use it in my next action method, I am facing following runtime error. "Cannot deserialize the current JSON array". Please help me to fix this issue.



my code :



public ActionResult GetData(){
List<EmployeeViewModel> webform =
_service.GetListOfWebformData(id).ToList();
TempData.Put("webform", webform); }

public ActionResult ShowData(){
var WebformData = TempData.Get<EmployeeViewModel>("webform");
return View(WebformData);}


Extension method i have used for Tempdata is below



public static class TempDataExtensions
{
public static void Put<T>(this ITempDataDictionary tempData, string key, T value) where T : class
{
tempData[key] = JsonConvert.SerializeObject(value);
}

public static T Get<T>(this ITempDataDictionary tempData, string key) where T : class
{
object o;
tempData.TryGetValue(key, out o);
return o == null ? null : JsonConvert.DeserializeObject<T>((string)o);
}
}









share|improve this question























  • Maybe edit the post and put some sample data up here? What is inside EmployeeViewModel? You might get your webform key wrong.

    – GaryNg
    Nov 22 '18 at 19:01













  • I found the answer. It is because, I am sending list of data to tempdata. And while retriving I am simply deserializing using object name. it should be public static List<T> Get<T>(this ITempDataDictionary tempData, string key) where T : class { object o; tempData.TryGetValue(key, out o); return o == null ? null : JsonConvert.DeserializeObject<List<T>>((string)o); }

    – Deenadhayalan M
    Nov 23 '18 at 8:57














0












0








0








I need to store my IEnumerable of objects into Tempdata for my next request from the server. Since Tempdata cannot store Objects I found the below extenstion method to serialize and deserialize before putting into Tempdata. After this method, I am able to store my object to Tempdata. But, when I am trying to use it in my next action method, I am facing following runtime error. "Cannot deserialize the current JSON array". Please help me to fix this issue.



my code :



public ActionResult GetData(){
List<EmployeeViewModel> webform =
_service.GetListOfWebformData(id).ToList();
TempData.Put("webform", webform); }

public ActionResult ShowData(){
var WebformData = TempData.Get<EmployeeViewModel>("webform");
return View(WebformData);}


Extension method i have used for Tempdata is below



public static class TempDataExtensions
{
public static void Put<T>(this ITempDataDictionary tempData, string key, T value) where T : class
{
tempData[key] = JsonConvert.SerializeObject(value);
}

public static T Get<T>(this ITempDataDictionary tempData, string key) where T : class
{
object o;
tempData.TryGetValue(key, out o);
return o == null ? null : JsonConvert.DeserializeObject<T>((string)o);
}
}









share|improve this question














I need to store my IEnumerable of objects into Tempdata for my next request from the server. Since Tempdata cannot store Objects I found the below extenstion method to serialize and deserialize before putting into Tempdata. After this method, I am able to store my object to Tempdata. But, when I am trying to use it in my next action method, I am facing following runtime error. "Cannot deserialize the current JSON array". Please help me to fix this issue.



my code :



public ActionResult GetData(){
List<EmployeeViewModel> webform =
_service.GetListOfWebformData(id).ToList();
TempData.Put("webform", webform); }

public ActionResult ShowData(){
var WebformData = TempData.Get<EmployeeViewModel>("webform");
return View(WebformData);}


Extension method i have used for Tempdata is below



public static class TempDataExtensions
{
public static void Put<T>(this ITempDataDictionary tempData, string key, T value) where T : class
{
tempData[key] = JsonConvert.SerializeObject(value);
}

public static T Get<T>(this ITempDataDictionary tempData, string key) where T : class
{
object o;
tempData.TryGetValue(key, out o);
return o == null ? null : JsonConvert.DeserializeObject<T>((string)o);
}
}






json deserialization tempdata






share|improve this question













share|improve this question











share|improve this question




share|improve this question










asked Nov 22 '18 at 17:58









Deenadhayalan MDeenadhayalan M

1




1













  • Maybe edit the post and put some sample data up here? What is inside EmployeeViewModel? You might get your webform key wrong.

    – GaryNg
    Nov 22 '18 at 19:01













  • I found the answer. It is because, I am sending list of data to tempdata. And while retriving I am simply deserializing using object name. it should be public static List<T> Get<T>(this ITempDataDictionary tempData, string key) where T : class { object o; tempData.TryGetValue(key, out o); return o == null ? null : JsonConvert.DeserializeObject<List<T>>((string)o); }

    – Deenadhayalan M
    Nov 23 '18 at 8:57



















  • Maybe edit the post and put some sample data up here? What is inside EmployeeViewModel? You might get your webform key wrong.

    – GaryNg
    Nov 22 '18 at 19:01













  • I found the answer. It is because, I am sending list of data to tempdata. And while retriving I am simply deserializing using object name. it should be public static List<T> Get<T>(this ITempDataDictionary tempData, string key) where T : class { object o; tempData.TryGetValue(key, out o); return o == null ? null : JsonConvert.DeserializeObject<List<T>>((string)o); }

    – Deenadhayalan M
    Nov 23 '18 at 8:57

















Maybe edit the post and put some sample data up here? What is inside EmployeeViewModel? You might get your webform key wrong.

– GaryNg
Nov 22 '18 at 19:01







Maybe edit the post and put some sample data up here? What is inside EmployeeViewModel? You might get your webform key wrong.

– GaryNg
Nov 22 '18 at 19:01















I found the answer. It is because, I am sending list of data to tempdata. And while retriving I am simply deserializing using object name. it should be public static List<T> Get<T>(this ITempDataDictionary tempData, string key) where T : class { object o; tempData.TryGetValue(key, out o); return o == null ? null : JsonConvert.DeserializeObject<List<T>>((string)o); }

– Deenadhayalan M
Nov 23 '18 at 8:57





I found the answer. It is because, I am sending list of data to tempdata. And while retriving I am simply deserializing using object name. it should be public static List<T> Get<T>(this ITempDataDictionary tempData, string key) where T : class { object o; tempData.TryGetValue(key, out o); return o == null ? null : JsonConvert.DeserializeObject<List<T>>((string)o); }

– Deenadhayalan M
Nov 23 '18 at 8:57












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