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Start your free trialvincent batteast
51,094 PointsInside the SerializeWeatherForecast Instantiate a new JsonSerializer and name it serializer. Then, add a using statement
Program.cs(62,41): error CS0246: The type or namespace name JsonTextwriter' could not be found. Are you missing an assembly reference?
Program.cs(65,28): error CS0308: The non-generic method
Newtonsoft.Json.JsonSerializer.Serialize(System.IO.TextWriter, object)' cannot be used with the type arguments
/usr/local/lib/ruby/gems/2.3.0/gems/challenge_proctor-0.0.0/lib/challenge_proctor/runners/includes/mono/Newtonsoft.Json.dll (Location of the symbol related to previous error)
Compilation failed: 2 error(s), 0 warnings
using System;
using System.IO;
using System.Collections.Generic;
using Newtonsoft.Json;
namespace Treehouse.CodeChallenges
{
public class Program
{
public static void Main(string[] arg)
{
}
public static WeatherForecast ParseWeatherForecast(string[] values)
{
var weatherForecast = new WeatherForecast();
weatherForecast.WeatherStationId = values[0];
DateTime timeOfDay;
if (DateTime.TryParse(values[1], out timeOfDay))
{
weatherForecast.TimeOfDay = timeOfDay;
}
Condition condition;
if (Enum.TryParse(values[2], out condition))
{
weatherForecast.Condition = condition;
}
int temperature;
if (int.TryParse(values[3], out temperature))
{
weatherForecast.Temperature = temperature;
}
double precipitation;
if (double.TryParse(values[4], out precipitation))
{
weatherForecast.PrecipitationChance = precipitation;
}
if (double.TryParse(values[5], out precipitation))
{
weatherForecast.PrecipitationAmount = precipitation;
}
return weatherForecast;
}
public static List<WeatherForecast> DeserializeWeather(string fileName)
{
var weatherForecasts = new List<WeatherForecast>();
using (var reader = new StreamReader(fileName))
using (var jsonReader = new JsonTextReader(reader))
{
var serializer = new JsonSerializer();
weatherForecasts = serializer.Deserialize<List<WeatherForecast>>(jsonReader);
}
return weatherForecasts;
}
public static void SerializeWeatherForecasts(List<WeatherForecast> weatherForecasts, string fileName)
{
using (var writer = new StreamWriter(fileName))
using (var jsonwriter = new JsonTextwriter(writer))
{
var serializer = new JsonSerializer();
serializer.Serialize<List<WeatherForecast>>(fileName);
}
}
}
}
using System;
using Newtonsoft.Json;
namespace Treehouse.CodeChallenges
{
public class WeatherForecast
{
[JsonProperty(PropertyName = "weather_station_id")]
public string WeatherStationId { get; set; }
[JsonProperty(PropertyName = "time_of_day")]
public DateTime TimeOfDay { get; set; }
public Condition Condition { get; set; }
public int Temperature { get; set; }
[JsonProperty(PropertyName = "precipitation_chance")]
public double PrecipitationChance { get; set; }
[JsonProperty(PropertyName = "precipitation_amount")]
public double PrecipitationAmount { get; set; }
}
public enum Condition
{
Rain,
Cloudy,
PartlyCloudy,
PartlySunny,
Sunny,
Clear
}
}
3 Answers
Jon Wood
9,884 PointsI think you just need to capitalize Writer
when you use the JsonTextWriter
class.
Tawanda Parayangiwa
2,614 Pointsmr Vincent did you get the answer ?
Tawanda Parayangiwa
2,614 Pointsdid you get the answer?