September 14, 2015 06:02 by
Peter
This is all concerning JSON Parsing in ASP.NET. JSON is a info that for running JavaScript on websites. Now a days , JSON is booming on website.This code focuses on JSON serialization and Deserialization in ASP.NET 4.6. First, open your visual studio and then write the following code:
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Runtime.Serialization.Json;
using System.IO;
using System.Text;
using System.Text.RegularExpressions;
/// <summary>
/// JSON Serialization and Deserialization Class
/// </summary>
namespace JsonParsingSample
{
public class ClassJsonHelper
{
/// <summary>
/// JSON Serialization Method
/// </summary>
public static string ToJsonConvertor < T > (T t)
{
DataContractJsonSerializer ser = new DataContractJsonSerializer(typeof(T));
MemoryStream ms = new MemoryStream();
ser.WriteObject(ms, t);
string jsonString = Encoding.UTF8.GetString(ms.ToArray());
ms.Close();
//Replace Json Date String
string p = @"\\/Date\((\d+)\+\d+\)\\/";
MatchEvaluator matchEvaluator = new MatchEvaluator(ConvertJsonDateToDateString);
Regex reg = new Regex(p);
jsonString = reg.Replace(jsonString, matchEvaluator);
return jsonString;
}
/// <summary>
/// JSON Deserialization Method
/// </summary>
public static T FromJsonConvertor < T > (string jsonString)
{
//Convert "yyyy-MM-dd HH:mm:ss" String as "\/Date(1319266795390+0800)\/"
string p = @"\d{4}-\d{2}-\d{2}\s\d{2}:\d{2}:\d{2}";
MatchEvaluator matchEvaluator = new MatchEvaluator(ConvertDateStringToJsonDate);
Regex reg = new Regex(p);
jsonString = reg.Replace(jsonString, matchEvaluator);
DataContractJsonSerializer ser = new DataContractJsonSerializer(typeof(T));
MemoryStream ms = new MemoryStream(Encoding.UTF8.GetBytes(jsonString));
T obj = (T) ser.ReadObject(ms);
return obj;
}
/// <summary>
/// Convert Serialization Time /Date(1319266795390+0530) as String
/// </summary>
private static string ConvertJsonDateToDateString(Match m)
{
string result = string.Empty;
DateTime dt = new DateTime(1970, 1, 1);
dt = dt.AddMilliseconds(long.Parse(m.Groups[1].Value));
dt = dt.ToLocalTime();
result = dt.ToString("yyyy-MM-dd HH:mm:ss");
return result;
}
/// <summary>
/// Convert Date String as Json Time
/// </summary>
private static string ConvertDateStringToJsonDate(Match m)
{
string result = string.Empty;
DateTime dt = DateTime.Parse(m.Groups[0].Value);
dt = dt.ToUniversalTime();
TimeSpan ts = dt - DateTime.Parse("1970-01-01");
result = string.Format("\\/Date({0}+0530)\\/", ts.TotalMilliseconds);
return result;
}
}
}
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