Converting a csv file to json using C#

Question

I was wondering if someone\'s written a utility to convert a CSV file to Json using C#. From a previous question on stackoverflow, I\'m aware of this nice utility - https://

Answer 1

Install Nuget package NewtonSoft.Json
Add reference dll Microsoft.VisualBasic

using System.Linq;
using Newtonsoft.Json;
using Microsoft.VisualBasic.FileIO;
using System.IO;
using System;
using System.Collections.Generic;
using System.Globalization;

namespace Project
{
    public static class Program
    {
        public static void Main(string[] args)
        {
            string CSVpath = @"D:\New Folder\information.csv";
            string analyticsData = ReadFile(CSVpath);
        }

        private static string ReadFile(string filePath)
        {
            string payload = "";
            try
            {
                if (!string.IsNullOrWhiteSpace(filePath) && File.Exists(filePath) && Path.GetExtension(filePath).Equals(".csv", StringComparison.InvariantCultureIgnoreCase))
                {
                    string[] lines = File.ReadAllLines(filePath);

                    if (lines != null && lines.Length > 1)
                    {
                        var headers = GetHeaders(lines.First());
                        payload = GetPayload(headers, lines.Skip(1));
                    }
                }
            }
            catch (Exception exp)
            {
            }
            return payload;
        }

        private static IEnumerable GetHeaders(string data)
        {
            IEnumerable headers = null;

            if (!string.IsNullOrWhiteSpace(data) && data.Contains(','))
            {
                headers = GetFields(data).Select(x => x.Replace(" ", ""));
            }
            return headers;
        }

        private static string GetPayload(IEnumerable headers, IEnumerable fields)
        {
            string jsonObject = "";
            try
            {
                var dictionaryList = fields.Select(x => GetField(headers, x));
                jsonObject = JsonConvert.SerializeObject(dictionaryList);
            }
            catch (Exception ex)
            {
            }
            return jsonObject;
        }

        private static Dictionary GetField(IEnumerable headers, string fields)
        {
            Dictionary dictionary = null;

            if (!string.IsNullOrWhiteSpace(fields))
            {
                var columns = GetFields(fields);

                if (columns != null && headers != null && columns.Count() == headers.Count())
                {
                    dictionary = headers.Zip(columns, (x, y) => new { x, y }).ToDictionary(item => item.x, item => item.y);
                }
            }
            return dictionary;
        }

        public static IEnumerable GetFields(string line)
        {
            IEnumerable fields = null;
            using (TextReader reader = new StringReader(line))
            {
                using (TextFieldParser parser = new TextFieldParser(reader))
                {
                    parser.TextFieldType = FieldType.Delimited; parser.SetDelimiters(","); fields = parser.ReadFields();
                }
            }
            return fields;
        }
    }
}