What C# Libraries Exist for Reading and Writing CSV Files?

CSV data processing in C#: library for reading and writing CSV files

Introduction

Handling CSV (Comma Separated Values) data is a common task in programming. In C#, there are several libraries available to simplify the process of reading and writing CSV files.

Question: Are there any C# libraries for reading and writing CSV data?

Answer: Yes, there are several C# libraries that provide CSV data processing functionality:

CsvHelper library

The CsvHelper library provides a user-friendly and efficient way to read and write CSV files. It combines the simplicity of FastCsvReader with the writing capabilities that FileHelpers lack.

Features:

• Easy to use: Start reading and writing CSV data with minimal coding.
• Flexible data mapping: Supports custom data types and field mapping configurations.
• Write Support: Supports easy creation of CSV files from data objects.

Example:

Read:

<code class="language-c#">using CsvHelper;
using System.Collections.Generic;
using System.IO;

var csvReader = new CsvReader(new StreamReader("customers.csv"));
var customerList = csvReader.GetRecords<customer>();</code>

Write:

<code class="language-c#">using CsvHelper;
using System.Collections.Generic;
using System.IO;

var csvWriter = new CsvWriter(new StreamWriter("orders.csv"));
csvWriter.WriteRecords(orderList);</code>

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