What are the best CSV Parser/Reader Options for C#?

CSV parser/reader selection in C#

Parsing and reading CSV (Comma Separated Values) files is a common task in the world of C# programming. To meet this need, a variety of implementations are available, including commercial and open source options.

Open source library FileHelpers

The FileHelpers library is a trusted open source CSV parser for C#. It is known for its ease of use, flexibility, and permissive license. FileHelpers provide a simple syntax that enables developers to quickly create classes to represent the structure of CSV files.

Here is a simple example:

using FileHelpers;

class CSVRecord
{
    [FieldConverter(ConverterKind.Date, "dd/MM/yyyy")]
    public DateTime Date;
    public string Name;
    public decimal Amount;
}

This class maps columns in a CSV file to their respective properties, including a custom date converter for the Date field.

Key Benefits of FileHelpers:

• Simple and intuitive syntax: The FileHelpers API is designed to be easy to use, minimizing the learning curve.
• Flexible configuration: Developers can customize the parsing process through properties and other settings to adapt it to the specific needs of the project.
• Widely supported data types: FileHelpers handle a variety of data types commonly found in CSV files, including dates, decimal numbers, and enumerations.
• Open source and free to use: FileHelpers is licensed under the MIT license and can be used by projects of all sizes and types.

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