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Usage of DelimitedFileWriter Class

CSV files are plain text files that contain data in a tabular format where each row is represented on a new line, and columns are seperated by a reserved character, such as the ',' (i.e. comma symbol).

This class is used to output a csv file.

DelimitedFileWriter supports using any other character to delimit new columns as well.

Example Usage

We create some sample data, and save it to a file

//Load some data from a file
var reader = new DelimitedFileReader(@"C:\input.csv");
var dataTable = reader.ReadAsDataTable();

//Save it to a file
var writer = new DelimitedFileWriter(dataTable);
writer.WriteToFile(@"C:\output.csv");

Constructors

Instanciate from a .Net DataTable object

var writer = new DelimitedFileWriter(dataTable);

Instanciate from a list (of type 'MyClass' which you define yourself)

List<MyClass> list = new List<MyClass>();
list.Add(new MyClass() { ID = 1, Name = "John" });
writer = DelimitedFileWriter.FromList(list);

Methods

Write to File

writer.WriteToFile(@"C:\output.csv");

Write using a Stream

using (StreamWriter streamWriter = new StreamWriter(stream))
{
    writer.WriteToStream(streamWriter);
}

Properties

ColumnSeperator

As rows are read in, each one split using the ColumnSeperator character.

Default: , (i.e. a comma symbol)

//To change from the default and mark another character to be the column seperator:
writer.ColumnSeperator = '|';

DataRow

How many lines to skip before stating to write out data.

Default: 0

//To skip 10 lines before starting to write out the data:
writer.DataRow = 10;

HeaderRow

How many rows to skip before writing out the column titles.

By default column titles are written out on the first line.

Default: 0

//To tell the writer to not attempt to write out any column titles:
writer.HeaderRow = -1;

//To skip 10 lines before trying to write out the column titles:
writer.HeaderRow = 10;

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