20131108 linq tocsv by Jason

LINQ To CSVJason

CSV• A comma-separated values (CSV) (also sometimes called character-separated values, because the separator character does not have to be a comma) file stores tabular data (numbers and text) in plain-text form

LINQ To CSV -Quick Start

Reading from a file• Create a CsvFileDescription object

• Create a CsvContext object

Reading from a file• Read the file into an IEnumerable<T> using the CsvContext object's Read method

Writing to a file

• Create a CsvFileDescription object

• Create a CsvContext object

Writing to a file• Make sure the data is stored in an object that implements IEnumerable<T>

• Invoke the Write method exposed by the CsvContext object to write the contents of your IEnumerable<T> to a file

CsvContext.Read Overloads

CsvColumn Attribute• Name• CanBeNull• OutputFormat• FieldIndex

Name• Type• string

• Default• Name of the field or property

• Applies to• Reading and Writing

CanBeNull• Type• bool

• Default• true

• Applies to• Reading only

OutputFormat• Type• string

• Default• "G"

• Applies to• Writing only

FieldIndex• Type• Int

• Default• Int32.MaxValue

• Applies to• Reading and Writing

CsvFileDescription• SeparatorChar• QuoteAllFields• FirstLineHasColumnNames• TextEncoding• DetectEncodingFromByteOrderMarks• MaximumNbrExceptions

SeparatorChar• Type• char

• Default• ','

• Applies to• Reading and Writing

QuoteAllFields• Type• bool

• Default• false

• Applies to• Writing only

FirstLineHasColumnNames• Type• bool

• Default• true

• Applies to• Reading and Writing

EnforceCsvColumnAttribute• Type• bool

• Default• false

• Applies to• Reading and Writing

FileCultureName• Type• string

• Default• current system setting

• Applies to• Reading and Writing

TextEncoding• Type• Encoding

• Default• Encoding.UTF8

• Applies to• Reading and Writing

DetectEncodingFromByteOrderMarks

• Type• bool

• Default• true

• Applies to• Reading only

Reference• LINQ to CSV Library• http://www.codeproject.com/Articles/25133/LINQ-to-CSV-library