QuickStart

• Read Delimited File
  How to read a Delimited File
• Write Delimited File
  Example of how to write a Delimited File
• Read Fixed File
  Example of how to read a Fixed Length layout file (eg COBOL output):
• Write Fixed File
  Example of how to write a Fixed Record File
• Read or Write Record by Record
  Using the FileHelperAsynEngine to work record by record
• Autoproperties
  You can use autoproperties instead of fields

Attributes

• FieldTrim
  How to use the [FieldTrim] attribute (useful for fixed length records)
• FieldOrder
  Force field order with [FieldOrder] attribute
• FixedLengthRecord FixedMode.AllowLessChars
  Options when working with fixed files and not all records have same length

Events And Notification

• INotifyRead Interface
  Get Before/After Read events with the INotifyRead interface
• INotifyWrite Interface
  Get Before/After Write events with the INotifyWrite interface
• Before/After Read Event Handling
  Show how to implement read events
• Before/After Write Event Handling
  Show how to implement write events

Advanced

• Dynamic Engine Options
  Change the options of the engines at run time
• Multiple Delimiters
  Write a file with different delimiters using the same record
• Multi Record Processing
  Read or write a file with many different layouts
• Smart Format Detector
  Detect the format from a flat file

MasterDetail

• Master Detail Custom Selector
  Show how to implement Master detail reading using a selection subroutine
• Master Detail Common Selector
  Show how to implement Master detail reading where record contains characters

Missing Values

• Handle Missing Values with Nullable
  Using Nullable for missing values
• Handle Missing Values With FieldNullValue
  How to read a file with some missing values and use the FieldNullValue attribute

Converters

• Enum Converter
  When you have a string field in your files that can be better handled if you map it to an enum.
• Custom Converter
  Explains how to extend the library with a new converter

ErrorHandling

• ErrorMode.ThrowException
  Default Behavior. Read the file or reject the whole file
• ErrorMode.IgnoreAndContinue
  Read the file dropping bad records
• ErrorMode SaveAndContinue
  Read the file saving bad records

Sorting

• Sort Big File with Record Class
  Shows how to sort a big file using a record class
• Sort Big File without Record Class 1
  Shows how to sort a big file without a record class
• Sort Big File without Record Class 2
  Shows how to sort a big file without a record class