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MasterDetailEngineTMaster, TDetailAppendToFile Method (String, IEnumerableMasterDetailsTMaster, TDetail)

Append an array of records to the specified file.

Namespace:  FileHelpers.MasterDetail
Assembly:  FileHelpers (in FileHelpers.dll) Version: 3.2.6
Syntax
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public void AppendToFile(
	string fileName,
	IEnumerable<MasterDetails<TMaster, TDetail>> records
)

Parameters

fileName
Type: SystemString
The file path to be written at end.
records
Type: System.Collections.GenericIEnumerableMasterDetailsTMaster, TDetail
The array of records to write.

Return Value

Type: 
True if the operation is successful. False otherwise.
Remarks
This method opens, seek to the end, writes and closes the file (don't open or close the file before or after calling this method)
Examples
You need to define a Selector Method too:
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RecordAction ExampleSelector(string record)
{
   if (Char.IsLetter(record[0]))
      return RecordAction.Master;
    else
      return RecordAction.Detail;
}
Finally you must to instantiate a MasterDetailEngine and Read/Write files:
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MaterDetailEngine engine = new MaterDetailEngine(typeof(Customers), typeof(Orders), new MasterDetailSelector(ExampleSelector));

// to Read use:
MasterDetail[] res = engine.ReadFile("TestIn.txt");

// to Write use:
engine.WriteFile("TestOut.txt", res);
See Also