MasterDetailEngine.WriteFile Method (String, MasterDetails[], Int32)

Write the specified number of records from the array to a file.

Parameters

fileName

The file path to be write.

records

The array of records to write.

maxRecords

The max number of array elements to write.

Return Value

True if the operation is successful. False otherwise.

Remarks

This method open, write and close the file (don't open or close the file before or after to call this method)

This method overrides existing files.

Example

You need to define a Selector Method too:

RecordAction ExampleSelector(string record)
{
   if (Char.IsLetter(record[0]))
      return RecordAction.Master;
    else
      return RecordAction.Detail;
}
                      
        

Finally you must to instanciate a MasterDetailEngine and Read/Write files:

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

MasterDetailEngine Class | FileHelpers.MasterDetail Namespace | MasterDetailEngine.WriteFile Overload List

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