FileHelperAsyncEngine.BeginReadFile Method 

Open a specified file and seek to the first record.

Parameters

fileName

The file path to be read.

Return Value

True if the file is succefully opened. False otherway.

Remarks

This method only open the file.

To read record by record use ReadNext method.

When you stop to read the file you must call Close method.

Example

This example show the basic use of the async methods in the FileHelperAsymcEngine:

    using FileHelpers;
    
    // First declare the record class
        
    [Delimitedrecord("|")]
    public class SampleType
    {
        public string Field1;
        public int    Field2;
    }


    public void ReadExample()
    {
        SampleType record;    

        FileHelperAsyncEngine engine = new FileHelperAsyncEngine(typeof(SampleType));

        engine.BeginReadFile("source.txt");
        
        while( engine.ReadNext() != null )
        {
           record = (SampleType) engine.LastRecord;
           
           // put your code here !!!!
           Console.WriteLine("Data " + record.Field1 + " , " + record.Field2.ToString());
        
        }
        
        engine.Close();
    }


        

See Also

FileHelperAsyncEngine Class | FileHelpers Namespace

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