traditional while loop

while_loop.cs

void Main()
{
    ReadAndSaveRecords();
}

private void ReadAndSaveRecords()
{
    bool moreRecords = true;
    while(moreRecords)
    {
        var record = ReadNextRecord();
        if(record != null)
        {
            SaveRecord(record);
        }
        else
        {
            moreRecords = false;
        }
    }
}