protected void ProcessEscapeInQuotedField(char currentCharacter)
{
if (IsNull(currentCharacter) || currentCharacter == 'n')
currentCharacter = '\n';
if (currentCharacter == 'r')
currentCharacter = '\r';
if (currentCharacter == 't')
currentCharacter = '\t';
AddChar(currentCharacter);
_state = ParserState.InQuotedField;
}