private void Read(string str)
{
List <string> rowValues = str.Replace("\r\n", "\n").Split('\n').ToList();
string HeadStr = rowValues[0];
rowValues.RemoveAt(0);
_headNames = _rowReader.ReadHeadLine(HeadStr);
if (string.IsNullOrEmpty(rowValues.Last()))
{
rowValues.RemoveAt(rowValues.Count - 1);
}
rowValues.ForEach((row) =>
{
List <DataColumn> cols = _rowReader.ReadLine(row, headNames);
_rows.Add(cols);
});
}