This string is divided by a string divided into an array of strings and
string[] arr = System.Text.RegularExpressions.Regex.Split(str, "\r\n");
dynamic dynamic type List <dynamic> can customize the content and the bound column
List<dynamic> dy = new List<dynamic>(); dy.Add(new { CustomerId = c.CustomerId, FullName = c.FullName, TraceUserName = c.TraceUserName, CustDegreeId = c.CustDegreeId, CustTypeId = c.CustTypeId });