ODBC text driver problem

Hi all.
Iam trying to read data from .txt table delemeted with ", " and insert it into DataTable object. A problem is that only first 255 fildes pass to DataTable. Please somebody tell my why?
Here is the code:
string connectionString = @"Driver={Microsoft Text Driver (*.txt; *.csv)};DBQ=" + directoryName;
string SQL = "SELECT * FROM " + fileName;
// Create connection object
OdbcConnection conn = new OdbcConnection(connectionString);
// Open connection
conn.Open();
OdbcDataAdapter da = new OdbcDataAdapter(SQL, conn);
DataSet ds = new DataSet();
da.Fill(ds);
DataTable dt = new DataTable();
dt = ds.Tables[0];
[679 byte] By [markov_alex] at [2007-11-19 2:32:27]
# 1 Re: ODBC text driver problem
Tables are limited to a maximum of 255 fields. Field names are limited to 64 characters, and field widths are limited to 32,766 characters. Records are limited to 65,000 bytes.

See: http://msdn.microsoft.com/library/default.asp?url=/library/en-us/odbc/htm/odbcjettext_file_format.asp
Krzemo at 2007-11-10 3:30:58 >