>AFAIK datacolumn doesnit give you any clue about it (very strange, it is now 2.0 and still a big feature is missing).
>OTOH you could use a datareader and get schema table. ie:(in C#)
>

> OleDbConnection cn = new OleDbConnection("Provider=VFPOLEDB;"+
>  @"Data Source=C:\Program Files\Microsoft Visual FoxPro 9\Samples\Data\testdata.dbc");
> cn.Open();
> OleDbCommand cmd = new OleDbCommand("select * from employee", cn);
> OleDbDataReader rdr = cmd.ExecuteReader();
> DataTable dt = rdr.GetSchemaTable();
> cn.Close();
>
> foreach (DataRow row in dt.Rows)
> {
>   Console.WriteLine("Name:{0},Type:{1},Length:{2},Islong:{3}",
>      row["ColumnName"],
>      row["DataType"],
>      row["ColumnSize"],
>      row["IsLong"]);
>  }
>

It turned out that the size is not returned for numeric field. So, I adjusted my framework to use your approach instead which works very well.

Thanks