working with oledbcommand result

I have the following code, but how do I retreive the values of UnitCost and Transportcosts?!

Dim CmdAsNew OleDbCommand("SELECT UnitCost, TransportCosts FROM Products WHERE ProductID=@dotnet.itags.org.ProductID", DBConnection)
Cmd.Parameters.Add(New OleDbParameter("@dotnet.itags.org.ProductID", ProductID))
DBConnection.Open()
Cmd.ExecuteNonQuery()

Just do one read from the data reader. Adapt your code where appropiate (I'm going to do it in C# because I'm in a rush):
DBConnection.Open();
OleDbDataReader reader = Cmd.ExecuteReader();
if (reader.Read()) {
string unitCost = reader["UnitCost"].ToString();
string transportCost = reader["TransportCosts"].ToString();
// and do what ever you need - not "ideal" code but I think you'll get the idea.
}
// ...

Hi,
Firstly
ExecuteNonQuery does not return any rows.

 You can use OleDbDataReader for this .
 OleDbDataReader myReader =Cmd.ExecuteReader(CommandBehavior.CloseConnection);
 while(myReader.Read())
 {
 Response.Write(myReader.GetString(0));
 }
 myReader.Close();

For more help
http://msdn.microsoft.com/library/default.asp?url=/library/en-us/cpref/html/frlrfsystemdataoledboledbcommandclasstopic.asp