datatable select method with boolean value

hai
i havae a datatable that is export table the first column name is select in this we put only true or false value i want filer all rows which have the select field value is true
i am writing the following code

Dim drs As DataRow() = exportDataTable.Select("select= True")

but it can return only one record but in my table nearly 12 record having the true value in that select field what is the problem....

use a for loop
sample
DataRow[] dr ;
string id ="ROMEY";// "Field with id ROMEY has more than one records found
string sel ="customerid='"+ id + "'";
dr = ds.Tables [0].Select (sel);
int i;
for(i=0;dr.read();i++)
{
Response.Write (dr[i]["Orderid"].ToString() + "\t" +
dr[i]["Customerid"].ToString() + "\t" + dr[i]["Freight"].ToString () +
"
");

 
Thanks
Paru
-- Mark if it helps

IT IS NOT A ORDINARY STRING IT IS A BOOLEAN VALUE PLEASE READ THE QUESTION THEN REPLY ME THE FILER IS ON BOOLEAN VALUE COLUMN  SELECT IS THE COLUMN NAME IN MY TABLE FOR THAT I USE THE SELECT=TRUE IN THE FILTER PROPERTY