ADO TableMappings, ColumnMappings C#

using System;
using System.Data;
using System.Data.OleDb;
using System.Data.SqlClient;


namespace DataReader
{
class Class1
{
[STAThread]
static void Main(string[] args)
{
string strConn="Provider=SQLOLEDB;User ID=sa;Password=gatsol;Initial Catalog=vins;Data Source=211.236.186.207;";
string StrSQL =" Select IDX, Name, Title From PdsBoard; " +
" Select FormTypeID, FormTypeName From FormType ";

OleDbDataAdapter da = new OleDbDataAdapter(StrSQL,strConn);

da.TableMappings.Add("Table", "PdsBoard");

da.TableMappings[0].ColumnMappings.Add("UIDX", "IDX");
da.TableMappings[0].ColumnMappings.Add("UName", "Name");
da.TableMappings[0].ColumnMappings.Add("UEmail", "Email");

}
}
}