ms-access database connection in asp.net

string ConnectString = "PROVIDER=Microsoft.Jet.OLEDB.4.0;DATA SOURCE=" + Server.MapPath("db\\database.mdb;");
OleDbConnection objCon;
OleDbCommand objCmd;
DataSet Ds = new DataSet();

string GetSql = string.Empty;
GetSql = "(SELECT * FROM table)";
using (objCon = new OleDbConnection(ConnectString))
{
    using (objCmd = new OleDbCommand(GetSql, objCon))
    {
        OleDbDataAdapter Da = new OleDbDataAdapter(objCmd);
        Da.Fill(Ds);
    }
}