C# DataTable Linq查詢

using System.Linq;

SqlConnection conn = new SqlConnection("連線字串");
 conn.Open();

DataTable dt = new DataTable();
using (SqlCommand com = new SqlCommand("SELECT * FROM MOC_Base", conn))
{
    SqlDataAdapter ad = new SqlDataAdapter(com);
    ad.Fill(dt);
}

  var query = from data in dt.AsEnumerable()
                    where data.Field<int>("baseId") == 1
                    select data;   //輸出欄位

foreach (var item in query)
{
      //找到物件需要做的事情
}