DataSet读取数据

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

 namespace ConsoleApplication3
 {
     class Program
     {
         static void Main(string[] args)
         {
             SqlConnection thisConn = new SqlConnection(@"Server=.\Nie;uid=sa;pwd=111;Database=MyNorthwind");

             SqlDataAdapter thisAdapter = new SqlDataAdapter("select customerId,Address from Customers",
                                                              thisConn);
             DataSet thisDataSet = new DataSet();
             thisAdapter.Fill(thisDataSet, "customers");
             foreach (DataRow theRow in thisDataSet.Tables["Customers"].Rows)
             {
                 Console.WriteLine(theRow["customerId"] + "\t" + theRow["Address"]);
             }
             thisConn.Close();
             Console.Write("Program finished,press any key to Continue.");
             Console.ReadLine();

         }
     }
 }