using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Data.SqlClient;
namespace connectionSql
{
    class Program
    {
        static void Main(string[] args)
        {
            SqlConnection myConnection;
            string connStr = "data source=.\\SQLEXPRESS;initial catalog=emotion;user  id=saberrl;password=saberrl";
            myConnection = new SqlConnection(connStr);
            try
            {
                myConnection.Open();
            }
            catch (Exception e)
            {
                Console.WriteLine("{0}Secondn exception caught.", e);
                Console.ReadLine();
            }
            Console.WriteLine("连接成功！");
            myConnection.Close();
            Console.ReadLine();
        }
    }
}