C#链接SQL Server数据库

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Data.SqlClient;
namespace SQLHelper {
	class Program {
		static void Main(string[] args) {
			string con;
			//Window身份验证
			//con = "Server=DESKTOP-SIKEISM\\SQLEXPRESS;Database=MusicStore;Trusted_Connection=SSPI";
			//SQL Server身份验证
			con = "Server=DESKTOP-SIKEISM\\SQLEXPRESS;Database=MusicStore;uid=sa;pwd=123456";
			SqlConnection mycon = new SqlConnection(con);
			try {
				mycon.Open();
				Console.WriteLine("Success!");
			} catch (SqlException ex) {
				Console.WriteLine("Fail!" + ex.Message);
			}
		}
	}
}