asp.net链接SQL SERVER数据库问题

using System;
using System.Data.SqlClient;

namespace _111
{
    public partial class WebForm1 : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {
            SqlConnection MyCNN = new SqlConnection();
            MyCNN.ConnectionString = "user id=sa;password=mis@123;" + "initial catalog=cbhr;data source=QI-QIN\\SQLEXPRESS.master.dbo;Connect Timeout=30";
            MyCNN.Open();
            

        }
    }
}
运行出来没有反应是怎么回事