  using System;
  using System.Collections.Generic;
  using System.Data.SqlClient;
  
  using System.Web;
  using System.Web.UI;
  using System.Web.UI.WebControls;
  
  public partial class connection : System.Web.UI.Page
  {
      protected void Page_Load(object sender, EventArgs e)
      {
          SqlConnection conn = new SqlConnection("【server】=(local);【database】=demo;【uid】=sa;【pwd】=123");
          conn.【Open】();
          Response.【Write】("连接成功！");
      }
  }

--答案--
   database   server   Write