asp .net连接打开数据库初步
1 //测试连接字符串是否成功
2 #region
3 using System;
4 using System.Collections.Generic;
5 using System.Linq;
6 using System.Web;
7 using System.Web.UI;
8 using System.Web.UI.WebControls;
9 using System.Data.SqlClient;
10 using System.Configuration;
11
12 public partial class test_Default : System.Web.UI.Page
13 {
14 protected void Page_Load(object sender, EventArgs e)
15 {
16 string str = ConfigurationManager.ConnectionStrings["haqiuConnectionString"].ConnectionString;
17 SqlConnection strConn = new SqlConnection(str);
18 if (strConn == null)
19 {
20 Response.Write("连接字符串为空!");
21 }
22 else
23 {
24 Response.Write("连接字符串不为空!");
25 }
26 }
27 }
28 #endregion
29
30 //打开数据库连接
31 #region
32 using System;
33 using System.Collections.Generic;
34 using Syste
补充:软件开发 , C# ,