003. 连接access数据库代码

1. 前端aspx中的代码

 1 <%@ Page Language="C#" AutoEventWireup="true"  CodeFile="Default.aspx.cs" Inherits="_Default" %>
 2 
 3 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
 4 
 5 <html xmlns="http://www.w3.org/1999/xhtml" >
 6 <head id="Head1" runat="server">
 7     <title>配置Access数据库连接</title>
 8 </head>
 9 <body>
10     <form id="form1" runat="server">
11     <div>
12         &nbsp;</div>
13     </form>
14 </body>
15 </html>

2. 后台.cs文件中的代码

 1 using System;
 2 using System.Collections.Generic;
 3 using System.Web;
 4 using System.Web.UI;
 5 using System.Web.UI.WebControls;
 6 using System.Configuration;
 7 using System.Data.OleDb;
 8 
 9 public partial class _Default : System.Web.UI.Page 
10 {
11     protected void Page_Load(object sender, EventArgs e)
12     {
13         string con_access = ConfigurationManager.AppSettings["accessCon"].ToString();//获取配置文件中的数据库连接字符串
14         Response.Write("Aceess数据库连接字符串:" + con_access);//输出获取的数据库字符串信息
15         OleDbConnection oCon = new OleDbConnection(ConfigurationManager.AppSettings["accessCon"]);
16         try
17         {
18             oCon.Open();//打开数据库连接
19             Response.Write("<script>alert('连接成功')</script>");
20             oCon.Close();//关闭数据库连接
21         }
22         catch (Exception ex)
23         {
24             Response.Write("<script>alert(" + ex.ToString() + ")</script>");
25         }
26     }
27 }

3. web.config中的部分代码

1   </configSections>
2   <appSettings>
3     <add key="accessCon" value="Provider=Microsoft.Jet.OLEDB.4.0;  Data Source=|DataDirectory|db_access.mdb"/>
4   </appSettings>
5   <connectionStrings/>

 

posted on 2016-11-04 15:53  印子  阅读(263)  评论(0编辑  收藏  举报

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