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  • 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/>
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  • 原文地址:https://www.cnblogs.com/wxylog/p/6030591.html
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