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003. Connect Access Database code

Source: Internet
Author: User
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1. Code in the front-end aspx

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 <HTMLxmlns= "http://www.w3.org/1999/xhtml" >6 <HeadID= "Head1"runat= "Server">7     <title>Configure Access database connections</title>8 </Head>9 <Body>Ten     <formID= "Form1"runat= "Server"> One     <Div> A         &nbsp;</Div> -     </form> - </Body> the </HTML>

2. Code in the background. cs file

1 usingSystem;2 usingSystem.Collections.Generic;3 usingsystem.web;4 usingSystem.Web.UI;5 usingSystem.Web.UI.WebControls;6 usingSystem.Configuration;7 usingSystem.Data.OleDb;8 9  Public Partial class_default:system.web.ui.pageTen { One     protected voidPage_Load (Objectsender, EventArgs e) A     { -         stringCon_access = configurationmanager.appsettings["Accesscon"]. ToString ();//Get the database connection string in the configuration file -Response.Write ("aceess Database connection string:"+ con_access);//the output gets the database string information theOleDbConnection Ocon =NewOleDbConnection (configurationmanager.appsettings["Accesscon"]); -         Try -         { -Ocon.open ();//Open a database connection +Response.Write ("<script>alert (' successful connection ') </script>"); -Ocon.close ();//To close a database connection +         } A         Catch(Exception ex) at         { -Response.Write ("<script>alert ("+ ex. ToString () +") </script>"); -         } -     } -}

3. Part of the code in Web. config

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/>

003. Connect Access Database code

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