web.config
第一种方法:
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<?xml version= "1.0" encoding= "utf-8" ?>
<!--
有关如何配置 ASP.NET 应用程序的详细消息,请访问
http: //go.microsoft.com/fwlink/?LinkId=169433
-->
<configuration>
<appSettings>
<add key= "AccessConnString" value= "provider=microsoft.jet.oledb.4.0;data source=" />
<add key= "AccessDbPath" value= "~/App_Data/guestbook.mdb" />
</appSettings>
<connectionStrings>
<add name= "AccessConnectionString" connectionString= "Provider=Microsoft.Jet.OleDb.4.0;Data Source=" providerName= "System.Data.OleDb" />
<add name= "Access_Path" connectionString= "~/App_Data/guestbook.mdb" />
<add name= "SqlConnectionString" connectionString= "Data Source=localhost;Initial Catalog=guestbook;User ID=sa;password=123456;" providerName= "System.Data.SqlClient" />
<add name= "OracleConnectionString" connectionString= "Data Source=(DESCRIPTION=(ADDRESS_LIST=(ADDRESS=(PROTOCOL=TCP)(HOST=xp2008)(PORT=1521)))(CONNECT_DATA=(SID=guandb)(SERVER=DEDICATED)));User ID=system;Password=k2763826;Unicode=True" providerName= "System.Data.OracleClient" />
</connectionStrings>
<system.web>
<compilation debug= "true" targetFramework= "4.0" />
</system.web>
</configuration>
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第二种方法:
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<?xml version= "1.0" encoding= "utf-8" ?>
<!--
有关如何配置 ASP.NET 应用程序的详细消息,请访问
http: //go.microsoft.com/fwlink/?LinkId=169433
-->
<configuration>
<appSettings>
<add key= "AccessConnString" value= "provider=microsoft.jet.oledb.4.0;data source=" />
<add key= "AccessDbPath" value= "~/App_Data/guestbook.mdb" />
</appSettings>
<connectionStrings>
<add name= "AccessConnectionString" connectionString= "Provider=Microsoft.Jet.Oledb.4.0;data source=" />
<add name= "Access_Path" connectionString= "~/App_Data/guestbook.mdb" />
<add name= "SqlConnectionString" connectionString= "Data Source=localhost;Initial Catalog=HuaRunDb;User ID=sa;password=123456;" providerName= "System.Data.SqlClient" />
</connectionStrings>
<system.web>
<compilation debug= "true" targetFramework= "4.0" />
</system.web>
</configuration>
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后台 aspx.CS
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using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.Configuration;
using System.Configuration;
using System.Data.OleDb;
using System.Data;
namespace TestOracle
{
public partial class TestConnect : System.Web.UI.Page
{
public static readonly string connStr1 = System.Web.Configuration.WebConfigurationManager.ConnectionStrings[ "AccessConnectionString" ].ConnectionString+ HttpContext.Current.Server.MapPath(WebConfigurationManager.ConnectionStrings[ "Access_Path" ].ConnectionString);
public static readonly string connStr2 = System.Configuration.ConfigurationManager.AppSettings[ "AccessConnString" ].ToString() + System.Web.HttpContext.Current.Server.MapPath(ConfigurationManager.AppSettings[ "AccessDbPath" ]) + ";" ;
public static readonly string connStr3 = "Provider = Microsoft.Jet.OLEDB.4.0 ;Data Source=" + HttpContext.Current.Server.MapPath( "~/App_Data/guestbook.mdb" );
protected void Page_Load( object sender, EventArgs e)
{
}
protected void Button1_Click( object sender, EventArgs e)
{
OleDbConnection conn = new OleDbConnection(connStr1);
try
{
conn.Open();
string sql = "select * from GtContent" ;
OleDbDataAdapter myadapter = new OleDbDataAdapter(sql, conn);
DataSet ds = new DataSet();
myadapter.Fill(ds);
this .GridView1.DataSource = ds;
this .GridView1.DataBind();
this .Label1.Text = "数据库连接成功!" ;
}
catch (Exception ee)
{
this .Label1.Text = ee.ToString();
}
}
}
}
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以上所述是小编给大家介绍的ASP.NET连接 Access数据库的几种方法,希望对大家有所帮助,如果大家有任何疑问请给我留言,小编会及时回复大家的。在此也非常感谢大家对服务器之家网站的支持!
原文链接:http://www.cnblogs.com/tiger8000/archive/2012/01/03/2310936.html