这篇文章将为大家详细讲解有关在ASP.NET中连接 Access数据库的方法,文章内容质量较高,因此小编分享给大家做个参考,希望大家阅读完这篇文章后对相关知识有一定的了解。
web.config
第一种方法:
<?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>
第二种方法:
<?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>
后台 aspx.CS
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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