ASP.NET连接 Access数据库的几种方法_实用技巧_

 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(); } } } }