Hvorfor virker mit datagrid ikke

Jeg prøver ganske simpelt at knytte en tabel til et datagrid og få vist dette på min aspx-side.
Problemet er bare at der intet bliver vist...Hverken fejl eller noget. Kun min knap og min label. Hvad gør jeg forkert?
Mvh. Bumle90
/*********DBHandler******************/
using System;
using System.Data;
using System.Data.OleDb;

//X:\A502\udvikling\Cert2004\Tempcertdat.mdb

namespace WebApplication1
{
    /// <summary>
    /// Summary description for DBhandler.
    /// </summary>
    public class DBhandler
    {
        private string  connectionstring;
        private OleDbConnection conn;
       
        public DBhandler(string dbpath) //kaster alle exceptions videre
        {
            connectionstring = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source="+@"dbpath";
            conn = new OleDbConnection(@connectionstring);//@ betyder at \ ikke er escapechar
        }

        public DataSet fetch(string sql)
        {
           
            //System.Collections.ArrayList servernames=new System.Collections.ArrayList();
            DataSet dataset= new DataSet();
            try
            {   
                //OleDbCommand cmd = new OleDbCommand(sql,conn);
                OleDbDataAdapter myAdapter = new OleDbDataAdapter( sql, conn );
                conn.Open();

                myAdapter.Fill(dataset);
            }
            catch(Exception ex)
            {
               
                //MessageBox.Show(ex.Message);
            }
            return dataset;
        }

        public bool insert()
        {
            return true;
        }

        public int delete_update(string sql)
        {
            int retval;
            conn = new OleDbConnection(connectionstring);
            OleDbCommand cmd = new OleDbCommand(sql,conn);
            conn.Open();
            retval=cmd.ExecuteNonQuery();
            conn.Close();
            return retval;
        }
    }
}
/*************WebForm1.aspx.cs**********/
using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;

namespace WebApplication1
{
    /// <summary>
    /// Summary description for WebForm1.
    /// </summary>
   
    public class WebForm1 : System.Web.UI.Page
    {
        protected Label resultLabel;
        protected Button triggerButton;
        protected DataGrid tbldata;
   
        private void Page_Load(object sender, System.EventArgs e)
        {
            try
            {
                WebApplication1.DBhandler db=new WebApplication1.DBhandler(@"X:\A502\udvikling\Cert2004\Tempcertdat.mdb");
                System.Data.DataSet dataset=db.fetch("SELECT * FROM T_CertifilatNoegle");
                tbldata.DataSource=dataset.Tables["T_CertifilatNoegle"];
               
                tbldata.DataBind();
                //tbldata.
            }
            catch(Exception myexc)
            {
                resultLabel.Text=myexc.Message;
            }
        // Put user code to initialize the page here
        }

        #region Web Form Designer generated code
        override protected void OnInit(EventArgs e)
        {
            //
            // CODEGEN: This call is required by the ASP.NET Web Form Designer.
            //
            InitializeComponent();
            base.OnInit(e);
        }
       
        /// <summary>
        /// Required method for Designer support - do not modify
        /// the contents of this method with the code editor.
        /// </summary>
        private void InitializeComponent()
        {   
            this.triggerButton.Click += new System.EventHandler(this.triggerButton_Click);
            this.Load += new System.EventHandler(this.Page_Load);

        }
        #endregion

        private void triggerButton_Click(object sender, System.EventArgs e)
        {
            resultLabel.Text = "Button clicked!";
        }
    }
}
/**********Webform1.aspx*************/
<%@ Page language="c#" Codebehind="WebForm1.aspx.cs" AutoEventWireup="false" Inherits="WebApplication1.WebForm1" %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" >
<HTML>
    <HEAD>
        <title>WebForm1</title>
        <meta content="True" name="vs_snapToGrid">
        <meta content="True" name="vs_showGrid">
        <meta content="Microsoft Visual Studio .NET 7.1" name="GENERATOR">
        <meta content="C#" name="CODE_LANGUAGE">
        <meta content="JavaScript" name="vs_defaultClientScript">
        <meta content="http://schemas.microsoft.com/intellisense/ie5" name="vs_targetSchema">
    </HEAD>
    <body>
        <form id="Form1" method="post" runat="server">
            <asp:label id="resultLabel" Runat="server"></asp:label><br>
            <asp:button id="triggerButton" Text="Click me" Runat="server"></asp:button>
            <asp:DataGrid Runat="server" ID="tbldata" /></form>
    </body>
</HTML>