Update access database issues using c# asp.net

Ok, I've searched through the site here without any of the suggestions helping.  Here's the problem.  The database will not update, yet there is no error.  I have noticed though, when it does run the update method, it hides the id on post back.  Not sure if this helps.  It will run through the update method, but won't update the database, I've simplified the update method to only update the name for testing purposes.  Any Ideas?  This is an ascx file.

Also, why can I place references to contols in <%%> section and have it work, but not in the code section within a method? Secondary Question, first more important.

----- CODE -----

<%@ Control Language="c#" AutoEventWireup="false" TargetSchema="http://schemas.microsoft.com/intellisense/ie5" Debug="true" ClassName="Editor"%>

<%@ Import Namespace="System.Data.OleDb" %>
<%@ Import Namespace="System.Data" %>
<%@ Import Namespace="System.Web.UI" %>
<%@ Import Namespace="System.Web" %>
<%@ Import Namespace="System" %>
<%@ Import Namespace="System.Collections" %>
<%@ Import Namespace="System.ComponentModel" %>
<%@ Import Namespace="System.Drawing" %>
<%@ Import Namespace="System.Web.SessionState" %>
<%@ Import Namespace="System.Web.UI.WebControls" %>
<%@ Import Namespace="System.Web.UI.HtmlControls" %>
<%@ Import Namespace="System.Globalization" %>

<script language="c#" runat="server">
public String EventID = "0";

public String[] GetEvent(Int32 eventid)
{
      String[] tmpdata = new String[9];
      tmpdata[0] = "0"; //default value if there is no match
      OleDbDataReader DBreader;
      OleDbConnection DBconn = new OleDbConnection(String.Concat("Provider=Microsoft.Jet.OleDb.4.0; Data Source=",Server.MapPath("Database.mdb"),";"));
      OleDbCommand DBquery = new OleDbCommand("SELECT * FROM Events WHERE ID = @id", DBconn);
      DBquery.Parameters.Add("@id",Convert.ToString(eventid));
      DBconn.Open();
      DBreader = DBquery.ExecuteReader();
      //{"name", "date", "ID", "LockStatus"}
      if(DBreader.Read())
      {            
            tmpdata[0] = Convert.ToString(DBreader["ID"]);
            tmpdata[1] = Convert.ToString(DBreader["Event_Name"]);
            tmpdata[2] = Convert.ToString(DBreader["Event_Location"]);
            tmpdata[3] = Convert.ToString(DBreader["Event_Desc_Long"]);
            tmpdata[4] = Convert.ToString(DBreader["Event_Desc_Short"]);
            tmpdata[5] = Convert.ToString(DBreader["Event_Date"]);
            tmpdata[6] = Convert.ToString(DBreader["Event_StartTime"]);
            tmpdata[7] = Convert.ToString(DBreader["Event_EndTime"]);
            tmpdata[8] = Convert.ToString(DBreader["Event_Link"]);
      }
      DBconn.Close();
      return tmpdata;
}
public void UpdateRecord(Object s, EventArgs e)
{
//do the update work
      OleDbDataReader DBreader;
      OleDbConnection DBconn = new OleDbConnection(String.Concat("Provider=Microsoft.Jet.OleDb.4.0; Data Source=",Server.MapPath("../db/calendar.mdb"),";"));
      OleDbCommand DBquery = new OleDbCommand("UPDATE Events SET Event_Name='@name' WHERE ID = @id", DBconn);
      //DBquery.Parameters.Add("@id",txtid.Text);
      DBquery.Parameters.Add("@name",txtname.Text);
      DBquery.Parameters.Add("@location",txtlocation.Text);
      DBquery.Parameters.Add("@desclong",txtdesclong.Text);
      DBquery.Parameters.Add("@descshort",txtdescshort.Text);
      DBquery.Parameters.Add("@date",txtdate.Text);
      DBquery.Parameters.Add("@starttime",txtstarttime.Text);
      DBquery.Parameters.Add("@endtime",txtendtime.Text);
      DBquery.Parameters.Add("@link",txtlink.Text);
      DBconn.Open();
      DBquery.ExecuteNonQuery();
      DBconn.Close();
      //Response.Redirect("this.aspx");
}

public void DeleteRecord(Object s, EventArgs e)
{
//do the delete work
}
public void PopulateFields(Int32 ID)
{
//populate the fields from the db to the page
      String[] EventData;
      EventData = GetEvent(ID);
      if(Convert.ToInt32(EventData[0]) != 0)
      {
            txtid.Text = EventData[0];
            txtname.Text = EventData[1];
            txtlocation.Text = EventData[2];
            txtdesclong.Text = EventData[3];
            txtdescshort.Text = EventData[4];
            txtdate.Text = Convert.ToDateTime(EventData[5]).ToShortDateString();
            txtstarttime.Text = Convert.ToDateTime(EventData[6]).ToLongTimeString();
            txtendtime.Text = Convert.ToDateTime(EventData[7]).ToLongTimeString();
            txtlink.Text = EventData[8];
      }
}
/*
private void Page_Load(object sender, System.EventArgs e)
{

  if( !this.IsPostBack )
  {

  }
}*/
</script>
<%
if(!Page.IsPostBack)
      PopulateFields(Convert.ToInt32(EventID));
%>
<form runat="server">

<table width="600" border="0">
      <tr>
            <td><div align="left">Event ID:</div></td>
            <td colspan="4"><asp:TextBox ID="txtid" MaxLength="15" TextMode="SingleLine" runat="server"  Enabled="false" Width="50"/></td>
      </tr>
      <tr>
            <td width="25%">Name:</td>
            <td width="23%">
          <asp:TextBox ID="txtname" MaxLength="50" TextMode="SingleLine" runat="server" />    
            </td>
            <td width="5%">&nbsp;</td>
            <td width="23%">Location:</td>
            <td width="23%">
          <asp:TextBox ID="txtlocation" MaxLength="50" TextMode="SingleLine" runat="server" />    
            </td>
      </tr>
      <tr>
            <td>Date:</td>
            <td><asp:TextBox ID="txtdate" MaxLength="50" TextMode="SingleLine" runat="server" /></td>
            <td>&nbsp;</td>
            <td>Start Time: </td>
            <td><asp:TextBox ID="txtstarttime" MaxLength="50" TextMode="SingleLine" runat="server" /></td>
      </tr>
      <tr>
            <td>Link:</td>
            <td><asp:TextBox ID="txtlink" MaxLength="50" TextMode="SingleLine" runat="server" /></td>
            <td>&nbsp;</td>
            <td>End Time: </td>
            <td><asp:TextBox ID="txtendtime" MaxLength="50" TextMode="SingleLine" runat="server" /></td>
      </tr>
      <tr>
            <td>Short Description: </td>
            <td colspan="4"><asp:TextBox ID="txtdescshort" MaxLength="100" TextMode="SingleLine" runat="server" Width="450"/></td>
            </tr>
      <tr>
            <td>Long Description: </td>
            <td colspan="4"><asp:TextBox ID="txtdesclong" TextMode="MultiLine" runat="server" Width="450" Rows="5"/></td>
            </tr>
      <tr>
            <td>&nbsp;</td>
            <td><div align="right"><asp:Button ID="btnupdate" Text="UpdateRecord" runat="server" OnClick="UpdateRecord"/>
            </div></td>
            <td>&nbsp;</td>
            <td><div align="left"><asp:Button ID="btndelete" Text="DeleteRecord" CommandArgument="idnum" CommandName="Delete" runat="server" />
                  </div></td>
            <td>&nbsp;</td>
      </tr>
</table>

<br>
<asp:ValidationSummary id="vsbumit" runat="server" />

<asp:RequiredFieldValidator ID="reqname" ControlToValidate="txtname" Display="None" ErrorMessage="Name: This field is required." runat="server" />

<asp:RequiredFieldValidator ID="reqlocation" ControlToValidate="txtlocation" Display="None" ErrorMessage="Location: This field is required." runat="server" />

<asp:RequiredFieldValidator ID="reqdate" ControlToValidate="txtdate" Display="None" ErrorMessage="Date: This field is required." runat="server" />
<asp:RegularExpressionValidator ID="valdate" ControlToValidate="txtdate" ValidationExpression="^\d{1,2}/\d{1,2}/(\d{4}|\d{2})$" ErrorMessage="Date: Invalid Format - mm/dd/yyyy" Display="None" runat="server" />

<asp:RequiredFieldValidator ID="reqstarttime" ControlToValidate="txtstarttime" Display="None" ErrorMessage="Start Time: This field is required." runat="server" />
<asp:RegularExpressionValidator ID="valtime" ControlToValidate="txtstarttime" ValidationExpression="^((0?[1-9]|1[012])(:[0-5]\d){0,2}(\ [AP]M))$|^((0?[1-9]|1[012])(:[0-5]\d){0,2}(\ [ap]m))$|^([01]\d|2[0-3])(:[0-5]\d){1,2}$" ErrorMessage="Start Time: Invalid Format - use hh:mm"  Display="None" runat="server" />

<asp:RequiredFieldValidator ID="reqendtime" ControlToValidate="txtendtime" Display="None" ErrorMessage="End Time: This field is required." runat="server" />
<asp:RegularExpressionValidator ID="valtime2" ControlToValidate="txtendtime" ValidationExpression="^((0?[1-9]|1[012])(:[0-5]\d){0,2}(\ [AP]M))$|^((0?[1-9]|1[012])(:[0-5]\d){0,2}(\ [ap]m))$|^([01]\d|2[0-3])(:[0-5]\d){1,2}$" ErrorMessage="End Time: Invalid Format - use hh:mm" Display="None" runat="server" />

<asp:RequiredFieldValidator ID="reqdesclong" ControlToValidate="txtdesclong" Display="None" ErrorMessage="Long Description: This field is required." runat="server" />

</form>