On page load set Datatable and share connection

Hi!
 
I´m not so familar to shared, private, public, private subs at all and I´m trying to have a SQL connection on page load where I have two subs of Calendar1_dayrender and Calendar1_selectionChanged.
Both should be able to access the datatable builded in the page load.
Can anyone give me some direction on how to use share a datatable between subs? As for now I get an error when trying to use the dt (Datatable) in the other subs than page load.
 
My code:
 
Imports System.Configuration Imports System.Data Imports System.Linq Imports System.Web Imports System.Web.Security Imports System.Web.UI Imports System.Web.UI.HtmlControls Imports System.Web.UI.WebControls Imports System.Web.UI.WebControls.WebParts Imports System.Data.SqlClient Partial Class Events_event Inherits System.Web.UI.Page Private todo As New DataView() Shared Sub Page ...