Tip of the Day Demo (VB.net)
<%--
Code revised from
ASP.NET Tips & Techniques (Paperback)
by Greg Buczek
# Publisher: McGraw-Hill/Osborne Media; 1st edition (May 21, 2002)
# Language: English
# ISBN: 0072225149
--%>
<%@ Page Language=VB Debug=true %>
<%@ Import Namespace="System.Data" %>
<%@ Import Namespace="System.Data.OLEDB" %>
<script runat=server>
Sub Page_Load(ByVal Sender as Object, ByVal E as EventArgs)
Dim DBConn as OleDbConnection
Dim DBCommand As OleDbDataAdapter
Dim DSPageData as New DataSet
If Application("TipDate") <> Today() Then
Application("TipDate") = Today()
If Not Isnumeric(Application("TipNumber")) Then
Application("TipNumber") = 1
Else
Application("TipNumber") = _
Application("TipNumber") + 1
End If
End If
DBConn = New OleDbConnection( _
"PROVIDER=Microsoft.Jet.OLEDB.4.0;" _
& "DATA SOURCE=" _
& Server.MapPath _
("TipDB.mdb;"))
DBCommand = New OleDbDataAdapter _
("Select TipTitle, TipText From Tips " _
& "Where SequenceNumber = " _
& Application("TipNumber"), DBConn)
DBCommand.Fill(DSPageData, _
"TheTip")
If DSPageData.Tables("TheTip").Rows.Count = 0 Then
Application("TipNumber") = 1
DBCommand = New OleDbDataAdapter _
("Select TipTitle, TipText From Tips " _
& "Where SequenceNumber = " _
& Application("TipNumber"), DBConn)
DBCommand.Fill(DSPageData, _
"TheTip")
End If
lblTipTitle.Text = _
DSPageData.Tables("TheTip").Rows(0). _
Item("TipTitle")
lblTipText.Text = _
DSPageData.Tables("TheTip").Rows(0). _
Item("TipText")
End Sub
</SCRIPT>
<HTML>
<HEAD>
<TITLE>Tip of the Day</TITLE>
</HEAD>
<Body LEFTMARGIN="40">
<form runat="server">
<BR><BR>
<asp:label
id="lblTitle"
font-size="12pt"
font-bold="True"
font-name="Lucida Console"
runat="server"
text="Current Tip of the Day"
/>
<BR><BR>
<asp:label
id="lblTipTitle"
font-size="10pt"
font-name="Lucida Console"
runat="server"
/>
<BR>
<asp:label
id="lblTipText"
font-size="10pt"
font-name="Lucida Console"
runat="server"
/>
</form>
</BODY>
</HTML>
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