Brand new to xml and I'm trying to get Scott Mitchell's rss aggregator example working locally. Basically, involves a frameset with the channels(feeds) in the left frame, a list of items in the channel in the lower right, and the single item in the top right based on a selection in the lower right. When the channel within the left frame is clicked, bottom right frame changes with the items for the channel (feed). Taking it step-by-step. Have left frame loading from sql2005 and it's working great. Next I'm working on the list of items in the bottom right frame. (don't event have the soure identified in the top right as yet). Problem is, he wrote it in C and I don't have a clue. Converted it, but I'm having problems. Anybody able to provide simplistic help for a newbie? right now, it's stopping with an error of:
System.FormatEx ception: Input string was not in a correct format.
for the line:
Dim feedXML As XmlDocument = CType(Cache("ch annel" + channelID), XmlDocument) - <%@ Import Namespace="System.Web.UI.WebControls" %>
-
<%@ Import Namespace="System.Data" %>
-
<%@ Import Namespace="System.Data.SqlClient" %>
-
<%@ Import Namespace="System.Xml" %>
-
<%@ Import Namespace="System.Xml.xsl" %>
-
<%@Page Language="VB" debug="True"%>
-
<script language="vb" runat="server">
-
Private Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs)
-
Dim channelID As Integer
-
if Request.QueryString("channelID")="" then channelID=0 else channelID=Int32.Parse(Request.QueryString("channelID"))
-
Dim feedXML As XmlDocument = CType(Cache("channel" + channelID), XmlDocument)
-
If feedXML Is Nothing Then
-
Dim myConnection As SqlConnection = New SqlConnection("connect stuff;")
-
Dim SQL_QUERY As String = "SELECT URL, UpdateInterval FROM its.dbo.xTblRssChannels WHERE channelID = @channelID"
-
Dim myCommand As SqlCommand = New SqlCommand(SQL_QUERY, myConnection)
-
Dim feedParam As SqlParameter = New SqlParameter("@channelID", SqlDbType.Int, 4)
-
feedParam.Value = channelID
-
myCommand.Parameters.Add(feedParam)
-
myConnection.Open
-
Dim reader As SqlDataReader = myCommand.ExecuteReader(CommandBehavior.CloseConnection)
-
reader.Read
-
Dim feedURL As String = reader("URL").ToString
-
Dim updateInterval As Integer = Int32.Parse(reader("UpdateInterval").ToString)
-
myConnection.Close
-
feedXML = New XmlDocument
-
feedXML.Load(feedURL)
-
Cache.Insert("channel" + channelID, feedXML, Nothing, DateTime.Now.AddMinutes(updateInterval), TimeSpan.Zero)
-
End If
-
xmlNewsItems.Document = feedXML
-
Dim xsltArgList As Xsl.XsltArgumentList = New XsltArgumentList
-
xsltArgList.AddParam("channelID", "", channelID)
-
xmlNewsItems.TransformArgumentList = xsltArgList
-
End Sub
-
</script>
-
<script language="javascript">
-
// display a blank page in the bottom frame when the news items loads
-
parent.rbottom.location.href = "about:blank";
-
</script>
-
</head>
-
<body>
-
<form id="Form1" method="post" runat="server">
-
<asp:Xml id="xmlNewsItems" runat="server" TransformSource="rssItems.xslt"></asp:Xml>
-
</body>
-
</HTML>
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