This code has called into another function?
Hej Alle.Jeg har et problem i min applikation jeg håber nogle kan løse.
Ved at bruge en timer kontrol kalder jeg en funktion, der henter en xml fil, lige pt. hvert 30 sekund.
Problemet opstår, når funktionen er blevet kaldt et par gange, så fryser applikationen. Jeg pauser så min applikation, den markerer følgende sætning:
> Dim myHulaResponse As System.Net.WebResponse = myHulaRequest.GetResponse()
Og siger:
This code has called into another function. When that function is finished, this is the next statement that will be executed.
Når jeg tvinger den til at gå videre får jeg en timeout meddelelse.
Mit spørgsmål er så, hvordan jeg enten kan tvinge den til at gå videre, eller lukke connectionen til objektet ??
Jeg er lidt på bar bund her, så hjælp er rigtig meget værdsat :)
Min kode herunder:
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Public Class RssManager
Public Shared Function ProcessNewsFeed(ByVal rssURL As String) As ArrayList
Dim returnArrayList As New ArrayList
Try
Dim myHulaRequest As System.Net.WebRequest = System.Net.WebRequest.Create(rssURL)
Dim myHulaResponse As System.Net.WebResponse = myHulaRequest.GetResponse()
myHulaRequest.Timeout = 10000
Dim rssHulaStream As System.IO.Stream = myHulaResponse.GetResponseStream()
Dim rssHulaDoc As System.Xml.XmlDocument = New System.Xml.XmlDocument()
rssHulaDoc.Load(rssHulaStream)
Dim rssHulaItems As System.Xml.XmlNodeList = rssHulaDoc.SelectNodes("rss/channel/item")
Dim currentHulaRssItem As System.Xml.XmlNode
For Each currentHulaRssItem In rssHulaItems
Dim rssHulaDetail As System.Xml.XmlNode
Dim tempHulaNewsItem As New NewsItem
' TITLE
rssHulaDetail = currentHulaRssItem.SelectSingleNode("title")
If Not IsNothing(rssHulaDetail) Then
tempHulaNewsItem.Title = rssHulaDetail.InnerText
Else
tempHulaNewsItem.Title = ""
End If
' LINK
rssHulaDetail = currentHulaRssItem.SelectSingleNode("link")
If Not IsNothing(rssHulaDetail) Then
tempHulaNewsItem.Link = rssHulaDetail.InnerText
Else
tempHulaNewsItem.Link = ""
End If
' DESCRIPTION
rssHulaDetail = currentHulaRssItem.SelectSingleNode("description")
If Not IsNothing(rssHulaDetail) Then
tempHulaNewsItem.Description = rssHulaDetail.InnerText
Else
tempHulaNewsItem.Description = ""
End If
' PUBLISER
rssHulaDetail = currentHulaRssItem.SelectSingleNode("publiser")
If Not IsNothing(rssHulaDetail) Then
tempHulaNewsItem.Publiser = rssHulaDetail.InnerText
Else
tempHulaNewsItem.Publiser = ""
End If
' Hula USER
rssHulaDetail = currentHulaRssItem.SelectSingleNode("hulauser")
If Not IsNothing(rssHulaDetail) Then
tempHulaNewsItem.Hulauser = rssHulaDetail.InnerText
Else
tempHulaNewsItem.Hulauser = ""
End If
returnArrayList.Add(tempHulaNewsItem)
Next
' Clean up
currentHulaRssItem = Nothing
rssHulaItems = Nothing
rssHulaDoc = Nothing
rssHulaStream.Close()
myHulaResponse.Close()
myHulaResponse = Nothing
myHulaRequest = Nothing
Catch Ex As Exception
' Do nothing
MessageBox.Show("Fejl:" & Ex.ToString())
End Try
Return returnArrayList
End Function
End Class