WebClient DownloadStringCompleted Never started in console application
I don't know why the callback methods are not triggered in ALL. I am using VS 2010.
static void Main(string[] args)
{
try
{
var url = "some link to RSS FEED";
var client = new WebClient();
client.DownloadStringCompleted += new DownloadStringCompletedEventHandler(client_DownloadStringCompleted);
client.DownloadDataCompleted += new DownloadDataCompletedEventHandler(client_DownloadDataCompleted);
client.DownloadStringAsync(new Uri(url));
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
}
// THIS IS NEVER FIRED
static void client_DownloadDataCompleted(object sender, DownloadDataCompletedEventArgs e)
{
Console.WriteLine("something");
}
// THIS IS NEVER FIRED
static void client_DownloadStringCompleted(object sender, DownloadStringCompletedEventArgs e)
{
Console.WriteLine("do something");
var rss = XElement.Parse(e.Result);
var pictures = from item in rss.Descendants("channel")
select new Picture
{
Name = item.Element("title").Value
};
foreach (var picture in pictures)
{
Console.WriteLine(picture.Name);
Console.WriteLine(picture.Url);
}
}
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2 answers
The event DownloadDataCompleted
fires if you call the method DownloadDataAsync()
. DownloadStringCompleted
runs if you call the method DownloadStringAsync()
.
To fire the DownloadDataCompleted event try:
static void Main(string[] args)
{
try
{
var url = "http://blog.gravitypad.com";
//client.DownloadStringCompleted += new DownloadStringCompletedEventHandler(client_DownloadStringCompleted);
client.DownloadDataCompleted += new DownloadDataCompletedEventHandler(client_DownloadDataCompleted);
client.DownloadDataAsync(new Uri(url));
Console.ReadLine();
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
}
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