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我知道該網站現在已經引起了關注,但我現在和未來應該如何處理這個案例?我應該如何處理WebException無法連接到遠程服務器?
page = client.DownloadString("http://rotter.net/scoopscache.html");
頁面是字符串變量。
System.Net.WebException was unhandled
HResult=-2146233079
Message=Unable to connect to the remote server
Source=System
StackTrace:
at System.Net.WebClient.DownloadDataInternal(Uri address, WebRequest& request)
at System.Net.WebClient.DownloadString(Uri address)
at System.Net.WebClient.DownloadString(String address)
at ScrollLabelTest.Form1..ctor() in e:\scrolllabel\ScrollLabel\ScrollLabel\Form1.cs:line 41
at ScrollLabelTest.Program.Main() in e:\scrolllabel\ScrollLabel\ScrollLabel\Program.cs:line 18
at System.AppDomain._nExecuteAssembly(RuntimeAssembly assembly, String[] args)
at System.AppDomain.ExecuteAssembly(String assemblyFile, Evidence assemblySecurity, String[] args)
at Microsoft.VisualStudio.HostingProcess.HostProc.RunUsersAssembly()
at System.Threading.ThreadHelper.ThreadStart_Context(Object state)
at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
at System.Threading.ThreadHelper.ThreadStart()
InnerException: System.Net.Sockets.SocketException
HResult=-2147467259
Message=A connection attempt failed because the connected party did not properly respond after a period of time or established connection failed because connected host has failed to respond 199.203.52.152:80
Source=System
ErrorCode=10060
NativeErrorCode=10060
StackTrace:
at System.Net.Sockets.Socket.DoConnect(EndPoint endPointSnapshot, SocketAddress socketAddress)
at System.Net.ServicePoint.ConnectSocketInternal(Boolean connectFailure, Socket s4, Socket s6, Socket& socket, IPAddress& address, ConnectSocketState state, IAsyncResult asyncResult, Exception& exception)
InnerException:
Rooxo應該嘗試並抓住並嘗試在計時器中的網頁可以說每60秒或每隔幾分鐘?我的意思是一旦嘗試並捕獲構造函數,並且如果它拋出異常,然後將其移動到計時器,然後打開計時器並嘗試捕捉它,直到網頁將工作。這是一個好邏輯嗎?如果是這樣怎麼辦? – user3200169
我不會一直嘗試訪問網站。如果確實需要將內容退出並出現錯誤,並讓用戶決定何時再試 – Rooxo