[IOException: The process cannot access the file 'D:\wwwroot\hnzbtbcom\wwwroot\CCLOG\CCLOG.txt' because it is being used by another process.]
   System.IO.__Error.WinIOError(Int32 errorCode, String maybeFullPath) +9726998
   System.IO.FileStream.Init(String path, FileMode mode, FileAccess access, Int32 rights, Boolean useRights, FileShare share, Int32 bufferSize, FileOptions options, SECURITY_ATTRIBUTES secAttrs, String msgPath, Boolean bFromProxy, Boolean useLongPath) +1142
   System.IO.FileStream..ctor(String path, FileMode mode, FileAccess access, FileShare share, Int32 bufferSize, FileOptions options) +82
   System.IO.StreamWriter.CreateFile(String path, Boolean append) +55
   System.IO.StreamWriter..ctor(String path, Boolean append, Encoding encoding, Int32 bufferSize) +121
   System.IO.StreamWriter..ctor(String path, Boolean append) +33
   System.IO.File.AppendText(String path) +37
   Ascx_Top.GetCC() +844
   Ascx_Top.Page_Load(Object sender, EventArgs e) +35
   System.Web.Util.CalliHelper.EventArgFunctionCaller(IntPtr fp, Object o, Object t, EventArgs e) +14
   System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) +35
   System.Web.UI.Control.OnLoad(EventArgs e) +91
   System.Web.UI.Control.LoadRecursive() +74
   System.Web.UI.Control.LoadRecursive() +146
   System.Web.UI.Control.LoadRecursive() +146
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +2207