线程异常

wang123456

错误信息
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System.InvalidOperationException: Collection was modified; enumeration operation may not execute.
   at System.ThrowHelper.ThrowInvalidOperationException(ExceptionResource resource)
   at System.Collections.Generic.List`1.Enumerator.MoveNextRare()
   at System.Collections.Generic.List`1.Enumerator.MoveNext()
   at System.Linq.Enumerable.FirstOrDefault[TSource](IEnumerable`1 source, Func`2 predicate)
   at ..
(String ) in #Xe:line 407
   at ..
(Object ,  ) in #ee:line 103
   at ..(Object ,  ) in #Zd:line 149
   at ..( ) in #ce:line 127
   at ..
[
](Uri , Uri , HttpMethod , Object , Boolean , Action`1 ) in #gc:line 404
   at ..
[
](String , String , HttpMethod , Object , Action`1 ) in #ce:line 200
   at ..() in #Oe:line 222
   at ..
(Object ) in #Oe:line 16777215
   at System.Threading.QueueUserWorkItemCallback.WaitCallback_Context(Object state)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean ignoreSyncCtx)
   at System.Threading.QueueUserWorkItemCallback.System.Threading.IThreadPoolWorkItem.ExecuteWorkItem()
   at System.Threading.ThreadPoolWorkQueue.Dispatch()
   at System.Threading._ThreadPoolWaitCallback.PerformWaitCallback()


环境信息
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操作系统版本：Microsoft Windows NT 5.1.2600 Service Pack 3
程序运行目录：E:\12306\12306订票助手.NET_2.7.2.1034\12306订票助手.NET


模块信息
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[001]. mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089 , C:\WINDOWS\Microsoft.NET\Framework\v4.0.30319\mscorlib.dll
[002]. 12306订票助手, Version=2.7.2.1034, Culture=neutral, PublicKeyToken=063375134da4cdc3 , E:\12306\12306订票助手.NET_2.7.2.1034\12306订票助手.NET\12306订票助手.exe
[003]. System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089 , C:\WINDOWS\Microsoft.Net\assembly\GAC_MSIL\System.Windows.Forms\v4.0_4.0.0.0__b77a5c561934e089\System.Windows.Forms.dll
[004]. System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a , C:\WINDOWS\Microsoft.Net\assembly\GAC_MSIL\System.Drawing\v4.0_4.0.0.0__b03f5f7f11d50a3a\System.Drawing.dll
[005]. System, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089 , C:\WINDOWS\Microsoft.Net\assembly\GAC_MSIL\System\v4.0_4.0.0.0__b77a5c561934e089\System.dll
[006]. TOBA.Interface, Version=1.0.0.0, Culture=neutral, PublicKeyToken=063375134da4cdc3 , E:\12306\12306订票助手.NET_2.7.2.1034\12306订票助手.NET\TOBA.Interface.dll
[007]. System.Configuration, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a , C:\WINDOWS\Microsoft.Net\assembly\GAC_MSIL\System.Configuration\v4.0_4.0.0.0__b03f5f7f11d50a3a\System.Configuration.dll
[008]. System.Xml, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089 , C:\WINDOWS\Microsoft.Net\assembly\GAC_MSIL\System.Xml\v4.0_4.0.0.0__b77a5c561934e089\System.Xml.dll
[009]. System.Core, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089 , C:\WINDOWS\Microsoft.Net\assembly\GAC_MSIL\System.Core\v4.0_4.0.0.0__b77a5c561934e089\System.Core.dll
[010]. Newtonsoft.Json, Version=4.5.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed , E:\12306\12306订票助手.NET_2.7.2.1034\12306订票助手.NET\Newtonsoft.Json.dll
[011]. System.ComponentModel.DataAnnotations, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35 , C:\WINDOWS\Microsoft.Net\assembly\GAC_MSIL\System.ComponentModel.DataAnnotations\v4.0_4.0.0.0__31bf3856ad364e35\System.ComponentModel.DataAnnotations.dll
[012]. System.Runtime.Serialization, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089 , C:\WINDOWS\Microsoft.Net\assembly\GAC_MSIL\System.Runtime.Serialization\v4.0_4.0.0.0__b77a5c561934e089\System.Runtime.Serialization.dll
[013]. System.Xml.Linq, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089 , C:\WINDOWS\Microsoft.Net\assembly\GAC_MSIL\System.Xml.Linq\v4.0_4.0.0.0__b77a5c561934e089\System.Xml.Linq.dll
[014]. System.Data, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089 , C:\WINDOWS\Microsoft.Net\assembly\GAC_32\System.Data\v4.0_4.0.0.0__b77a5c561934e089\System.Data.dll
[015]. BetterListViewExpress, Version=3.8.2.0, Culture=neutral, PublicKeyToken=e6c91a3add447be2 , E:\12306\12306订票助手.NET_2.7.2.1034\12306订票助手.NET\BetterListViewExpress.dll
[016]. SimpleUpdater, Version=2.3.4.5, Culture=neutral, PublicKeyToken=8bf54bd6729f490c , E:\12306\12306订票助手.NET_2.7.2.1034\12306订票助手.NET\SimpleUpdater.dll
[017]. ?, Version=0.0.0.0, Culture=neutral, PublicKeyToken=null ,  不可用信息 (动态程序集)
[018]. Accessibility, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a , C:\WINDOWS\Microsoft.Net\assembly\GAC_MSIL\Accessibility\v4.0_4.0.0.0__b03f5f7f11d50a3a\Accessibility.dll
[019]. evdhfxb2, Version=2.3.4.5, Culture=neutral, PublicKeyToken=null ,
[020]. System.Web, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a , C:\WINDOWS\Microsoft.Net\assembly\GAC_32\System.Web\v4.0_4.0.0.0__b03f5f7f11d50a3a\System.Web.dll

wang123456

请鱼大了解