在 System.Web.UI.Page.HandleError(Exception e)
   在 System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint)
   在 System.Web.UI.Page.ProcessRequest(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint)
   在 System.Web.UI.Page.ProcessRequest()
   在 System.Web.UI.Page.ProcessRequest(HttpContext context)
   在 ASP.index_aspx.ProcessRequest(HttpContext context) 位置 c:\Windows\Microsoft.NET\Framework64\v4.0.30319\Temporary ASP.NET Files\root\3f46d4c8\1eb4d8b4\App_Web_5eiqcnpi.0.cs:行号 0
   在 System.Web.HttpApplication.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute()
   在 System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously)

System.Reflection.TargetInvocationException: 调用的目标发生了异常。 ---> System.IO.IOException: 文件“D:\WWWRooT(V7)\V7.0专享版\config\version.xml”正由另一进程使用，因此该进程无法访问此文件。
   在 System.IO.__Error.WinIOError(Int32 errorCode, String maybeFullPath)
   在 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, Boolean checkHost)
   在 System.IO.FileStream..ctor(String path, FileMode mode, FileAccess access, FileShare share, Int32 bufferSize)
   在 System.Xml.XmlDownloadManager.GetStream(Uri uri, ICredentials credentials, IWebProxy proxy, RequestCachePolicy cachePolicy)
   在 System.Xml.XmlUrlResolver.GetEntity(Uri absoluteUri, String role, Type ofObjectToReturn)
   在 System.Xml.XmlTextReaderImpl.OpenUrlDelegate(Object xmlResolver)
   在 System.Runtime.CompilerServices.RuntimeHelpers.ExecuteCodeWithGuaranteedCleanup(TryCode code, CleanupCode backoutCode, Object userData)
   在 System.Threading.CompressedStack.Run(CompressedStack compressedStack, ContextCallback callback, Object state)
   在 System.Xml.XmlTextReaderImpl.OpenUrl()
   在 System.Xml.XmlTextReaderImpl.Read()
   在 System.Xml.XmlLoader.Load(XmlDocument doc, XmlReader reader, Boolean preserveWhitespace)
   在 System.Xml.XmlDocument.Load(XmlReader reader)
   在 System.Xml.XmlDocument.Load(String filename)
   在 Kesion.Publics.Utils.GetSysInfo(String Path)
   在 Kesion.Publics.Utils.GetBusinessVersion()
   在 Kesion.Controllers.courseController.DoListSearch(String& F_C, Int32 teachWay, Boolean isMobileDevice, Boolean isSchool)
   在 Kesion.Controllers.courseController.DoSearch(Int32 teachWay, Boolean isMobileDevice, Boolean isSchool)
   在 Kesion.Controllers.courseController.List(Int32 teachWay, Boolean isMobileDevice, Boolean isSchool)
   在 Kesion.Controllers.courseController.doRun(String a, Boolean isMobileDevice, Boolean isSchool)
   在 Kesion.Controllers.courseController.Run(Boolean isMobileDevice)
   --- 内部异常堆栈跟踪的结尾 ---
   在 System.RuntimeMethodHandle.InvokeMethod(Object target, Object[] arguments, Signature sig, Boolean constructor)
   在 System.Reflection.RuntimeMethodInfo.UnsafeInvokeInternal(Object obj, Object[] parameters, Object[] arguments)
   在 System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture)
   在 Kesion.NET.WebSite.Index.Page_Load(Object sender, EventArgs e)
   在 System.Web.UI.Control.OnLoad(EventArgs e)
   在 System.Web.UI.Control.LoadRecursive()
   在 System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint)