Server Error in '/' Application.

The process cannot access the file 'C:\inetpub\wwwroot\OPAC\opac2020\kku20200327\ErrorLog\ErrorLog.txt' because it is being used by another process.

Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.IO.IOException: The process cannot access the file 'C:\inetpub\wwwroot\OPAC\opac2020\kku20200327\ErrorLog\ErrorLog.txt' because it is being used by another process.

Source Error:

An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.

Stack Trace:


[IOException: The process cannot access the file 'C:\inetpub\wwwroot\OPAC\opac2020\kku20200327\ErrorLog\ErrorLog.txt' because it is being used by another process.]
   System.IO.__Error.WinIOError(Int32 errorCode, String maybeFullPath) +372
   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) +776
   System.IO.FileStream..ctor(String path, FileMode mode, FileAccess access, FileShare share, Int32 bufferSize, FileOptions options, String msgPath, Boolean bFromProxy, Boolean useLongPath, Boolean checkHost) +66
   System.IO.StreamWriter.CreateFile(String path, Boolean append, Boolean checkHost) +73
   System.IO.StreamWriter..ctor(String path, Boolean append, Encoding encoding, Int32 bufferSize, Boolean checkHost) +73
   System.IO.StreamWriter..ctor(String path, Boolean append) +37
   log.LogError(String ex, String page) +335
   SolrnetSearch.KeywordSearch() +5624
   SolrnetSearch..ctor(DataTable InputQuery_, Int32 CurrentPage_, Int32 RowPerPage_, String OrderBy_) +504
   Results.binding_keyword(String Ntk, String Ntt, String Nto, Int32 _currentPage) +1824
   Results.Page_Load(Object sender, EventArgs e) +848
   System.Web.UI.Control.OnLoad(EventArgs e) +95
   System.Web.UI.Control.LoadRecursive() +59
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +678


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.7.3930.0