Server Error in '/thumb' Application.

The process cannot access the file 'w:\Temp.web\thumb\0790661.png' 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 'w:\Temp.web\thumb\0790661.png' because it is being used by another process.

Source Error:


Line 185:					Response.ContentType = ContentType
Line 186:					response.writefile(FilePath)
Line 187:					response.flush
Line 188:					File.Delete(FilePath)
Line 189:				else

Source File: E:\InetPub\wwwroot\Utils\thumb\Default3.aspx.vb Line: 187

Stack Trace:


[IOException: The process cannot access the file 'w:\Temp.web\thumb\0790661.png' 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) +65
   System.Web.Hosting.IIS7WorkerRequest.SendResponseFromFile(String name, Int64 offset, Int64 length) +98
   System.Web.HttpFileResponseElement.System.Web.IHttpResponseElement.Send(HttpWorkerRequest wr) +89
   System.Web.HttpWriter.Send(HttpWorkerRequest wr) +84
   System.Web.HttpResponse.UpdateNativeResponse(Boolean sendHeaders) +453
   System.Web.HttpResponse.Flush(Boolean finalFlush, Boolean async) +152
   System.Web.HttpResponse.Flush() +23
   _Default.Page_Load(Object sender, EventArgs e) in E:\InetPub\wwwroot\Utils\thumb\Default3.aspx.vb:187
   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:4.7.4108.0