Server cannot append header after HTTP headers have been sent.

Server Error in '/' Application.

Server cannot append header after HTTP headers have been sent.

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.Web.HttpException: Server cannot append header after HTTP headers have been sent.

Source Error:


Line 34:                     Response.Filter = new GZipStream(
Line 35:                         Response.Filter, CompressionMode.Compress);
Line 36:                     Response.AppendHeader(
Line 37:                         "Content-Encoding", "gzip");
Line 38:                 }

Source File: d:\vhosts\pgsez.ir\httpdocs\App_Code\Global.cs Line: 36

Stack Trace:


[HttpException (0x80004005): Server cannot append header after HTTP headers have been sent.]
   System.Web.HttpResponse.AppendHeader(String name, String value) +2857733
   Global.Global_PostReleaseRequestState(Object sender, EventArgs e) in d:\vhosts\pgsez.ir\httpdocs\App_Code\Global.cs:36
   System.Web.SyncEventExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +68
   System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +75

Version Information: Microsoft .NET Framework Version:2.0.50727.3615; ASP.NET Version:2.0.50727.3614