This is a demo. The Debug panel is shown below.
Click to sample to javascript trace writer

x DEBUG PANEL
Show AllShow NoneJS DebuggerSession InfoWeb Server
RequestTraceControl TreeSessionApplicationCookies-ReqCookies-RespHeaders-ReqHeaders-RespFormQueryStringServerVars
JavaScript Debugger:
Action:Execute / Show Object
Statement/Object:
Result:
Session Info:
Forms Authentication:
Culture:en-US
Code Page:65001
LCID:0x409
Theme:
Mode:InProc
Cookieless:False
New Session:True
Synchronized:False
Timeout:20 min
Script Timeout:500000 min
ViewState bytes
Browser Info
Web Server:
Machine Name:PSS7
OS Version:Microsoft Windows NT 6.1.7601 Service Pack 1
CLR Version:4.0.30319.36470

Request Details

Session Id:40hlvicxfg5pcw4xeb2lvppeRequest Type:GET
Time of Request:11/18/2018 8:07:39 AMStatus Code:200
Request Encoding:Unicode (UTF-8)Response Encoding:Unicode (UTF-8)

Trace Information

CategoryMessageFrom First(s)From Last(s)
aspx.pageBegin PreInit
aspx.pageEnd PreInit0.0000390.000039
aspx.pageBegin Init0.0000670.000028
aspx.pageEnd Init0.0002060.000139
aspx.pageBegin InitComplete0.0002160.000010
aspx.pageEnd InitComplete0.0002240.000008
aspx.pageBegin PreLoad0.0002340.000010
aspx.pageEnd PreLoad0.0002410.000007
aspx.pageBegin Load0.0002480.000007
DemoTraceThis is from an optional demo trace logger.0.0010070.000758
aspx.pageEnd Load0.0083410.007334
aspx.pageBegin LoadComplete0.0083610.000020
aspx.pageEnd LoadComplete0.0083690.000009
aspx.pageBegin PreRender0.0083770.000007
aspx.pageEnd PreRender0.0083860.000010
aspx.pageBegin PreRenderComplete0.0083960.000009
aspx.pageEnd PreRenderComplete0.0084030.000008
aspx.pageBegin SaveState0.0086130.000210
aspx.pageEnd SaveState0.0088550.000242
aspx.pageBegin SaveStateComplete0.0088650.000010
aspx.pageEnd SaveStateComplete0.0088740.000010
aspx.pageBegin Render0.0088820.000007
aspx.pageEnd Render0.0090870.000206

Control Tree

Control UniqueIDTypeRender Size Bytes (including children)ViewState Size Bytes (excluding children)ControlState Size Bytes (excluding children)
__PageASP.programming_dotnet_debug_demo_aspx917600
    ctl01System.Web.UI.ResourceBasedLiteralControl37500
    ctl00System.Web.UI.HtmlControls.HtmlForm43400
        ctl02System.Web.UI.LiteralControl13900
    ctl03System.Web.UI.LiteralControl200
    ctlDebugASP.programming_dotnet_debug_debug_ascx834700
        ctlDebug$ctl00System.Web.UI.ResourceBasedLiteralControl79100
        ctlDebug$dbgPanelSystem.Web.UI.HtmlControls.HtmlGenericControl755400
            ctlDebug$ctl01System.Web.UI.LiteralControl8700
            ctlDebug$dbgScriptSystem.Web.UI.WebControls.Literal6600
            ctlDebug$ctl02System.Web.UI.ResourceBasedLiteralControl289200
            ctlDebug$dbgSectionsSystem.Web.UI.WebControls.Literal429500
            ctlDebug$ctl03System.Web.UI.LiteralControl16300
        ctlDebug$ctl04System.Web.UI.LiteralControl200
    ctl04System.Web.UI.LiteralControl1800

Session State

Session KeyTypeValue
DevSystem.BooleanTrue

Application State

Application KeyTypeValue

Request Cookies Collection

NameValueSize

Response Cookies Collection

NameValueSize

Headers Collection

NameValue
ConnectionKeep-Alive
Accepttext/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Encodinggzip
Hostbeanland.net.au
If-Modified-SinceMon, 24 Sep 2018 03:29:48 GMT
User-AgentCCBot/2.0 (https://commoncrawl.org/faq/)

Response Headers Collection

NameValue
X-AspNet-Version4.0.30319
Cache-Controlprivate
Content-Typetext/html

Form Collection

NameValue

Querystring Collection

NameValue

Server Variables

NameValue
ALL_HTTPHTTP_CONNECTION:Keep-Alive HTTP_ACCEPT:text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8 HTTP_ACCEPT_ENCODING:gzip HTTP_HOST:beanland.net.au HTTP_IF_MODIFIED_SINCE:Mon, 24 Sep 2018 03:29:48 GMT HTTP_USER_AGENT:CCBot/2.0 (https://commoncrawl.org/faq/)
ALL_RAWConnection: Keep-Alive Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8 Accept-Encoding: gzip Host: beanland.net.au If-Modified-Since: Mon, 24 Sep 2018 03:29:48 GMT User-Agent: CCBot/2.0 (https://commoncrawl.org/faq/)
APPL_MD_PATH/LM/W3SVC/47/ROOT
APPL_PHYSICAL_PATHD:\InetPub\vhosts\beanland.net.au\httpdocs\
AUTH_TYPE 
AUTH_USER 
AUTH_PASSWORD 
LOGON_USER 
REMOTE_USER 
CERT_COOKIE 
CERT_FLAGS 
CERT_ISSUER 
CERT_KEYSIZE 
CERT_SECRETKEYSIZE 
CERT_SERIALNUMBER 
CERT_SERVER_ISSUER 
CERT_SERVER_SUBJECT 
CERT_SUBJECT 
CONTENT_LENGTH0
CONTENT_TYPE 
GATEWAY_INTERFACECGI/1.1
HTTPSoff
HTTPS_KEYSIZE 
HTTPS_SECRETKEYSIZE 
HTTPS_SERVER_ISSUER 
HTTPS_SERVER_SUBJECT 
INSTANCE_ID47
INSTANCE_META_PATH/LM/W3SVC/47
LOCAL_ADDR192.185.7.82
PATH_INFO/Programming/dotnet/Debug/demo.aspx
PATH_TRANSLATEDD:\InetPub\vhosts\beanland.net.au\httpdocs\Programming\dotnet\Debug\demo.aspx
QUERY_STRING 
REMOTE_ADDR54.82.73.21
REMOTE_HOST54.82.73.21
REMOTE_PORT48040
REQUEST_METHODGET
SCRIPT_NAME/Programming/dotnet/Debug/demo.aspx
SERVER_NAMEbeanland.net.au
SERVER_PORT80
SERVER_PORT_SECURE0
SERVER_PROTOCOLHTTP/1.1
SERVER_SOFTWAREMicrosoft-IIS/7.5
URL/Programming/dotnet/Debug/demo.aspx
HTTP_CONNECTIONKeep-Alive
HTTP_ACCEPTtext/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
HTTP_ACCEPT_ENCODINGgzip
HTTP_HOSTbeanland.net.au
HTTP_IF_MODIFIED_SINCEMon, 24 Sep 2018 03:29:48 GMT
HTTP_USER_AGENTCCBot/2.0 (https://commoncrawl.org/faq/)

Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.0.30319.36430