I have done all above ways to solve the issue but it still shows me error ‘Sys’
is undefined in my javascript file

_EventPool = function() {
_EventPool.initializeBase(this);
};
_EventPool.prototype = {
addEvent: function(name, handler) {
this.get_events().addHandler(name, handler);
},
removeEvent: function(name, handler) {
this.get_events().removeHandler(name, handler);
},
raiseEvent: function(name, source, args) {
var handler = this.get_events().getHandler(name);
if (handler) {
handler(source, args);
}
}
};
_EventPool.registerClass(“_EventPool”, Sys.Component);
var $evp = $create(_EventPool, { “id”: “EventPool” }, null, null, null);

so what should i do to avoid this problem please help me.

i have created “OutOfBandSessionValidator.vb” too as

Imports System.Web
Imports System.Web.SessionState
Namespace CustomHandler
Public Class OutOfBandSessionValidator
Implements IHttpHandler
Implements IRequiresSessionState
Public ReadOnly Property IsReusable() As Boolean Implements IHttpHandler.IsReusable
Get
Return False
End Get
End Property

Public Sub ProcessRequest(ByVal context As HttpContext) Implements IHttpHandler.ProcessRequest

End Sub
End Class
End Namespace

i have also installed “ASPNETAJAXVS2008″ but it still shows me the error
“sys” is undefined.
i tried all above ways to solve the problem but the issue still persists.
Please help me.

I stuck here since last one week.
Help will be greatly appreciated.
Thanks in advance.

On the top of ASPX page add register:(sorry couldn’t add the less than and greater than symbol as the post is not accepting it so typing [ ] symbols instead.)

[%@ Register Assembly="System.Web.Extensions, Version=1.0.61025.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35"
Namespace="System.Web.UI" TagPrefix="asp" %]

(this will automatically be added once you drag and drop the “UpdatePanel”.)
drag and drop “ScriptManager” below the “form” tag and make sure above other ajax controls and the respective javascript.

Now, in the web.config add between [system.web] tags:

[httpHandlers]
[add verb="GET" path="ScriptResource.axd" type="System.Web.Handlers.ScriptResourceHandler" validate="false"/ ]
[ /httpHandlers]

(Usually the problem occurs here in the httpHandlers, as many use “Microsoft” instead of “System”.

~Cheers.

Angelo

On the top of ASPX page type:

(this will automatically be added once you drag and drop the “UpdatePanel”.)
drag and drop “ScriptManager” below the tag and make sure above other ajax controls and the respective javascript.

Now, in the web.config add between tags:

(Usually the problem occurs here in the httpHandlers, as many use “Microsoft” instead of “System”.

~Cheers.

Angelo