hello friends,

I have created small application for login in flex desktop application. In which I am refering webservice method for login for this have created the Authentication class. Now I want to refer different Textinput value for mobile no and Textinput value for password. In my Authentication class.

for this I have created the object of mxml class.And using this I am getting the mobile no value and password value in My Action script class.

This my code :-

SBTS.mxml file

xmlns:mx="http://www.adobe.com/2006/mxml" layout="absolute">

public

function login():void

{

var User:Authentication;

User =

new Authentication();

User.authentication();

}

]]>

text="

Select Child."/>

Action script class :-

package

src

{

import adobe.utils.XMLUI;

import generated.webservices.*;

import mx.collections.ArrayCollection;

import mx.controls.Alert;

import mx.rpc.events.FaultEvent;

public class Authentication

{

[

Bindable]

private var childName:ArrayCollection;

[

Bindable]

private var childId:ArrayCollection;

private var photoFeed:ArrayCollection;

private var arrayOfchild:Array;

private var newEntry:GetSBTSMobileAuthentication;

public var user:SBTSWebService;

public var mxmlobj:SBTS;

public function authentication():void

{

user =

new SBTSWebService();

if(user!=null)

{

user.addSBTSWebServiceFaultEventListener(handleFaults);

user.addgetSBTSMobileAuthenticationEventListener(authenticationResult);

newEntry =

new GetSBTSMobileAuthentication();

if(newEntry!=null)

{

mxmlobj =

new SBTS();

if(mxmlobj != null)

{

newEntry.mobile = mxmlobj.mobileno.text; // Getting error here error mention below

newEntry.password= mxmlobj.password.text;

}

user.getSBTSMobileAuthentication(newEntry);

}

}

}

public function handleFaults(event:FaultEvent):void

{

Alert.show(

"A fault occured contacting the server. Fault message is: " + event.fault.faultString);

}

public function authenticationResult(event:GetSBTSMobileAuthenticationResultEvent):void

{

if(event.result != null && event.result._return>0)

{

if(event.result._return > 0)

{

var UserId:int = event.result._return;

if(mxmlobj != null)

{

mxmlobj.loginform.enabled =

false;

mxmlobj.viewstack2.selectedIndex=1;

}

}

else

{

Alert.show(

"Authentication fail");

}

}

}

}

}

I am getting this error :-

TypeError: Error #1009: Cannot access a property or method of a null object reference.

at SBTSBusineesObject::Authentication/authentication()[E:\Users\User1\Documents\Fl ex Builder 3\SBTS\src\SBTSBusineesObject\Authentication.as:35]

at SBTS/login()[E:\Users\User1\Documents\Flex Builder 3\SBTS\src\SBTS.mxml:12]

at SBTS/___SBTS_Button1_click()[E:\Users\User1\Documents\Flex Builder 3\SBTS\src\SBTS.mxml:27]

please help me to remove this error.