Getting TypeError: Error #1009: Cannot access a property or method of a null object reference.
- by nemade-vipin
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._return0)
{
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.
