$stateProvider.state('/login',{
     url:'/login',
  templateUrl:'login.html',
   controller:'apcontroller'
  })
     .state('/Registration',{
       url:'/Registration',
  templateUrl:'Registration.html',
   controller:'apcontroller1'

.state('/Forgotpassword',{
       url:'/Forgotpassword',
  templateUrl:'Forgotpassword.html',
   controller:'Forgotpasswordcontroller'

.state('/Sendmail',{
       url:'/Sendmail',
  templateUrl:'Sendmail.html',
   controller:'Sendmailcontroller'

.state('/Changepassword',{
     url:'/Changepassword',
  templateUrl:'Changepassword.html',
   controller:'Changepasswordcontroller'

.state('/welcome',{
     url:'/welcome',
  templateUrl:'welcome.html',
    controller:'welcomecontroller'

}]);

var getUsername = $scope.usepas.username;
  var getPassword = $scope.usepas.password;

var username = resultss[i].Username;

 var value;
    if(username == getUsername)
    {
      $sessionStorage.sessname = username; // set sessionstorage

          var password = resultss[i].Password;

            if(password == getPassword)
            {
                session = username;

              value = getPassword;
            }

    }

  }
  if(value)

      {

         $location.path( "/welcome" );

      }
   else
              {
                $scope.error ="Invalid username and password";
              }
});

$scope.logout = function(){
         delete $sessionStorage.sessname;
          $location.path('/login');
                     };