why buttons not fired

Question

<div ng-controller="pucdes">

<form name="f1" ng-submit="Savedata(apis)">

<div>

{{mess}}

</div>

<input type="text" name="jjj" ng-class="Submitted?'ng-girty':''" required autofocus />

<span class="Error" ng-show="(f1.jjj.$dirty ||Submitted) && f1.jjj.$error.required">kkkkkkk</span>

{{mess}}

<input type="submit" ng-click="myFunction()" value="Savedata">

<input type="submit" ng-click="myFunction2()" value="Editdata">

</form>

</div>

angular.module("MyApp")

.controller("pucdes", function ($scope, locationder) {

$scope.Savedata = function () {

$scope.Submitted = true;

alert("ppp");

locationder.Sessiondata2($scope.myFunction)

.then(function (d) {

alert('fjfbffbjbf')

$scope.mess = "jjjjjjj.......sucess.......";

})

locationder.Sessiondata($scope.myFunction2)

.then(function (d) {

$scope.mess = "jjjjjjj.......sucess.......";

})

}

})

.factory("locationder", function ($http, $q) {

var fac = {};

fac.Sessiondata2 = function () {

// var defer = $q.defer();

$http({

url: '/Home/pubs3',

method: "POST",

data: JSON.stringify(),

headers: { 'content-type': 'application/json' }

})

}

fac.Sessiondata = function () {

$http({

url: '/Home/pubs2',

method: "POST",

data: JSON.stringify(),

headers: { 'content-type': 'application/json' }

})

}

//return defer.promise;

// }

return fac;

});