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ASP.NET MVC 6 Hosting - :: How To Create Google Maps Sample App ASP.NET MVC And AngularJS

clock May 30, 2016 21:03 by author Anthony

Today I am going to explain how to create Google Maps Sample App with AngularJS and MVC. In one of the previous article, we have seen How to display google map in application andHow to load GMap Direction from database in ASP.NET using google map.

In order to use the Google Maps in our application, we need to add the following resources: 

  • angular.js
  • lodash.js - Loadash is a dependency of angular-google-maps library.
  • angular-google-maps.js - Angular Google Maps is a set of directives which integrate Google Maps in an AngularJS applications.

Just follow the following steps in order to create a sample google app with AngularJS and MVC:

Step - 1: Create New Project.

Go to File > New > Project > Select MVC4 web application > Entry Application Name > Click OK > Select Basic > Select view engine Razor > OK 

Step-2: Add a Database.

Go to Solution Explorer > Right Click on App_Data folder > Add > New item > Select SQL Server Database Under Data > Enter Database name > Add. Here I have added a database for store some location information in our database for show in the google map.  

Step-3: Create a table.

Here I will create 1 table (as below) for store location information. Open Database > Right Click on Table > Add New Table > Add Columns > Save > Enter table name > Ok. 

Step-4: Add Entity Data Model.

Go to Solution Explorer > Right Click on Project name form Solution Explorer > Add > New item > Select Entity Data Model under data > Enter model name > Add. A popup window will come (Entity Data Model Wizard) > Select Generate from database > Next > Chose your data connection > select your database > next > Select tables > enter Model Namespace > Finish. 

Step-5: Create a Controller.

Go to Solution Explorer > Right Click on Controllers folder form Solution Explorer > Add > Controller > Enter Controller name > Select Templete "empty MVC Controller"> Add. Here I have created a controller "HomeController" 

Step-6: Add new action into the controller to get the view where we will show google map

Here I have added "Index" Action into "Home" Controller. Please write this following code 

public ActionResult Index()
    return View();

Step-7: Add another action (here "GetAllLocation") for fetch all the location from the database.

public JsonResult GetAllLocation()
using (MyDatabaseEntities dc = new MyDatabaseEntities())   
var v = dc.Locations.OrderBy(a => a.Title).ToList();      
return new JsonResult { Data = v, JsonRequestBehavior = JsonRequestBehavior.AllowGet };

Step-8: Add 1 more action (here "GetMarkerInfo") for getting google marker information from the database to show in the map.

public JsonResult GetMarkerInfo(int locationID)
{    using (MyDatabaseEntities dc = new MyDatabaseEntities())
    {        Location l = null;
        l = dc.Locations.Where(a => a.LocationID.Equals(locationID)).FirstOrDefault();
        return new JsonResult { Data = l, JsonRequestBehavior = JsonRequestBehavior.AllowGet };

Step-9: Add a new javascript file, will contain all the necessary logic to implement our Google Map.

Right Click on Action Method (here right click on Index action) > Add View... > Enter View Name > Select View Engine (Razor) > Add. 

var app = angular.module('myApp', ['uiGmapgoogle-maps']);
app.controller('mapController', function ($scope, $http) {
     //this is for default map focus when load first time
    $ = { center: { latitude: 22.590406, longitude: 88.366034 }, zoom: 16 }
     $scope.markers = [];
    $scope.locations = [];
    //Populate all location
    $http.get('/home/GetAllLocation').then(function (data) {
        $scope.locations =;
    }, function () {
    //get marker info
    $scope.ShowLocation = function (locationID) {
        $http.get('/home/GetMarkerInfo', {
            params: {
                locationID: locationID
        }).then(function (data) {
            //clear markers
            $scope.markers = [];
                coords: { latitude:, longitude: },
                image :           
            //set map focus to center
            $ =;
            $ =;
        }, function () {
    //Show / Hide marker on map
    $scope.windowOptions = {
        show: true

Step-10: Add view for the action (here "Index") & design.

Right Click on Action Method (here right click on Index action) > Add View... > Enter View Name > Select View Engine (Razor) > Add. HTML Code 

@{    ViewBag.Title = "Index";
<div ng-app="myApp" ng-controller="mapController">
    <div class="locations">
            <li ng-repeat="l in locations" ng-click="ShowLocation(l.LocationID)">{{l.Title}}</li>
    <div class="maps">
        <!-- Add directive code (gmap directive) for show map and markers-->
        <ui-gmap-google-map center="" zoom="map.zoom">
            <ui-gmap-marker ng-repeat="marker in markers" coords="marker.coords" options="marker.options" events="" idkey="">
                <ui-gmap-window options="windowOptions" show="">
                    <div style="max-width:200px">
                        <div class="header"><strong>{{marker.title}}</strong></div>
                        <div id="mapcontent">
                                <img ng-src="{{marker.image}}" style="width:200px; height:100px" />
@* Now here we need to some css and js *@
    .angular-google-map-container {
    .angular-google-map {
        margin:auto 0px;
    .locations {
        width: 200px;
        float: left;
    .locations ul {
        padding: 0px;
        margin: 0px;
        margin-right: 20px;
    .locations ul li {
        list-style-type: none;
        padding: 5px;
        border-bottom: 1px solid #f3f3f3;
        cursor: pointer;
@section Scripts{
    @* AngularJS library *@
    <script src="//"></script>
    @* google map directive js *@
    <script src="//"></script>
    <script src="//"></script>
    @* here We will add our created js file *@
    <script src="~/Scripts/ngMap.js"></script>

Step-11: Run Application. ASP.NET MVC 6 Hosting is European Windows Hosting Provider which focuses on Windows Platform only. We deliver on-demand hosting solutions including Shared hosting, Reseller Hosting, Cloud Hosting, Dedicated Servers, and IT as a Service for companies of all sizes. We have customers from around the globe, spread across every continent. We serve the hosting needs of the business and professional, government and nonprofit, entertainment and personal use market segments.


ASP.NET MVC 6 Hosting - :: TempData in ASP.NET MVC 6

clock May 25, 2016 19:18 by author Anthony

In this Article, we will discuss about TempData. TempData in ASP.NET MVC can be used to store temporary data which can be used in the subsequent request. TempData will be cleared out after the completion of a subsequent request.

TempData is useful when you want to transfer non-sensitive data from one action method to another action method of the same or a different controller as well as redirects. It is dictionary type which is derived from TempDataDictionary.

You can add a key-value pair in TempData as shown in the below example.

TempData allows you to store data & it will remain after redirects. It uses the Session to store data. When an object in a TempDataDictionary. It will be marked for deletion at the end of that request.

TempData declared as

TempData["value"] = "data";


public ActionResult FirstAction()

    // store something into the tempdata that will be available during a single redirect
    TempData["FirstAction"] = "SecondAction";
    // you should always redirect if you store something into TempData to
    // a controller action that will consume this data
    return RedirectToAction("SecondAction");
public ActionResult SecondAction()
{    var data = TempData["FirstAction"];
   return View();

The Peek and Keep methods allow to read the value without deletion. we can say that first request data will remains in TempData. You can use Peek when you always want to retain the value for another request. Use Keep when retaining the value depends on additional logic.

//second request, Peek value is not deleted at the end of the request
object value = TempData.Peek("value");

//third request, read value and delete
object value = TempData["value"];



//second request, get value going for delete
object value = TempData.["value"];

//later  decide to keep it for next request

//third request, read value and mark it for deletion
object value = TempData["value"];

Removing TempData

TempData.Clear() : It is use to remove all keys from the TempDataDictionary TempData.Remove(key) :Remove a specific key from TempDataDictionary.

Note: Since TempData makes use of the Session State behavior, it must be enabled on the controller using TempData. By default it is always enabled, You can disable session state for your controllers by adding [SessionState(SessionStateBehavior.Disabled)] attribute . ASP.NET MVC 6 Hosting is European Windows Hosting Provider which focuses on Windows Platform only. We deliver on-demand hosting solutions including Shared hosting, Reseller Hosting, Cloud Hosting, Dedicated Servers, and IT as a Service for companies of all sizes. We have customers from around the globe, spread across every continent. We serve the hosting needs of the business and professional, government and nonprofit, entertainment and personal use market segments.

ASP.NET MVC 5 Hosting - :: AngularJS Login Page in ASP.NET MVC 5

clock May 17, 2016 23:45 by author Anthony

In this tutorial i am going to explain about how to create a login page using Angular js in MVC 5 application. In this tutorial i used Simple form validation using angular(we will discuss about angular validation in detail in future post).And also a $http angular built in service.

$http: It is a angular JS built in service for communicating with remote servers.In Angular all communications (Request and response) between server and client are handled by services like $http.

Step 1: Create a Data table in Database

1.Here i used Local Database for Table creation (Sql Express).
2.Right click server explorer --> expand Database --> Right click on tables --> Click Add new table.
3.Create a table with  following columns if you want you can add more columns.
4.Here i created following table.

Step 2: Add ADO.NET Entity Data Model

1.Right click on Models --> Add --> New Item -->Select ADO.NET Entity Data Model(Under Data) --> name it -->Add --> select Add from Database (In Entity Data Model wizard) --> Next
2.Select Database --> give name for web.config.
3.Choose your Database objects(tables) and click finish.

Step 3: Add a Model Class to Solution

1.Right click Models --> Add --> Class and name it (I named it as UserModel.cs).
2.These Model objects are useful while we sending data from View to Controller.
3.We bind this Model properties with angular ngModel.(you will see in index.cshtml).
4.replace code with following code

namespace LoginUsingAngular.Models
    public class UserModel
        public string Email { get; set; }
        public string Password { get; set; }

Step 4: Add New Action Method in HomeController to Check User Data

1.This Action Method gets data from database based on user entered data in form.and returns that data in Json format to angular Controller.
2.Add code in HomeController

public ActionResult getLoginData(UserModel obj)
            DatabaseEntities db = new DatabaseEntities();
            var user = db.Users.Where(x => x.Email.Equals(obj.Email) && x.Password.Equals(obj.Password)).FirstOrDefault();
            return new JsonResult {Data=user,JsonRequestBehavior=JsonRequestBehavior.AllowGet };

Step 5: Add angular controller for checking Login Form

1.Create angular module in  Module.js file.
(function () {
    var myApp = angular.module("myApp",[]);

2.Now add another script file for angular controller and Factory method.
3.Right click on Scripts folder --> add LoginController.js
4.Replace code in LoginController.js file.

angular.module('myApp').controller('LoginController', function ($scope, LoginService) {
        //initilize user data object
        $scope.LoginData = {
            Email: '',
        $scope.msg = "";
        $scope.Submited = false;
        $scope.IsLoggedIn = false;
        $scope.IsFormValid = false;
        //Check whether the form is valid or not using $watch
        $scope.$watch("myForm.$valid", function (TrueOrFalse) {
            $scope.IsFormValid = TrueOrFalse;   //returns true if form valid
        $scope.LoginForm = function () {
            $scope.Submited = true;
            if ($scope.IsFormValid) {
                LoginService.getUserDetails($scope.UserModel).then(function (d) {
                    if ( != null) {
                        $scope.IsLoggedIn = true;
                        $scope.msg = "You successfully Loggedin Mr/Ms ";
                    else {
                        alert("Invalid credentials buddy! try again");
    .factory("LoginService", function ($http) {
        //initilize factory object.
        var fact = {};
        fact.getUserDetails = function (d) {
            return $http({
                url: '/Home/getLoginData',
                method: 'POST',
                headers: { 'content-type': 'application/json' }
        return fact;

4.Here,I validated form using $watch in above code.
5.I created a angular service LoginService that gets data from server controller (from HomeController.getLoginData() action).
6.LoginForm() method is initiated when user submits form using ngSubmit as angular attribute.

Step 6: Add View to display Login Form

1.Right click on Index action --> Add View --> add
2.Replace Index.cshtml view code with following code

    ViewBag.Title = "Login Using Angular";
<h2>Login Using Angular</h2>

<div ng-controller="LoginController">
    <form name="myForm" novalidate ng-submit="LoginForm()">
        <div style="color:green">{{msg}}</div>
        <table ng-show="!IsLoggedIn" class="table table-horizontal">
                <td>Email/UserName :</td>
                    <input type="email" ng-model="UserModel.Email" name="UserEmail" ng-class="Submited?'ng-dirty':''" required autofocus class="form-control"/>
                    <span style="color:red" ng-show="(myForm.UserEmail.$dirty || Submited ) && myForm.UserEmail.$error.required">Please enter Email</span>
                    <span style="color:red" ng-show="myForm.UserEmail.$">Email is not valid</span>
                <td>Password :</td>
                    <input type="password" ng-model="UserModel.Password" name="UserPassword" ng-class="Submited?'ng-dirty':''" required autofocus class="form-control"/>
                    <span style="color:red" ng-show="(myForm.UserPassword.$dirty || Submited) && myForm.UserPassword.$error.required">Password Required</span>
                    <input type="submit" value="submit" class="btn btn-success" />
@section scripts{
    <script src="~/Scripts/LoginController.js"></script>

Add script reference at the end of Index.cshtml page.
Take a look at following things i used in above Index.cshtml view.

ng-Model: ngModel is a angular is used for two way binding data from view to controller and controller to view.In above example i used it to bind from data to angular controller.

ng-show: ngShow allows to display or hide elements based on the expression provided to ngShow attribute.

ng-submit:  ng-submit prevents the default action of form and binds angular function to onsubmit events. This is invoked when form is submitted.

$dirty: It is angular built in property. It will be true if user interacted with form other wise false.This is one of the angular validation property i used in above example.There are many validation properties in angular like $invalid,$submitted,$pristine,$valid and $error.We will learn about all these these properties in later tutorials.


ASP.NET MVC 6 Hosting - :: How to Make ASP.NET MVC 6 View Injection?

clock May 5, 2016 00:10 by author Anthony

ASP.NET MVC 6, a new feature called view components has been introduced. View components are similar to child actions and partials views, allowing you to create reusable components with (or without) logic. Here's the summary from the ASP.NET documentation:

View components include the same separation-of-concerns and testability benefits found between a controller and view. You can think of a view component as a mini-controller—it’s responsible for rendering a chunk rather than a whole response. You can use view components to solve any problem that you feel is too complex with a partial.

Before ASP.NET Core, you would've probably used a child action to create a reusable component that requires some code for its logic. ASP.NET MVC 6, however, doesn't have child actions anymore. You can now choose between a partial view or a view component, depending on the requirements for the feature you're implementing.

Writing A Simple View Component

Let's implement a simple dynamic navigation menu as a view component. We want to be able to display different navigation items based on some conditional logic (e.g. the user's claims or the hosting environment). Like controllers, view components must be public, non-nested, and non-abstract classes that either

  • derive from the ViewComponent class,
  • are decorated with the [ViewComponent] attribute, or
  • have a name that ends with the "ViewComponent" suffix.

We'll choose the base class approach because ViewComponent provides a bunch of helper methods that we'll be calling to return and render a chunk of HTML.

ASP.NET MVC 6 Dependency Injection using a simple container that is bundled with ASP.NET MVC 6. This is great for injecting dependencies into controllers, filters, etc. In this tutorial I mention the new inject keyword that can be added to razor views for injecting dependencies into views.

Registering Service

First, we have to register the service with the IoC container built into ASP.NET MVC 6.

public void ConfigureServices(IServiceCollection services) {
    services.AddTransient<ITestService, TestService>();

This is no different from the previous example: ASP.NET MVC 6 Dependency Injection.

Inject Keyword for Razor Views

Next we can inject the the service for use in the razor view using the new inject keyword.

@inject ITestService testService

Now the service is available to our view and can be used appropriately anywhere in the view.

@using Sample.Services
@inject ITestService testService
<p>So I looked down and said... @testService.WhatAreThose()</p>


Injecting dependencies in ASP.NET MVC 6 views using the new inject keyword can make things quite a bit easier. Now that ASP.NET MVC 6 has a basic IoC container we'll probably see more people start to use dependency injection not only in their views, but also in their controllers, filters, services, etc.

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