Delete Multiple Records With AngularJS Using MVC 5

Introduction

In this article, we will learn how we can delete multiple records from Grid data, by using Web API 2, AngularJS, and Entity Framework.

Prerequisites

As I said earlier, we are going to use MVC application with AngularJS. For this, you must have Visual Studio 2015 (.NET Framework 4.5.2) and SQL Server.

SQL Database part

Here, you will find the scripts to create database and table.

Create Database

USE [master]
GO
/****** Object: Database [CustomerDB] Script Date: 9/21/2016 7:42:43 AM ******/
CREATE DATABASE [CustomerDB]
CONTAINMENT = NONE
ON PRIMARY
( NAME = N'CustomerDB', FILENAME = N'c:\Program Files (x86)\Microsoft SQL Server\MSSQL11.MSSQLSERVER\MSSQL\DATA\CustomerDB.mdf' , SIZE = 3072KB , MAXSIZE = UNLIMITED, FILEGROWTH = 1024KB )
LOG ON
( NAME = N'CustomerDB_log', FILENAME = N'c:\Program Files (x86)\Microsoft SQL Server\MSSQL11.MSSQLSERVER\MSSQL\DATA\CustomerDB_log.ldf' , SIZE = 1024KB , MAXSIZE = 2048GB , FILEGROWTH = 10%)
GO
ALTER DATABASE [CustomerDB] SET COMPATIBILITY_LEVEL = 110
GO
IF (1 = FULLTEXTSERVICEPROPERTY('IsFullTextInstalled'))
begin
EXEC [CustomerDB].[dbo].[sp_fulltext_database] @action = 'enable'
end
GO
ALTER DATABASE [CustomerDB] SET ANSI_NULL_DEFAULT OFF
GO
ALTER DATABASE [CustomerDB] SET ANSI_NULLS OFF
GO
ALTER DATABASE [CustomerDB] SET ANSI_PADDING OFF
GO
ALTER DATABASE [CustomerDB] SET ANSI_WARNINGS OFF
GO
ALTER DATABASE [CustomerDB] SET ARITHABORT OFF
GO
ALTER DATABASE [CustomerDB] SET AUTO_CLOSE OFF
GO
ALTER DATABASE [CustomerDB] SET AUTO_CREATE_STATISTICS ON
GO
ALTER DATABASE [CustomerDB] SET AUTO_SHRINK OFF
GO
ALTER DATABASE [CustomerDB] SET AUTO_UPDATE_STATISTICS ON
GO
ALTER DATABASE [CustomerDB] SET CURSOR_CLOSE_ON_COMMIT OFF
GO
ALTER DATABASE [CustomerDB] SET CURSOR_DEFAULT GLOBAL
GO
ALTER DATABASE [CustomerDB] SET CONCAT_NULL_YIELDS_NULL OFF
GO
ALTER DATABASE [CustomerDB] SET NUMERIC_ROUNDABORT OFF
GO
ALTER DATABASE [CustomerDB] SET QUOTED_IDENTIFIER OFF
GO
ALTER DATABASE [CustomerDB] SET RECURSIVE_TRIGGERS OFF
GO
ALTER DATABASE [CustomerDB] SET DISABLE_BROKER
GO
ALTER DATABASE [CustomerDB] SET AUTO_UPDATE_STATISTICS_ASYNC OFF
GO
ALTER DATABASE [CustomerDB] SET DATE_CORRELATION_OPTIMIZATION OFF
GO
ALTER DATABASE [CustomerDB] SET TRUSTWORTHY OFF
GO
ALTER DATABASE [CustomerDB] SET ALLOW_SNAPSHOT_ISOLATION OFF
GO
ALTER DATABASE [CustomerDB] SET PARAMETERIZATION SIMPLE
GO
ALTER DATABASE [CustomerDB] SET READ_COMMITTED_SNAPSHOT OFF
GO
ALTER DATABASE [CustomerDB] SET HONOR_BROKER_PRIORITY OFF
GO
ALTER DATABASE [CustomerDB] SET RECOVERY SIMPLE
GO
ALTER DATABASE [CustomerDB] SET MULTI_USER
GO
ALTER DATABASE [CustomerDB] SET PAGE_VERIFY CHECKSUM
GO
ALTER DATABASE [CustomerDB] SET DB_CHAINING OFF
GO
ALTER DATABASE [CustomerDB] SET FILESTREAM( NON_TRANSACTED_ACCESS = OFF )
GO
ALTER DATABASE [CustomerDB] SET TARGET_RECOVERY_TIME = 0 SECONDS
GO
ALTER DATABASE [CustomerDB] SET READ_WRITE
GO

Create Table

USE[CustomerDB]
GO
/****** Object: Table [dbo].[Customers] Script Date: 9/21/2016 7:43:07 AM ******/
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
SET ANSI_PADDING ON
GO
CREATE TABLE[dbo].[Customers](
[CustomerID][int] NOT NULL, [CustomerName][varchar](50) NULL, [CustomerEmail][varchar](50) NULL, [CustomerZipCode][int] NULL, [CustomerCountry][varchar](50) NULL, [CustomerCity][varchar](50) NULL,
CONSTRAINT[PK_Customers] PRIMARY KEY CLUSTERED(
[CustomerID] ASC
) WITH(PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON[PRIMARY]
) ON[PRIMARY]
GO
SET ANSI_PADDING OFF
GO

After creating the table, you can add some records as shown below.

table

Create your MVC application

Open Visual Studio and select File, click New Project.

The "New Project" window will pop up. Select ASP.NET Web Application (.NET Framework), name your project, and click OK.

Next, new window will pop up for selecting the template. Choose Web API and click OK.

After creating our project, we are going to add ADO.NET Entity Data Model.

Adding ADO.NET Entity Data Model

In order to add ADO.NET Entity Data Model, right click on the project name, click Add > Add New Item. New dialog box will pop up. Inside Visual C#, select Data >> ADO.NET Entity Data Model. Enter a name for your Dbcontext model as DbContextCustomer. Finally, click Add.

In this level, we are going to choose EF Designer from database, as shown below.

DbContextCustomer

In this snapshot given below, we need to choose data connection which should be used to connect to the database. If the connection doesn’t exist, I will suggest you click on New connection button for creating the new one.

After clicking on Next button, the Entity Data Model Wizard will pop up for choosing object which we want to use. In this example, we are going to choose customers table and click Finish button. Finally, we see that EDMX model generates customer class.

Create a Controller

Now, we are going to create a Controller. Right click on the Controllers folder > Add > Controller> select Web API 2 Controller – Empty > click Add.

Enter Controller name (‘CustomerController’).

create a controller

CustomerController.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Net.Http;
using System.Web.Http;
using DeleteMultipleRowsAPI;
namespace DeleteMultipleRowsAPI.Controllers {
public class CustomerController: ApiController {
//DbContext
private CustomerDBEntities context = new CustomerDBEntities();
//Get Customer List
[HttpGet]
public IEnumerable < Customer > GetAllCustomers() {
var data = context.Customers.ToList();
return data;
}
//Delete Customers
[HttpPost]
public HttpResponseMessage DeleteCustomers(int[] itemsSelected) {
try {
if (itemsSelected == null) {
return Request.CreateResponse(HttpStatusCode.BadRequest, "Error null !");
} else {
for (int i = 0; i < itemsSelected.Length; i++) {
var customer = context.Customers.Find(itemsSelected[i]);
context.Customers.Remove(customer);
}
context.SaveChanges();
return Request.CreateResponse(HttpStatusCode.OK, "Success !");
}
} catch (Exception ex) {
return Request.CreateResponse(HttpStatusCode.BadRequest, ex);
}
}
}
}

After creating our Controller, it’s time to implement respectively two functions. GetAllCustomers() function which selects all the data from customers table, and Delete customers() function that takes an array of integer as parameter and performs the deletion of all records based on the array given as parameter.

AngularJS Part

Now, we are going to create two JS files, AppCustomer.js and CustomerController.js respectively.

For doing this, right click on AppCustomers folder > Add > JavaScript file.

AppCustomer.js

var app = angular.module('myApp', ['ngRoute']);
app.config(['$routeProvider', function($routeProvider) {
$routeProvider.when('/CustomerGrid', {
templateUrl: '/AppCustomers/Views/CustomerGrid.html',
controller: 'CustomerController'
}).otherwise({
controller: 'CustomerController'
});
}]);

CustomerController.js

app.controller('CustomerController', function($scope, $http, $window) {
$scope.CustomerList = [];
$http.get('api/Customer/GetAllCustomers').success(function(data) {
$scope.CustomerList = data;
}).error(function() {
console.log('Something Wrong');
});
$scope.DeleteCustomer = function(list) {
var itemList = [];
angular.forEach(list, function(value, key) {
if (list[key].selected) {
itemList.push(list[key].selected);
}
});
//console.log(itemList.length);
$http.post("api/Customer/DeleteCustomers", itemList).success(function(data) {
$window.alert(data);
}).error(function(msg) {
console.log(msg);
});
}
});

Create html page

Now, we are going to add HTML file. For this right click on Views folder > Add > HTML Page.

CustomerGrid.html

<a href="" class="btn btn-primary" ng-click="DeleteCustomer(CustomerList)">Delete Multiple Rows selected</a>
<br /><br />
<div class="table-responsive">
<table id="mytable" class="table table-bordred table-striped">
<thead>
<th></th>
<th>Customer ID</th>
<th>Customer Name</th>
<th>Customer Email</th>
<th>Customer ZipCode</th>
<th>Customer Country</th>
<th>Customer City</th>
</thead>
<tbody>
<tr ng-repeat="item in CustomerList">
<td><input type="checkbox" id="check1" ng-true-value="{{item.CustomerID}}" ng-false-value="''" ng-model="item.selected" /></td>
<td>{{item.CustomerID}}</td>
<td>{{item.CustomerName}}</td>
<td>{{item.CustomerEmail}}</td>
<td>{{item.CustomerZipCode}}</td>
<td>{{item.CustomerCountry}}</td>
<td>{{item.CustomerCity}}</td>
</tr>
</tbody>
</table>
</div>

Note - Don’t forget to call the following libraries inside Layout.cshtml.

<
script src = "https://ajax.googleapis.com/ajax/libs/angularjs/1.4.7/angular.min.js" > < /script> <
script src = "https://code.angularjs.org/1.4.7/angular-route.js" > < /script>
<
script src = "~/AppCustomers/AppCustomer.js" > < /script>
<
script src = "~/AppCustomers/CustomerController.js" > < /script>

Output

Output

4 Comments

Join the conversation! Your thoughts help the community grow.

Md Ghouse10y ago
Nice Article bro i really says Thank u sooo much
El Mahdi Archane10y ago
If you have any questions don't hesitate
El Mahdi Archane10y ago
This is the default link for demo http://localhost:60050/#/CustomerGrid.To call route in angularjs you need to proceed as follow #/{route name}.
Vaibhav Deshmukh10y ago
Hi EL MAHDI ARCHANE,Thanks for sharing this article but i am stuck at the last step how to call in browser to display CustomerGrid.html page as i am new to MVC and Angular JS as per my knowledge we have to give Call like localhost:(Port number)/Controller/Action plz help me out