MVC Angular CRUD Operation Using WEB API 2 With Stored Procedure

Introduction

In this article, I am going to explain how to do CRUD operations in ASP.NET MVC AngularJS using WEB API 2 with Stored Procedure.

So, you should follow these steps to create a web application.

Step 1

Create a new database table. You can follow this query.

CREATE TABLE [dbo].[Employee] (  
    [Id]      INT           IDENTITY (1, 1) NOT NULL,  
    [Name]    NVARCHAR (50) NOT NULL,  
    [Address] NVARCHAR (50) NOT NULL,  
    [Country] NVARCHAR (50) NOT NULL,  
    [City]    NVARCHAR (50) NOT NULL,  
    [Mobile]  NVARCHAR (10) NOT NULL,  
    PRIMARY KEY CLUSTERED ([Id] ASC)  
);

Step 2

Create a stored procedure.

CREATE PROCEDURE sp_InsUpdDelEmployee  
    @id INT ,  
    @name NVARCHAR(50) ,  
    @address NVARCHAR(50) ,  
    @country NVARCHAR(50) ,  
    @city NVARCHAR(50) ,  
    @mobile NVARCHAR(50) ,  
    @type VARCHAR(10)  
AS   
    BEGIN  
        IF ( @type = 'Ins' )   
            BEGIN  
                INSERT  INTO Employee  
                VALUES  ( @name, @address, @country, @city, @mobile )  
            END  
        IF ( @type = 'Upd' )   
            BEGIN  
                UPDATE  Employee  
                SET     Name = @name ,  
                        [Address] = @address ,  
                        Country = @country ,  
                        City = @city ,  
                        Mobile = @mobile  
                WHERE   Id = @id  
            END  
        IF ( @type = 'Del' )   
            BEGIN  
                DELETE  FROM Employee  
                WHERE   Id = @id  
            END   
        IF ( @type = 'GetById' )   
            BEGIN  
                SELECT  *  
                FROM    Employee  
                WHERE   Id = @id  
            END  
        SELECT  *  
        FROM    Employee  
    END

Step 3

Open Visual Studio and click File > New > Project.

Open Visual Studio and Create New Project

Step 4

Click on Web from the left-side panel and select ASP.NET MVC4 Web Application, give name, and click OK.

ASP.NET MVC4 Web Application

Step 5

Select Internet Application.

Internet Application

Step 6

Right-click on Controller and click Add > Controller.

Add New Controller

Step 7

Give a name to your Controller and select Empty API Controller.

Empty API Controller

Step 8

Right-click on App_Data Folder and select Add > New Item.

New Item

Step 9

Select SQL Server database, give a name to the database, and click OK.

Select SQL Server database

Step 10

Right-click on Models and click Add > New Item.

Add New Entity Data Model

Step 11

Select ADO.NET Entity Data Model.

ADO.NET Entity Data Model

Step 12

Select Generate from Database and click Next.

Generate from Database

Step 13

Choose Database Connection and Click Next.

Database Connection

Step 14

Select Created Table and Created Stored Procedure.

Tables and Stored Procedures

Tables and Procedures

Entity Data Model

Entity Data Model

Step 15

Write Following code in Model

namespace AngularJs_With_Web_API.Models
{
    using System;
    using System.Collections.Generic;
 
    public partial class Employee
    {
        public int Id { get; set; }
        public string Name { get; set; }
        public string Address { get; set; }
        public string Country { get; set; }
        public string City { get; set; }
        public string Mobile { get; set; }
    }
}

Step 16

Now, Write the following code in BundleConfig.cs File

using System.Web;  
using System.Web.Optimization;  
  
namespace AngularJs_With_Web_API  
{  
    public class BundleConfig  
    {  
        // For more information on Bundling, visit http://go.microsoft.com/fwlink/?LinkId=254725  
        public static void RegisterBundles(BundleCollection bundles)  
        {  
            bundles.Add(new ScriptBundle("~/js").Include(  
                "~/js/angular.js",  
                "~/js/app.js"));  
  
            bundles.Add(new StyleBundle("~/css").Include(  
                "~/css/bootstrap.css"));  
        }  
    }  
}

Step 17

Now, If talking about VIEW then Write the Following code in the Index.cshtml File

@Scripts.Render("~/js")
@Styles.Render("~/css")
 
<html ng-app="myApp">
<head><title>AngularJs With WebApi and Stored Procedure</title></head>
<body>
    <div ng-controller="employeeController" class="container">        
        <div class="row">
            <div class="col-md-12">
                <h3 class="header">AngularJs With WebApi and Stored Procedure</h3>
            </div>
        </div>
        <div class="row">            
            <div class="col-md-12">
                <strong class="error">{{error}}</strong>
                <form name="addemployee" style="width: 600px; margin: 0px auto;">
                    <div class="form-group">
                        <label for="cname" class="col-sm-2 control-label">Name:</label>
                        <div class="col-sm-10 space">
                            <input type="text" class="form-control" id="cname" placeholder="please enter your name" ng-model="newemployee.Name" required />
                        </div>
                    </div>
                    <div class="form-group">
                        <label for="address" class="col-sm-2 control-label">Address:</label>
                        <div class="col-sm-10 space">                            
                            <textarea class="form-control" id="address" placeholder="please enter your address" ng-model="newemployee.Address" required></textarea>
                        </div>
                    </div>
                    <div class="form-group">
                        <label for="country" class="col-sm-2 control-label">Country:</label>
                        <div class="col-sm-10 space">
                            <input type="text" class="form-control" id="country" placeholder="please enter your country" ng-model="newemployee.Country" required />
                        </div>
                    </div>
                    <div class="form-group">
                        <label for="city" class="col-sm-2 control-label">City:</label>
                        <div class="col-sm-10 space">
                            <input type="text" class="form-control" id="city" placeholder="please enter your city" ng-model="newemployee.City" required />
                        </div>
                    </div>
                    <div class="form-group">
                        <label for="mobile" class="col-sm-2 control-label">Mobile:</label>
                        <div class="col-sm-10 space">
                            <input type="text" class="form-control" id="mobile" placeholder="please enter your mobile" ng-model="newemployee.Mobile" required />
                        </div>
                    </div>
                    <br />
                    <div class="form-group space">
                        <div class="col-sm-offset-2 col-sm-10">
                            <input type="submit" value="Add" ng-click="add()" ng-show="addShow" ng-disabled="!addemployee.$valid" class="btn btn-primary" />
                            <input type="submit" value="Update" ng-click="update()" ng-show="updateShow" ng-disabled="!addemployee.$valid" class="btn btn-primary" />
                            <input type="button" value="Cancel" ng-click="cancel()" class="btn btn-primary" />
                        </div>
                    </div>
                    <br />
                </form>
            </div>
        </div>
        <div class="row">
            <div class="col-md-12">
                <div class="table-responsive">
                    <table class="table table-bordered table-hover" style="width: 800px; margin-left: 170px;">
                        <tr>
                            <th>Name</th>
                            <th>Address</th>
                            <th>Country</th>
                            <th>City</th>
                            <th>Mobile</th>
                            <th>Actions</th>
                        </tr>
                        <tr ng-repeat="employee in employees">
                            <td>
                                <p>{{ employee.Name }}</p>
                            </td>
                            <td>
                                <p>{{ employee.Address }}</p>
                            </td>
                            <td>
                                <p>{{ employee.Country }}</p>
                            </td>
                            <td>
                                <p>{{ employee.City }}</p>
                            </td>
                            <td>
                                <p>{{ employee.Mobile }}</p>
                            </td>
                            <td>
                                <p><a ng-click="edit()" href="javascript:void(0);">Edit</a> | <a ng-click="delete()" href="javascript:void(0);">Delete</a></p>
                            </td>
                        </tr>
                    </table>
                </div>
            </div>
        </div>        
    </div>
</body>
</html>

Step 18

Now, Write the following code in App.js File.

var app = angular.module('myApp', []);
app.controller('employeeController', ['$scope', '$http', employeeController]);
 
// Angularjs Controller
function employeeController($scope, $http) {
    // Declare variable
    $scope.loading = true;
    $scope.updateShow = false;
    $scope.addShow = true;
 
    // Get All Employee
    $http.get('/api/EmployeeAPI/').success(function (data) {
        $scope.employees = data;        
    }).error(function () {
        $scope.error = "An Error has occured while loading posts!";
    });
 
    //Insert Employee
    $scope.add = function () {
        $scope.loading = true;
        $http.post('/api/EmployeeAPI/', this.newemployee).success(function (data) {
            $scope.employees = data;            
            $scope.updateShow = false;
            $scope.addShow = true;
            $scope.newemployee = '';
        }).error(function (data) {
            $scope.error = "An Error has occured while Adding employee! " + data;            
        });
    }
 
    //Edit Employee
    $scope.edit = function () {
        var Id = this.employee.Id;
        $http.get('/api/EmployeeAPI/' + Id).success(function (data) {
            $scope.newemployee = data;
            $scope.updateShow = true;
            $scope.addShow = false;
        }).error(function () {
            $scope.error = "An Error has occured while loading posts!";
        });
    }
 
    $scope.update = function () {
        $scope.loading = true;
        console.log(this.newemployee);
        $http.put('/api/EmployeeAPI/', this.newemployee).success(function (data) {
            $scope.employees = data;
            $scope.updateShow = false;
            $scope.addShow = true;
            $scope.newemployee = '';
        }).error(function (data) {
            $scope.error = "An Error has occured while Saving employee! " + data;
        });
    }
 
    //Delete Employee
    $scope.delete = function () {
        var Id = this.employee.Id;
        $scope.loading = true;
        $http.delete('/api/EmployeeAPI/' + Id).success(function (data) {
            $scope.employees = data;            
        }).error(function (data) {
            $scope.error = "An Error has occured while Saving employee! " + data;
        });
    }
 
    //Cancel Employee
    $scope.cancel = function () {
        $scope.updateShow = false;
        $scope.addShow = true;
        $scope.newemployee = '';
    }
}

Step 20

Now, Write the following code in WebApiConfig.cs File

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web.Http;
 
namespace AngularJs_With_Web_API
{
    public static class WebApiConfig
    {
        public static void Register(HttpConfiguration config)
        {
            config.Routes.MapHttpRoute(
                name: "DefaultApi",
                routeTemplate: "api/{controller}/{id}",
                defaults: new { id = RouteParameter.Optional }
            );
 
            // Uncomment the following line of code to enable query support for actions with an IQueryable or IQueryable<T> return type.
            // To avoid processing unexpected or malicious queries, use the validation settings on QueryableAttribute to validate incoming queries.
            // For more information, visit http://go.microsoft.com/fwlink/?LinkId=279712.
            //config.EnableQuerySupport();
        }
    }
}

Step 21

Now, Write the following code in API Controller

using AngularJs_With_Web_API.Models;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Net.Http;
using System.Web.Http;
using System.Data;
using System.Data.Entity.Infrastructure;
 
namespace AngularJs_With_Web_API.Controllers
{
    public class EmployeeAPIController : ApiController
    {
        // Get All The Employee
        [HttpGet]
        public List<Employee> Get()
        {
            List<Employee> emplist = new List<Employee>();
            using (dbEntities db = new dbEntities())
            {
                var results = db.sp_InsUpdDelEmployee(0, "", "", "", "", "", "Get").ToList();
                foreach (var result in results)
                {
                    var employee = new Employee()
                    {
                        Id = result.Id,
                        Name = result.Name,
                        Address = result.Address,
                        Country = result.Country,
                        City = result.City,
                        Mobile = result.Mobile
                    };
                    emplist.Add(employee);
                }
                return emplist;
            }
        }
 
        // Get Employee By Id
        public Employee Get(int id)
        {
            using (dbEntities db = new dbEntities())
            {
                Employee employee = db.Employees.Find(id);
                if (employee == null)
                {
                    throw new HttpResponseException(Request.CreateResponse(HttpStatusCode.NotFound));
                }
                return employee;
            }
        }
 
        // Insert Employee
        public HttpResponseMessage Post(Employee employee)
        {
            if (ModelState.IsValid)
            {
                using (dbEntities db = new dbEntities())
                {
                    var emplist = db.sp_InsUpdDelEmployee(0, employee.Name, employee.Address, employee.Country, employee.City, employee.Mobile, "Ins").ToList();
                    HttpResponseMessage response = Request.CreateResponse(HttpStatusCode.Created, emplist);
                    return response;
                }
            }
            else
            {
                return Request.CreateErrorResponse(HttpStatusCode.BadRequest, ModelState);
            }
        }
 
        // Update Employee
        public HttpResponseMessage Put(Employee employee)
        {
            List<sp_InsUpdDelEmployee_Result> emplist = new List<sp_InsUpdDelEmployee_Result>();
            if (!ModelState.IsValid)
            {
                return Request.CreateErrorResponse(HttpStatusCode.BadRequest, ModelState);
            }
            using (dbEntities db = new dbEntities())
            {
                try
                {
                    emplist = db.sp_InsUpdDelEmployee(employee.Id, employee.Name, employee.Address, employee.Country, employee.City, employee.Mobile, "Upd").ToList();
                }
                catch (DbUpdateConcurrencyException ex)
                {
                    return Request.CreateErrorResponse(HttpStatusCode.NotFound, ex);
                }
            }
            return Request.CreateResponse(HttpStatusCode.OK, emplist);
        }
 
        // Delete employee By Id
        public HttpResponseMessage Delete(int id)
        {
            using (dbEntities db = new dbEntities())
            {
                List<sp_InsUpdDelEmployee_Result> emplist = new List<sp_InsUpdDelEmployee_Result>();
                var results = db.sp_InsUpdDelEmployee(id, "", "", "", "", "", "GetById").ToList();
                if (results.Count == 0)
                {
                    return Request.CreateResponse(HttpStatusCode.NotFound);
                }
                try
                {
                    emplist = db.sp_InsUpdDelEmployee(id, "", "", "", "", "", "Del").ToList();
                }
                catch (DbUpdateConcurrencyException ex)
                {
                    return Request.CreateErrorResponse(HttpStatusCode.NotFound, ex);
                }
                return Request.CreateResponse(HttpStatusCode.OK, emplist);
            }
        }
 
        // Prevent Memory Leak
        protected override void Dispose(bool disposing)
        {
            using (dbEntities db = new dbEntities())
                db.Dispose();
            base.Dispose(disposing);
        }
    }
}

Summary

In this article, I clearly explained how to perform CURD operations in ASP.NET MVC with AngulerJS using Web API and also explain how to use Stored Procedure. I hope this article will help beginners.

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MVC Angular CRUD Operation Using WEB API 2 With Stored Procedure

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