Implement Table Sorting on Header click using AngularJS in ASP.Net

Last Reply one year ago By dharmendr

Posted one year ago

How to implement table sorting using header click in angularjs.

Posted one year ago Modified on one year ago

Hi rani,

Check this example. Now please take its reference and correct your code.

Database

For this example I have used of Northwind database that you can download using the link given below.

Download Northwind Database

HTML

<body>
    <script type="text/javascript" src="https://ajax.googleapis.com/ajax/libs/angularjs/1.4.3/angular.min.js"></script>
    <script type="text/javascript">
        var app = angular.module('MyApp', []);
        app.controller("MyController", function ($scope, $http, $window) {
            $http.post("Default.aspx/GetEmployees", { headers: { 'Content-Type': 'application/json'} })
                .then(function (response) {
                    $scope.Employees = eval(response.data.d);
                    // Default SortColumn.
                    $scope.SortColumn = "EmployeeId";
                    $scope.ReverseSort = false;

                    $scope.SortData = function (column) {
                        $scope.ReverseSort = ($scope.SortColumn == column) ? !$scope.ReverseSort : false;
                        $scope.SortColumn = column;
                    }

                    $scope.GetSortClass = function (column) {
                        if ($scope.SortColumn == column) {
                            return $scope.ReverseSort ? 'arrow-down' : 'arrow-up';
                        }
                        return '';
                    }
                }, function error(response) { alert(response.responseText); });
        });
    </script>
    <div ng-app="MyApp" ng-controller="MyController">
        <table class="table table-table-responsive">
            <thead>
                <tr>
                    <th ng-click="SortData('EmployeeId')" style="width: 30px">
                        Id&nbsp;<div ng-class="GetSortClass('EmployeeId')">
                    </th>
                    <th ng-click="SortData('FirstName')" style="width: 100px">
                        First Name&nbsp;<div ng-class="GetSortClass('FirstName')">
                    </th>
                    <th ng-click="SortData('LastName')" style="width: 100px">
                        Last Name&nbsp;<div ng-class="GetSortClass('LastName')">
                    </th>
                    <th ng-click="SortData('City')" style="width: 100px">
                        City&nbsp;<div ng-class="GetSortClass('City')">
                    </th>
                    <th ng-click="SortData('Country')" style="width: 70px">
                        Country&nbsp;<div ng-class="GetSortClass('Country')">
                    </th>
                </tr>
            </thead>
            <tbody>
                <tr ng-repeat="employee in Employees | orderBy:SortColumn:ReverseSort">
                    <td>{{ employee.EmployeeId }}</td>
                    <td>{{ employee.FirstName }}</td>
                    <td>{{ employee.LastName }}</td>
                    <td>{{ employee.City }}</td>
                    <td>{{ employee.Country }}</td>
                </tr>
            </tbody>
        </table>
    </div>
</body>

CSS

<style type="text/css">        
    /*Displays UP arrow*/
    .arrow-up
    {
        width: 0;
        height: 0;
        border-left: 5px solid transparent;
        border-right: 5px solid transparent;
        border-bottom: 10px solid red;
        display: inline-block;
    }
        
    /*Displays DOWN arrow*/
    .arrow-down
    {
        width: 0;
        height: 0;
        border-left: 5px solid transparent;
        border-right: 5px solid transparent;
        border-top: 10px solid red;
        display: inline-block;
    }
</style>

Namespaces

C#

using System.Collections.Generic;
using System.Configuration;
using System.Data.SqlClient;
using System.Web.Script.Serialization;
using System.Web.Services;

VB.Net

Imports System.Collections.Generic
Imports System.Configuration
Imports System.Data.SqlClient
Imports System.Web.Script.Serialization
Imports System.Web.Services

Code

C#

[WebMethod]
public static string GetEmployees()
{
    List<object> employees = new List<object>();
    string sql = "SELECT * FROM Employees";
    using (SqlConnection conn = new SqlConnection())
    {
        conn.ConnectionString = ConfigurationManager.ConnectionStrings["constr"].ConnectionString;
        using (SqlCommand cmd = new SqlCommand(sql))
        {
            cmd.Connection = conn;
            conn.Open();
            using (SqlDataReader sdr = cmd.ExecuteReader())
            {
                while (sdr.Read())
                {
                    employees.Add(new
                    {
                        EmployeeId = sdr["EmployeeID"],
                        FirstName = sdr["FirstName"],
                        LastName = sdr["LastName"],
                        City = sdr["City"],
                        Country = sdr["Country"]
                    });
                }
            }
            conn.Close();
        }
    }
 
    return (new JavaScriptSerializer().Serialize(employees));
}

VB.Net

<WebMethod()>
Public Shared Function GetEmployees() As String
    Dim employees As List(Of Object) = New List(Of Object)()
    Dim sql As String = "SELECT * FROM Employees"
    Using conn As SqlConnection = New SqlConnection()
        conn.ConnectionString = ConfigurationManager.ConnectionStrings("constr").ConnectionString
        Using cmd As SqlCommand = New SqlCommand(sql)            
            cmd.Connection = conn
            conn.Open()
            Using sdr As SqlDataReader = cmd.ExecuteReader()
                While sdr.Read()
                    employees.Add(New With {
                        .EmployeeId = sdr("EmployeeID"),
                        .FirstName = sdr("FirstName"),
                        .LastName = sdr("LastName"),
                        .City = sdr("City"),
                        .Country = sdr("Country")
                    })
                End While
            End Using
 
            conn.Close()
        End Using
    End Using
 
    Return (New JavaScriptSerializer().Serialize(employees))
End Function

Screenshot