Export HTML Table to CSV file using AngularJS in ASP.Net

Last Reply one month ago By dharmendr

Posted one month ago

How to export HTML Table to CSV using angularjs in ASP.net

You are viewing reply posted by: dharmendr one month ago.
Posted one month 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

<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title></title>
    <script type="text/javascript" src="https://ajax.googleapis.com/ajax/libs/angularjs/1.6.9/angular.min.js"></script>
    <script type="text/javascript">
        var app = angular.module('MyApp', []);
        app.controller('MyController', function ($scope, $http) {
            $http.post("Default.aspx/GetEmployees", { headers: { 'Content-Type': 'application/json'} })
            .then(function (response) {
                $scope.Employees = eval(response.data.d);
            }, function error(response) {
                alert(response.responseText);
            });

            $scope.Export = function () {
                var rows = document.getElementById("tblEmployees").rows;
                var data = "";
                for (var row = 0; row < rows.length; row++) {
                    for (var column = 0; column < rows[row].cells.length; column++) {
                        data += rows[row].cells[column].innerHTML.trim() + ",";
                    }
                    data += "\n";
                }
                if (navigator.msSaveBlob) {
                    navigator.msSaveBlob(new Blob([data], { type: 'text/csv;charset=utf-8;' }), "Employee.csv");
                } else {
                    var a = document.createElement("a");
                    a.href = 'data:attachment/csv;charset=utf-8,' + encodeURI(data);
                    a.target = '_blank';
                    a.download = 'sample.csv';
                    document.body.appendChild(a);
                    a.click();
                }
            }
        });
    </script>
</head>
<body>
    <form id="form1" runat="server">
    <div ng-app="MyApp" ng-controller="MyController">
        <table id="tblEmployees">
            <thead>
                <tr>
                    <th>Id</th>
                    <th>Name</th>
                    <th>City</th>
                    <th>Country</th>
                </tr>
            </thead>
            <tbody>
                <tr ng-repeat="employee in Employees">
                    <td>{{employee.Id}}</td>
                    <td>{{employee.Name}}</td>
                    <td>{{employee.City}}</td>
                    <td>{{employee.Country}}</td>
                </tr>
            </tbody>
        </table>
        <br />
        <input type="button" value="Export" ng-click="Export()" />
    </div>
    </form>
</body>
</html>

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 EmployeeID,FirstName,LastName,City,Country 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
                    {
                        Id = sdr["EmployeeID"],
                        Name = sdr["FirstName"] + " " + 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 EmployeeID,FirstName,LastName,City,Country 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 { _
                    .Id = sdr("EmployeeID"),
                    .Name = sdr("FirstName") & " " & sdr("LastName"),
                    .City = sdr("City"),
                    .Country = sdr("Country")
                })
                End While
            End Using
            conn.Close()
        End Using

        Return (New JavaScriptSerializer().Serialize(employees))
    End Using
End Function

Screenshot