Using AngularJS with ASP.NET & SQL

2024-01-17

This article shows implementing AngularJS in ASP.NET and inserting data to SQL Server.

Source: http://dotnetlearners.com/tutorial/angularjs/48/angularjs-ajax-http-asp-net-with-sql-example

ASPX Design Page:

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %>
 
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title></title>
    <style>
        table, th, td
        {
            border: 1px solid grey;
            border-collapse: collapse;
            padding: 5px;
        }
        table th
        {
            background-color: #274257;
            color: #fff;
        }
        table tr:nth-child(odd)
        {
            background-color: #f1f1f1;
        }
        table tr:nth-child(even)
        {
            background-color: #ffffff;
        }
    </style>
    <script src="http://ajax.googleapis.com/ajax/libs/angularjs/1.3.14/angular.min.js"></script>
</head>
<body>
    <form id="form1" runat="server">
    <div ng-app="myApp" ng-controller="myCntrl">
        <table>
            <tr>
                <td>
                    Student Name :
                </td>
                <td>
                    <input type="text" id="txtStudentName" ng-model="studetnName" />
                </td>
            </tr>
            <tr>
                <td colspan="2" align="center">
                    <input type="button" value="Save" ng-click="Save()" />
                </td>
            </tr>
        </table>
        <br />
        <br />
        <table>
            <thead>
                <tr>
                    <th>
                        StudentID
                    </th>
                    <th>
                        StudentName
                    </th>
                    <th>
                    </th>
                </tr>
            </thead>
            <tr ng-repeat="student in StudentList | orderBy : studentorder ">
                <td ng-bind="student.StudentID">
                </td>
                <td ng-bind="student.StudentName">
                </td>
                <td>
                    <a href="#" ng-click="Delete(student.StudentID)">Delete</a>
                </td>
            </tr>
        </table>
    </div>
    </form>
</body>
</html>

AngularJS Code

<script>
    var app = angular.module("myApp", []);
    app.controller("myCntrl", function ($scope, $http) {
        $scope.studentorder = "StudetnID";
        $scope.studetnName = "";
        $scope.Save = function () {
            var httpreq = {
                method: 'POST',
                url: 'Default.aspx/Save',
                headers: {
                    'Content-Type': 'application/json; charset=utf-8',
                    'dataType': 'json'
                },
                data: { StudentName: $scope.studetnName }
            }
            $http(httpreq).success(function (response) {
                $scope.fillList();
                alert("Saved successfully.");
            })
        };
        $scope.Delete = function (SID) {
            if (confirm("Are you sure want to delete?")) {
                var httpreq = {
                    method: 'POST',
                    url: 'Default.aspx/Delete',
                    headers: {
                        'Content-Type': 'application/json; charset=utf-8',
                        'dataType': 'json'
                    },
                    data: { StudentID: SID }
                }
                $http(httpreq).success(function (response) {
                    $scope.fillList();
                    alert("Deleted successfully.");
                })
            }
        };
        $scope.fillList = function () {
            $scope.studetnName = "";
            var httpreq = {
                method: 'POST',
                url: 'Default.aspx/GetList',
                headers: {
                    'Content-Type': 'application/json; charset=utf-8',
                    'dataType': 'json'
                },
                data: {}
            }
            $http(httpreq).success(function (response) {
                $scope.StudentList = response.d;
            })
        };
        $scope.fillList();
    });
</script>

CS Page Code

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.Script.Serialization;
using System.Data.SqlClient;
using System.Data;
 
public partial class _Default : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
 
    }
 
    [System.Web.Services.WebMethod()]
    public static void Save(string StudentName)
    {
        using (SqlConnection con = new SqlConnection(@"data source=localhost\sqlexpress;user id=; database=Sample;"))
        {
            using (SqlCommand cmd = new SqlCommand())
            {
                cmd.Connection = con;
                cmd.CommandText = "insert into tblStudents (StudentName) values (@StudentName);";
                cmd.Parameters.AddWithValue("@StudentName", StudentName);
                con.Open();
                cmd.ExecuteNonQuery();
                con.Close();
            }
        }
    }
 
    [System.Web.Services.WebMethod()]
    public static void Delete(int StudentID)
    {
        using (SqlConnection con = new SqlConnection(@"data source=localhost\sqlexpress;user id=sa; password=; database=Sample;"))
        {
            using (SqlCommand cmd = new SqlCommand())
            {
                cmd.Connection = con;
                cmd.CommandText = "update tblStudents set IsActive=0 where StudentID=@StudentID;";
                cmd.Parameters.AddWithValue("@StudentID", StudentID);
                con.Open();
                cmd.ExecuteNonQuery();
                con.Close();
            }
        }
    }
 
    [System.Web.Services.WebMethod()]
    public static List<Names> GetList()
    {
        List<Names> names = new List<Names>();
        DataSet ds = new DataSet();
        using (SqlConnection con = new SqlConnection(@"data source=localhost\sqlexpress;user id=sa; password=; database=Sample;"))
        {
            using (SqlCommand cmd = new SqlCommand())
            {
                cmd.Connection = con;
                cmd.CommandText = "select StudentID,StudentName from tblStudents where IsActive=1;";
                using (SqlDataAdapter da = new SqlDataAdapter(cmd))
                {
                    da.Fill(ds);
                }
            }
        }
        if (ds != null && ds.Tables.Count > 0)
        {
            foreach (DataRow dr in ds.Tables[0].Rows)
                names.Add(new Names(int.Parse(dr["StudentID"].ToString()), dr["StudentName"].ToString()));
        }
        return names;
    }
 
}
 
public class Names
{
    public int StudentID;
    public string StudentName;
    public Names(int _StudentID, string _StudentName)
    {
        StudentID = _StudentID;
        StudentName = _StudentName;        
    }
}

Resource URL : http://dotnetlearners.com/tutorial/angularjs/48/angularjs-ajax-http-asp-net-with-sql-example

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Using AngularJS with ASP.NET & SQL

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