/// <reference path="Scripts/jquery-3.4.0.min.js" />
/// <reference path="Scripts/knockout-3.5.0.js" />
function Student(data) {
this.StudentId = ko.observable(data.StudentId);
this.FirstName = ko.observable(data.FirstName);
this.LastName = ko.observable(data.LastName);
this.Age = ko.observable(data.Age);
this.Gender = ko.observable(data.Gender);
this.Batch = ko.observable(data.Batch);
this.Address = ko.observable(data.Address);
this.Class = ko.observable(data.Class);
this.School = ko.observable(data.School);
this.Domicile = ko.observable(data.Domicile);
}
function StudentViewModel() {
var self = this;
self.Domiciles = ko.observableArray(['Delhi', 'Outside Delhi']);
self.Genders = ko.observableArray(['Male', 'Female']);
self.Students = ko.observableArray([]);
self.StudentId = ko.observable();
self.FirstName = ko.observable();
self.LastName = ko.observable();
self.Age = ko.observable();
self.Batch = ko.observable();
self.Address = ko.observable();
self.Class = ko.observable();
self.School = ko.observable();
self.Domicile = ko.observable();
self.Gender = ko.observable();
self.AddStudent = function () {
self.Students.push(new Student({
StudentId: self.StudentId(),
FirstName: self.FirstName(),
LastName: self.LastName(),
Domicile: self.Domicile(),
Age: self.Age(),
Batch: self.Batch(),
Address: self.Address(),
Class: self.Class(),
School: self.School(),
Gender: self.Gender()
}));
self.StudentId(""),
self.FirstName(""),
self.LastName(""),
self.Domicile(""),
self.Age(""),
self.Batch(""),
self.Address(""),
self.Class(""),
self.School(""),
self.Gender("")
};
self.DeleteStudent = function (student) {
$.ajax({
type: "POST",
url: 'LearnKO.aspx/DeleteStudent',
data: ko.toJSON({ data: student }),
contentType: "application/json; charset=utf-8",
success: function (result) {
alert(result.d);
self.Students.remove(student)
},
error: function (err) {
alert(err.status + " - " + err.statusText);
}
});
};
self.SaveStudent = function () {
$.ajax({
type: "POST",
url: 'LearnKO.aspx/SaveStudent',
data: ko.toJSON({ data: self.Students }),
contentType: "application/json; charset=utf-8",
success: function (result) {
alert(result.d);
},
error: function (err) {
alert(err.status + " - " + err.statusText);
}
});
};
self.UpdateStudent = function (student) {
$.ajax({
type: "POST",
url: 'LearnKO.aspx/UpdateStudent',
data: ko.toJSON({ data: student }),
contentType: "application/json; charset=utf-8",
success: function(response) {
$(".errMsg ul").remove();
var myObject = eval('(' + response.d + ')');
if (myObject > 0) {
bindData();
$(".errMsg").append("<ul><li>Data updated
successfully</li></ul>");
}
else {
$(".errMsg").append("<ul><li>Opppps something
went wrong.</li></ul>");
}
$(".errMsg").show("slow");
clear();
},
error: function (response) {
alert(response.status + ' ' + response.statusText);
}
});
};
$.ajax({
type: "POST",
url: 'LearnKO.aspx/FetchStudents',
contentType: "application/json; charset=utf-8",
dataType: "json",
success: function (results) {
var students = $.map(results.d, function (item) {
return new Student(item)
});
self.Students(students);
},
error: function (err) {
alert(err.status + " - " + err.statusText);
}
});
}
$(document).ready(function () {
ko.applyBindings(new StudentViewModel());
});