SCCI'15 - Devology - Session 9 - a quick revision on designing and developing

A quick Revision

Changing HTML Elements using JS

<body><p id=“SCCI">Seek the peak</p></body>

Before

<body><p id=“SCCI">Seek the peak</p><script>document.getElementById(“SCCI").innerHTML = “Be your own hero";</script></body>

Changing HTML Elements using JS

After

Pop up codefunction div_show() {document.getElementById(‘id').style.display = "block";}function div_hide(){document.getElementById(‘id').style.display = "none";}

Validation in JSfunction check_empty() {if (document.getElementById('name').value == "" || document.getElementById('email').value == "" || document.getElementById('msg').value == "") {alert("Fill All Fields !");} else {document.getElementById('form').submit();alert("Form Submitted Successfully...");}}

Validation in JS

Validation in JS

How to connect to a DATABASE?

<?php $conn = mysqli_connect("localhost", "root", "", "devology");if (!$conn) { die("Connection failed: " . mysqli_connect_error());}?>

UPDATE

DELETE

INSERT

SELECT

SQL

SELECT * FROM Table_name;

SELECT column1,2,3 FROM Table_name

SELECT

<?php$sql = "SELECT id, user_name, email FROM teams";$result = mysqli_query($conn, $sql);?>

SELECT

INSERT INTO Tabel_name(Column1,2,3) VALUES(‘value1’,’2’,’3’);

INSERTSELECT

<?php$sql = "INSERT INTO teams(user_name, password, email, phone_number)VALUES (‘AssemSalem', 'Devology', ‘[email protected]‘, ‘01116877970')";$result = mysqli_query($conn, $sql);?>

INSERTSELECT

UPDATE Tabel_name SET column1=‘value1’, column2=‘value2’WHERE column3=‘value3’;

INSERTSELECT UPDATE

<?php$sql = "UPDATE teams SET user_name=‘MahmoudBahaa' WHERE password= 'Devology' ";$result = mysqli_query($conn, $sql);?>

INSERTSELECT UPDATE

INSERTSELECT UPDATE DELETE

DELETE FROM Tabel_name WHERE some_column=‘some_column’;

<?php$sql = "DELETE FROM teams WHERE user_name= ‘AssemSalem' ";$result = mysqli_query($conn, $sql);?>

INSERTSELECT UPDATE DELETE

Any Questions?

Thank you!

Education

SCCI'15 - Devology - Session 9 - a quick revision on designing and developing