1. Application Sketch home.htm delete.php updateform.php display.php insert.php insertform.htm update.php Data Base Hyperlink Information exchange with database Redirection Submit data via post Hyperlink with URL appended data
4. insert.php <? // script to display all the records in a table // connection information $hostName = "dbm1.itc.virginia.edu"; $userName = “user"; $password = “password"; $dbName = “dbname"; // make connection to database mysql_connect($hostName, $userName, $password) or die( "Unable to connect to host $hostName"); mysql_select_db($dbName) or die("Unable to select database $dbName"); // Insert Data into table1 $query = "INSERT INTO table1 (name, age) VALUES ('$name', '$age')"; $result = mysql_query($query); // Close the database connection mysql_close(); header("Location: home.htm"); ?>
5. display.php (part 1) <html> <head> <title>Data Display</title> </head> <body bgcolor="#FFFFFF" text="#000000"> <p><a href="home.htm">home</a></p> <p> <? // script to display all the records in a table // connection information $hostName = "dbm1.itc.virginia.edu"; $userName = “user"; $password = “password"; $dbName = “dbname"; // make connection to database mysql_connect($hostName, $userName, $password) or die( "Unable to connect to host $hostName"); mysql_select_db($dbName) or die("Unable to select database $dbName"); // Select all the fields in all the records of table1 $query = "SELECT * FROM table1 ORDER BY ID"; $result = mysql_query($query);
6. display.php (part 2) // Determine the number of employees $number = mysql_numrows($result); // Print the employee names echo("There are $number employees:<p>"); $i = 0; While ($i<$number) { $ID = mysql_result($result,$i, "ID"); $name = mysql_result($result,$i, "name"); $age = mysql_result($result,$i, "age"); echo("<a href=\"updateform.php?ID=$ID&name=$name&age=$age\">Update</a> $name $age <a href=\"delete.php?ID=$ID\">Delete</a><br>"); $i = $i + 1; } // Close the database connection mysql_close(); ?> </p> </body> </html>
8. update.php <? // script to display all the records in a table // connection information $hostName = "dbm1.itc.virginia.edu"; $userName = “user"; $password = “password"; $dbName = “dbname"; // make connection to database mysql_connect($hostName, $userName, $password) or die( "Unable to connect to host $hostName"); mysql_select_db($dbName) or die("Unable to select database $dbName"); // Select all the fields in all the records of table1 $query = "UPDATE table1 SET name = '$name', age = '$age' WHERE ID = '$ID'"; $result = mysql_query($query); // Close the database connection mysql_close(); header("Location: display.php"); ?>
9. delete.php <? // script to display all the records in a table // connection information $hostName = "dbm1.itc.virginia.edu"; $userName = “user"; $password = “password"; $dbName = “dbname"; // make connection to database mysql_connect($hostName, $userName, $password) or die( "Unable to connect to host $hostName"); mysql_select_db($dbName) or die("Unable to select database $dbName"); // Select all the fields in all the records of table1 $query = "DELETE FROM table1 WHERE ID = '$ID'"; $result = mysql_query($query); // Close the database connection mysql_close(); header("Location: display.php"); ?>
