Answer Posted / ram gopal verma

<script type="text/javascript">

function validateAndSubmit()
{
if(document.getElementById('user_id').value=='') {
alert('Please enter user id');
document.getElementById('user_id').focus();
}
else
if(document.getElementById('pass').value=='')
{
alert('Please enter password');
document.getElementById('pass').focus();
}else
{
document.form1.submit();
}
}
</script>

<form id="form1" name="form1" method="post" action="action.php" onsubmit="return validate()">

<input type="text" name="user_id" id="user_id" />
<input type="password" name="pass" id="pass" />

<a href="javascript:validateAndSubmit();">Submit Me..</a>

</form>

Tell me what is the actually used php version?

1024

---

How can we pass the variable through the navigation between the pages?

983

---

Tell me what are the correct and the most two common way to start and finish a php block of code?

965

---

How can you submit a form without a submit button?

960

---

What's the difference between __sleep and __wakeup?

1056

---

Write a query to find the 2nd highest salary of an employee from the employee table?

1032

---

What is mysql_fetch_object?

1043

---

Tell me how to retrieve a cookie value?

1018

---

What is a closure in php?

1029

---

What are the final class and final method?

1015

---

How do I start a php session?

983

---

What is abstraction php?

976

---

What is the purpose of the '.myi' file extension? What do thes file contain?

957

---

What are the different types of statements that are present in php?

1006

---

What is php sequence?

942

---