Warning: session_start(): Cannot send session cookie - headers already sent by
i want to use session in my prog and this error comes every times due 2 which i cann't use session which is vry important for me.
but whn i run the same prog in my computer i.e. localhost it run correctly but when i load that file in the server than this error comes.
so pls help me to avoid this session error
my boss fire on me
pls pls help me
here is the my prog ----------------
[php]<? ob_start();
session_start();?>
<?php
include"db_config.php";
$connect = mysql_connect("$db_host", "$db_user", "$db_password");
mysql_select_db("$db_name", $connect) or die(mysql_error());
?>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<!-- saved from url=(0046)http://acmserver.cs.ucr.edu/~nkumar/vision.htm -->
<HTML>
<HEAD><TITLE>Bankon Us</TITLE>
<body topmargin="0" leftmargin="0">
<tr>
<TD align=center>
<table cellpadding="0" cellspacing="0" border=0 width="100%">
<tr><td height="25"> </td></tr>
<tr>
<td width="50%" align="right">
<?php
$_SESSION['admfname']= $_POST['fname'];
$_SESSION['admlname']= $_POST['lname'];
$_SESSION['admpassword']=$_POST['password'];
if (($_SESSION['admfname'] == "peter") and ($_SESSION['admlname'] == "gewant") and ($_SESSION['admpassword'] == "approvalagent"))
{
echo "<meta http-equiv='Refresh' content='0; url=admin_page.php'>";
exit;
}
$f_name= $_POST['fname'];
$l_name= $_POST['lname'];
$pass= $_POST['password'];
if($_POST['submit'] != "Login")
{
?>
<table border="0" cellpadding="5" cellspacing="3" width="80%" class="form-noindent">
<tr><td bgColor="#ff9900">
<form method="post" action="<?php $_SERVER['PHP_SELF']?>">
<input type="hidden" name="agent" value="access">
<table border="0" width="100%">
<tr>
<td colspan="3" align="center" class="heading">Sign in with your<br> Account</td>
</tr>
<tr><td> </td></tr>
<tr>
<td> </td>
<td class="textform">First Name :</td>
<td class="forms" valign="top">
<input name="fname" class="cartForm" size=20 type="text"></td>
</tr>
<tr>
<td> </td>
<td class="textform">Last Name :</td>
<input name="lname" class="cartForm" size=10 type="hidden">
<td class="forms" valign="top">
<input name="lname" class="cartForm" size=20 type="text"></td>
</tr>
<tr>
<td> </td>
<td class="textform">Password :</td>
<td class="forms" valign="top">
<input class="cartForm" name="password" size=20 type="password"></td>
</tr>
<tr>
<td valign="top" colspan="3" align="center">
<input type="submit" name="submit" value="Login" class="cartForm" >
</td>
</tr>
<tr><td colspan="3"> </td></tr>
<tr>
<td colspan="2" align="center"><div class="leo"><a href="forget.php">Forget Password</a></div></td>
<td align="center"><div class="leo"><a href="order.php">New user click here</a></div></td>
</tr>
</table>
</form>
</td></tr>
</table>
</td>
<td width="50%" align="center"><img src="images/online.jpg"></td>
</tr>
</table>
<br><br>
<?php }
elseif($f_name== "" or $l_name== "" or $pass== "")
{
?>
<table border="0" cellpadding="5" cellspacing="3" width="80%" class="form-noindent">
<tr><td bgcolor="#00CC99">
<form method="post" action="<?php $_SERVER['PHP_SELF'] ?>">
<input type="hidden" name="agent" value="access">
<table border="0" width="100%">
<tr>
<td colspan="3" align="center" class="heading">Sign in with your Account</td>
</tr>
<tr><td> </td></tr>
<tr><td colspan="3" align="center" class="heading">Please fill all the fields</td></tr>
<tr><td> </td></tr>
<tr>
<td> </td>
<td class="textform">First Name :</td>
<td class="forms" valign="top">
<input name="fname" class="cartForm" size=20 type="text"></td>
</tr>
<tr>
<td> </td>
<td class="textform">Last Name :</td>
<input name="lname" class="cartForm" size=10 type="hidden">
<td class="forms" valign="top">
<input name="lname" class="cartForm" size=20 type="text"></td>
</tr>
<tr>
<td> </td>
<td class="textform">Password :</td>
<td class="forms" valign="top">
<input class="cartForm" name="password" size=20 type="password"></td>
</tr>
<tr>
<td valign="top" colspan="3" align="center">
<input type="submit" name="submit" value="Login" class="cartForm" >
</td>
</tr>
<tr><td colspan="3"> </td></tr>
<tr>
<td colspan="2" align="center"><div class="leo"><a href="forget.php">Forget Password</a></div></td>
<td align="center"><div class="leo"><a href="order.php">New user click here</a></div></td>
</tr>
</table>
</form>
</td></tr>
</table>
</td>
<td width="50%" align="center"><img src="images/login1.jpg" width="300" height="200"></td>
</tr>
</table>
<?php
}
else {
$query = "SELECT * from helpagent WHERE first='$f_name' and last='$l_name' and password='$pass' ";
$result = mysql_query($query);
for ($i = 0; $i < mysql_num_rows($result); $i++)
{
$id = mysql_result($result, $i, "agentid");
$fname = mysql_result($result, $i, "first");
$lname = mysql_result($result, $i, "last");
$pas = mysql_result($result, $i, "password");
if (("$f_name" == "$fname") and ("$l_name" == "$lname") and ("$pass" == "$pas"))
{
$_SESSION['sfname'] = $f_name;
$_SESSION['slname'] = $l_name;
$_SESSION['sid'] = $id;
echo "<meta http-equiv='Refresh' content='0; url=user_page.php'>";
exit;
}//if loop
}//for loop
echo "<meta http-equiv='Refresh' content='0; url=new_user.php'>";
exit;
}
?>
<tr><td> </td></tr>
<tr><td> </td></tr>
<tr>
<td>
<table border="0" width="100%">
<tr><td align="center" class="copy">Copyright © 2006 www.bankon.us All Rights Reserved</td></tr>
</table>
</td>
</tr>
</td>
</tr>
</table>
</BODY>
</HTML>[/php]
Offline 
Unsolved 
