I am new to PHP

Hi. This is the qmail-send program at pb1.pair.com.I'm afraid I wasn't able to deliver your message to the following addresses.This is a permanent error; I've given up. Sorry it didn't work out.<ezmlm-php-db-digest@pair1.php.net>:ezmlm-manage: fatal: I don't accept messages at this address (inlocal and/or inhost don't match) (#5.1.1)Hi, I have a problem with the second file. I am not able to update the data from the php program. Any help on that would be appreciated. Any modification which would be reduce the code like directly using the Update command would be appreciated.thanks in advance.Here are the 3 files.////////////////////File1---------------<html><head><title>Book Update Form</title></head><body><?$db="project";$link = mysql_connect("localhost","name","passwd");if (! $link)die("Couldn't connect to MySQL");mysql_select_db($db , $link)or die("Couldn't open $db: ".mysql_error());$result = mysql_query( "SELECT * FROM books" )or die("SELECT Error: ".mysql_error());$num_rows = mysql_num_rows($result);print "There are $num_rows records.<P>";print "<table width=800 border=1>\n";while ($get_info = mysql_fetch_row($result)){ print "<tr>\n";foreach ($get_info as $field) print "\t<td><font face=arial size=2/>$field</font></td>\n";print "</tr>\n";}print "</table>\n";mysql_close($link);//<form method="POST" action="book_change_form.php">?><br><form method="POST" action="book_change_form.php"><pre>Enter ISBN Number to Edit: <input type="text" name="id" size="10"><input type="submit" value="Submit"><input type="reset"></pre></form></body></html>////////////////////File 2---------------------<html><head><title>Book change form</title></head><body><?$id=$_POST['id'];$db="project";//mysql_connect(localhost,$_POST['username'],$_POST['pass']);$link = mysql_connect("localhost","name","passwd");if (! $link)die("Couldn't connect to MySQL");mysql_select_db($db , $link)or die("Couldn't open $db: ".mysql_error());$query=" SELECT * FROM books WHERE id='$id'";$result=mysql_query($query);$num=mysql_num_rows($result);//echo $num;$i=0;while ($i < $num){ $isbn=mysql_result($result,$i,"isbn");$title=mysql_result($result,$i,"title");$author=mysql_result($result,$i,"author");$edition=mysql_result($result,$i,"edition");$course_id=mysql_result($result,$i,"course");$quantity=mysql_result($result,$i,"quantity");$stack_no=mysql_result($result,$i,"stack_no");?><table width="300" cellpadding="10" cellspacing="0" border="2"><tr align="center" valign="top"><td align="center" colspan="1" rowspan="1" bgcolor="#64b1ff"><h3>Edit and Submit</h3><form action="book_change_record.php" method="post"><input type="hidden" name="username" value="<?php print $_POST['username']?>"><input type="hidden" name="pass" value="<?php print $_POST['pass']?>"><input type="hidden" name="ud_id" value="<? echo "$id" ?>">ISBN: <input type="text" name="ud_isbn" value="<? print "$isbn"?>"><br>Title: <input type="text" name="ud_title" value="<? print "$title"?>"><br>Author: <input type="text" name="ud_author" value="<? print "$author"?>"><br>Edition: <input type="text" name="ud_edition" value="<? print "$edition"?>"><br>Course Id: <input type="text" name="ud_course_id" value="<? print "$course_id"?>"><br>Quantity: <input type="text" name="ud_quantity" value="<? print "$quantity"?>"><br>Stack Number:<input type="text" name="ud_stack_no" value="<? echo "$stack_no"?>"><br><input type="Submit" value="Update"></form></td></tr></table><?++$i;}//end while?></body></html>//////////////File 3------------------------------------<html><head><title>Book Change Record</title></head><body><?$user=$_POST['username'];$password=$_POST['password'];$ud_id=$_POST['ud_id'];$ud_isbn=$_POST['ud_isbn'];$ud_title=$_POST['ud_title'];$ud_author=$_POST['ud_author'];$ud_edition=$_POST['ud_edition'];$ud_course_id=$_POST['ud_course_id'];$ud_quantity=$_POST['ud_quantity'];$ud_stack_no=$_POST['ud_stack_no'];$db="project";$link = mysql_connect("localhost","name","passwd");if (! $link)die("Couldn't connect to MySQL");mysql_select_db($db , $link)or die("Couldn't open $db: ".mysql_error());mysql_query(" UPDATE books SET isbn='$ud_isbn' ,title='$ud_title', author='$ud_author',edition='$ud_edition',course_id='$ud_course_id', quantity = '$ud_quantity', stack_no = '$ud_stack_no' WHERE isbn='$ud_id'");echo "Record Updated";mysql_close($link);?><form method="POST" action="book_update_form.php"><input type="hidden" name="username" value="<?php print $_POST['username']?>"><input type="hidden" name="pass" value="<?php print $_POST['password']?>"><input type="submit" value="Change Another"></form><br><form method="POST" action="book.php"><input type="hidden" name="username" value="<?php print $_POST['username']?>"><input type="hidden" name="pass" value="<?php print $_POST['password']?>"><input type="submit" value="Book Interface"></form></body></html>------------------------------------------------------------ --------------------------------- Do you Yahoo!? Yahoo! Tax Center - File online by April 15th