RE: [PHP-DB] Re: Undefined index and variables

Couldn't you use the 'for each' method on $_POST instead? .b > -----Original Message----- > From: Hutchins, Richard [mailto:Richard.Hutchins@GetingeCastle.com] > Sent: 15 January 2003 16:44 > To: 'Fred Wright'; php-db@lists.php.net > Subject: RE: [PHP-DB] Re: Undefined index and variables > > > Fred, > > I don't have much time today, but here is my initial > assessment of what might be going wrong with your page: > > You display add.php which draws a form for data. > You submit that form to add.php (itself). > The form redraws inside the page. > You get errors when add.php looks for data in the > $HTTP_POST_VARS array because the page is fresh and that > array is empty. > > Problem is that there is no code to handle the data that was > entered in the first place. Once you hit submit, the add.php > page is (re)drawn in its original state - with no values in > the fields. Therefore, when the $_POST['varname'] statement > looks in $HTTP_POST_VARS, there's nothing to display so you > get the Undefined Index errors. It's almost like refreshing the page. > > My advice would be to separate the code for the data entry > and data handling parts of your project into independent > scripts. Use add.php to collect the data then send the data > to a php script called handleAdd.php that gets the name/value > pairs and submits them to the database. After submitting the > data to the database in handleAdd.php, forward the user back > to another page (add.php again, if you want) where they can > get some kind of confirmation the data was entered. > > A further recommendation would be to provide the list with > the code you gave to me so maybe somebody else with a little > more free time might be able to assist you further. Sorry I > couldn't provide any more help. > > Rich > > > -----Original Message----- > > From: Fred Wright [mailto:to_637fjw@hotmail.com] > > Sent: Wednesday, January 15, 2003 12:21 PM > > To: php-db@lists.php.net > > Subject: [PHP-DB] Re: Undefined index and variables > > > > > > <? > > //This is lines 22 and 23 of Add.php > > require("common.php") ; > > GenerateHTMLForm(); > > $smt2= $_POST['Ref']; //line 22 > > $smt3=$_POST['Chassis']; //line 23 > > > > The form below is in common.php > > > > function GenerateHTMLForm() { > > > > printf("<FORM action=\"add.php\" METHOD=post>"); > > > > printf("<TABLE border=\"0\" width=\"100%%\">"); > > > > printf("<TR><TD>Reference:</TD>"); > > printf("<TD><INPUT TYPE=text SIZE=5 > > NAME=Ref></TD></TR>"); > > > > printf("<TR><TD>Chassis:</TD>"); > > printf("<TD><INPUT TYPE=text SIZE=25 NAME=Chassis > > ></TD></TR>"); > > printf("</TABLE>"); printf("<INPUT TYPE=submit > > name=\"submit\">"); > > printf("</FORM>" ); > > } > > > > "Fred Wright" <to_637fjw@hotmail.com> wrote in message > > news:20030115105508.13458.qmail@pb1.pair.com... > > > Hi to all > > > Being new to PHP I am naturally experiencing some minor problems. > > > > > > I have a form which processes Ref and Chassis data, when I > > load Add.php > > > which does work but on loading get errors > > > > > > Notice: Undefined index: Ref in C:\Xitami\webpages\add.php > > on line 22 > > > Notice: Undefined index: Chassis in > > C:\Xitami\webpages\add.php on line 23 > > > How do I get rid of these undefined errors? Could anyone > > advise please. > > > Regards > > > Fred > > > > > > printf("<FORM action=\"add.php\" METHOD=post>"); > > > > > > printf("<TABLE border=\"0\" width=\"100%%\">"); > > > > > > printf("<TR><TD>Reference:</TD>"); > > > > > > printf("<TD><INPUT TYPE=text SIZE=5 NAME=Ref > > > ></TD></TR>"); > > > > > > printf("<TR><TD>Chassis:</TD>"); > > > printf("<TD><INPUT TYPE=text SIZE=25 NAME=Chassis > > > ></TD></TR>"); > > > > > > printf("</TABLE>"); > > > > > > printf("<INPUT TYPE=submit name=\"submit\">"); > > > > > > printf("</FORM>" ); > > > > > > > > > > > > > > -- > > PHP Database Mailing List (http://www.php.net/) > > To unsubscribe, visit: http://www.php.net/unsub.php > > > > -- > PHP Database Mailing List (http://www.php.net/) > To unsubscribe, visit: http://www.php.net/unsub.php >