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Posted by Jack Jackson on 07/30/05 15:58
Okay, last attempt before I hit my head against wall. I thought perhaps
to add the error check to the dropdown function itself:
function GetQuestionsDropdown($cat){
//first get all the questions
$sql = "SELECT * FROM questions WHERE questions.q_cat=$cat AND
questions.q_style=1";
$result = mysql_query($sql);
//now one-by-one go through the questions
while($row = mysql_fetch_assoc($result)) {
//if the form has been submitted, and the question unanswered
//highlight this whole question and answer block in red.
if ($message[$row['q_name']] == 1){
echo "<div class='error'>";
}
//Make a question set div wrapper
echo "<div class='q_set'>\n";
//State the question
echo "<div class='question'>";
echo $row['q_text'] . "</div>";
echo "\n\n";
echo " <div class='answer'>";
echo "\n";
//Create the dropdown for the answers
echo ' <select name="' . $row['q_name'] . '">';
echo "\n";
//get all of the answers for THIS question
$ans_sql = "select * from answers where answers.q_id=" . $row['q_id'];
$ans_result = mysql_query($ans_sql);
echo " <option value=\"\">Select from this list</option>\n";
while($ans_row = mysql_fetch_assoc($ans_result)) {
//list the answers for THIS question
echo " <option ";
echo "value=\"" . $ans_row['a_id'] . "\"";
if ($row['q_name'] == $ans_row['a_id']) {
echo " selected";
}
echo ">" . $ans_row['a_answer'] . "</option>";
echo "\n";
}
echo ' </select>' . "\n" . ' </div>' . "\n";
echo "</div><!--q_set-->\n\n";
//If there *was* an error div, close it
if (sizeof($message[$row['q_name']])){
echo "</div><!--/error-->";
}
//error checking
if ( !strcmp($action,'process') ) {
if(empty($_POST[$row['q_name']])){
$message[$row['q_name']] == "1";
}
}
}
}//function GetQuestionsDropdown
it didn't work either.
Jack Jackson wrote:
> Hi,
> Now that the drop down is working properly (thanks!!), I am trying to
> validate, and having LOTS of trouble. After being ceaselessly derided
> last night on an irc channel for my dimwitedness, I am still not any
> closer.
>
> The code which works is this:
>
> function GetQuestionsDropdown($cat){
> //first get all the questions
>
> $sql = "SELECT * FROM questions WHERE questions.q_cat=$cat AND
> questions.q_style=1";
>
> $result = mysql_query($sql);
> //now one-by-one go through the questions
> while($row = mysql_fetch_assoc($result)) {
>
> //if the form has been submitted, and the question unanswered
> //highlight this whole question and answer block in red.
> if ($message[$row['q_name']] == 1){
> echo "<div class='error'>";
> }
>
> //Make a question set div wrapper
> echo "<div class='q_set'>\n";
> //State the question
> echo "<div class='question'>";
> echo $row['q_text'] . "</div>";
> echo "\n\n";
> echo " <div class='answer'>";
> echo "\n";
>
> //Create the dropdown for the answers
> echo ' <select name="' . $row['q_name'] . '">';
> echo "\n";
>
> //get all of the answers for THIS question
> $ans_sql = "select * from answers where answers.q_id=" . $row['q_id'];
> $ans_result = mysql_query($ans_sql);
>
> echo " <option value=\"\">Select from this list</option>\n";
> while($ans_row = mysql_fetch_assoc($ans_result)) {
>
> //list the answers for THIS question
> echo " <option ";
> echo "value=\"" . $ans_row['a_id'] . "\"";
>
> if ($row['q_name'] == $ans_row['a_id']) {
> echo " selected";
> }
>
> echo ">" . $ans_row['a_answer'] . "</option>";
> echo "\n";
> }
> echo ' </select>' . "\n" . ' </div>' . "\n";
> echo "</div><!--q_set-->\n\n";
> //If there *was* an error div, close it
> if (sizeof($message[$row['q_name']])){
> echo "</div><!--/error-->";
> }
> }
> }//function GetQuestionsDropdown
>
>
> NOW I have to validate after it's submitted. I am trying to look and
> see, if $_POST[$row['q_name']] is empty then make message of the same
> name = 1, so if
>
> if(empty($_POST['partners'])) {
> $message['partners'] = '1'
> }
>
> Then when I restate the dropdown function, and it shows the questions
> again, those error checking things I built in will
> a) show a div class=error around questions with a message
> b) pre-select the previously selected answers (because I have put in
> the thing in the dropdown which says
>
> if ($row['q_name'] == $ans_row['a_id']) { echo " selected";}
>
>
> The validate code I was trying, the subject of such howling on IRC (and
> I know it doesn't work, but not why) was:
>
> function ValidatePost($cat){
> //first get the q_names
> $sql = "SELECT * FROM questions WHERE q_cat=$cat";
> $result = mysql_query($sql);
>
> //go through the question set
> while($row = mysql_fetch_assoc($result)) {
>
> if(empty($_POST[$row['q_name']])){
>
> $message[$row['q_name']] == "1";
> }
> }
> }//function ValidatePost
>
> Can anyone tell me what I am doing wrong?
>
> Thanks!
> JJ
>
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