Re: Submitting Dynamic Form

Hi Rick, Here's a code snippet (less error checking). Basically there could be as many as twnety questions listed with their associated listboxes of possible answers. Also be aware that ms-sql identity type is similar to mysqls autoincrement type except that once a record is deleted, that identity value is never used again. My problem is that since the question_id field is never guaranteed to be sequential and seeing that I have named the answer listboxes with the question_id field, what is a good way to extract the values from the form and perform an update query ? How can I do this if I don't know what the question_id values will be ? -- CUT $sql= "SELECT * FROM tbl_exam_questions ORDER BY question_id;"; $result=mssql_query($sql,$conn1); $numrows = mssql_num_rows($result); print '<form method="POST" action="submit_exam_answers.php" name="F1">'; ## List All Questions and load the possible answers into list box. for($cnt = 0; $cnt < $numrows; $cnt++){ $row = mssql_fetch_array($result); print '<p>'.$row["question_text"].'</p>'; print 'My Answer is: <select size="1" name="'.$row["question_id"].'"><option selected value="0">- SELECT ONE -</option>'; ## Now fetch the possible answers and load it into the list box. $pa_sql = "SELECT * FROM tbl_exam_answers WHERE question_id = ".$row["question_id"].";"; $pa_result = mssql_query($pa_sql,$conn1); $pa_numrows = mssql_num_rows($pa_result); for($pa_cnt = 0; $pa_cnt < $pa_numrows; $pa_cnt++) { $pa_row = mssql_fetch_array($pa_result); print '<option value="'.$pa_row["id"].'">'.$pa_row["p_answers"].'</option>'; } print '</select><br><hr><br>'; ## Finished Loading Possible Answers into list box. } print '<p><input type="submit" value="Save Answer" name="Submit"><input type="reset" value="Reset Form" name="Reset"></p></form>'; -- CUT Oh, and before I forget tbl_exam_questions.correct_answer holds the relevent id entry from tbl_exam_answers > what happened when you extracted the form field names from the DB? > >> Hi All, >> >> I'm pretty new to the whole php thing and I'm currently making an >> multiple choice exam type of thing with php/mssql. >> >> The two tables concerned are called tbl_exam_questions and >> tbl_exam_questions which are defined like so. >> >> [tbl_exam_questions] ( >> [question_id] [int] IDENTITY (1, 1) NOT NULL , >> [question_text] [varchar] (355) NOT NULL , >> [correct_answer] [int] NOT NULL >> ) ON [PRIMARY] >> >> [tbl_exam_answers] ( >> [id] [int] IDENTITY (1, 1) NOT NULL , >> [question_id] [int] NOT NULL , >> [p_answers] [varchar] (255) NOT NULL >> ) ON [PRIMARY] >> >> What I'm trying to do is to pull all the questions out and display them >> with the possible answer in a html form and dropbox. >> I'm displaying the entire exam on one page, with one submit button on >> the bottom so that the student can review the answers before finally >> submitting them. >> >> The problem I have is that the form field names are dynamic in that they >> are set up the value held in tbl_exam_answers.question_id and with >> ms-sql the identity type is not guarenteed to be incremental, so how can >> I reference them to send a query back to the DB to mark the student ? >> >> Have I painted myself into a corner ? :-/