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General results page - specific results page - final result

Thread began 2/22/2010 5:41 pm by jeffmg279672 | Last modified 2/23/2010 8:03 pm by Jason Byrnes | 802 views | 7 replies |

jeffmg279672

General results page - specific results page - final result

I want to set up a page which pulls all instances of a recording artist's name from the database and displays them in a repeat region. Clicking on one of these artist's names will then take you to a second page displaying all recordings by them. Clicking on one of these will then take you to a detail page for that item. Sounds simple enough and I'd assumed I'd be able to do it with DataAssist but I can't work out how to get started with this. I can put together a page which pulls all the artists' names out of the database and then links to a detail page for each one, but the client is insistent on having this three stage selection. Is there a tutorial which might point me in the right direction, please?
Previous experience with DataAssist makes me think that the options are limited to a search page which then feeds into a results page, but ideally what I need is a results page (with the artists' names) which then feeds into a page with all options for that artist, which then feeds into the final detailed results page. If it's possible to do this with DA I'd love to know how.

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Jason ByrnesWebAssist

you will need 2 tables to accomplish this, an artist table and a recordings table. the recordings table will include a foreign key used to relate the recording to the artist:

artists:
artistID - Primary key
artistName - text
etc.

recordings:
recordingID - Primary Key
recordingArtistID - Foreign Key to artists.artistID
recordingName - Text
etc.

on the first page, create a recordset to return all artists:
SELECT * FROM artists

In the repeat region, display the artists name and linking to a recordings page using a querystring variable to pass the artists ID:
<a href="recordingsResults.php?id=<?php echo $row_recordsetName['artistID']; ?>"><?php echo $row_recordsetName['artistName']; ?></a>




on the recording results.php page, create a recordset to return all of the recordings for the selected artist by filtering the recordingArtistID on the ID querystring variable.

in the repeat region, show the recording name with a link to the recordings detail page passing the recordingID column as a querystring variable:
<a href="recordingsDetails.php?id=<?php echo $row_recordsetName['recordingID']; ?>"><?php echo $row_recordsetName['recordingName']; ?></a>


On the recordingsDetails.php, create a recordset to display the selected recording by filtering the recordingID column on the ID querystring variable that was passed.

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jeffmg279672

OK. I've set up two tables (I'm testing this locally on my Mac using MAMP and phpMyAdmin). First problem was that I couldn't work out how to assign recordingArtistID as a foreign key in the recordings table to artist.artistID - I've already got a primary key set in both tables and it just kept throwing errors whenever I tried, so at the moment the foreign key is recordingID - couldn't see how to make recordingArtistID the foreign key.

The first page works fine, but the problem comes in the recordingsResults.php page - I think I might have messed up here as it's showing all the results from the database rather than pulling them for a specific artist. Have I misunderstood what you mean by passing the recordingID column as a querystring variable?

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Jason ByrnesWebAssist

on the results page, you are not filtering the recordset at all. set the filtering option on the results recordset to filter the artist ID column of the recordings table on the id querystring variable that is being passed.

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jeffmg279672

OK, I think I see what you mean. I've set it so that the recordset is now being filtered (I think). The SQL from the advanced view of the recordset now reads as follows:

SELECT *
FROM opMrecordings
WHERE recordingArtistID = colname
ORDER BY recordingArtistID ASC

When I test it though I'm getting a blank page with a URL ending like this:
recordingsResults.php?id=4

This is probably really frustrating for you, apologies - it's been a long day here (just after midnight in UK) and I've spent ages trying to get this sorted.

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Jason ByrnesWebAssist

if you are getting a blank page, it means there is a php error occurring.


add the following at line 1 to turn error reporting on:

php:
<?php

error_reporting
(E_ALL);
ini_set('display_errors','on');
?>
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jeffmg279672

Added the code at line 1 but still only got a blank page, nothing showed up as an error...

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Jason ByrnesWebAssist

please send a link and a copy of the page.

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