Title: Auto populate fields
Last modified: March 4, 2018

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# Auto populate fields

 *  [admatheson](https://wordpress.org/support/users/admatheson/)
 * (@admatheson)
 * [8 years, 2 months ago](https://wordpress.org/support/topic/auto-populate-fields-2/)
 * Hello,
 * I made a form to add entries to a database, however I’m having issues with the
   update. When I want to edit the form, I want the fields to auto populate with
   the information from the database based on the ID, and then update based on that
   ID. I don’t want to have to create different forms for everyone (because I know
   you can manually set to update by ID) but I have 100’s of entries in my database
   that can be updated so it would be incredibly tedious and time consuming to have
   to make a different form for every entry in the database.
 * So, is there anyway to dynamically auto populate form fields with database content
   based on an ID, and then also update based on that ID (if the ID is passed to
   the page through a GET or some other means)
 * Thanks

Viewing 3 replies - 1 through 3 (of 3 total)

 *  [RossMitchell](https://wordpress.org/support/users/rossmitchell/)
 * (@rossmitchell)
 * [8 years, 2 months ago](https://wordpress.org/support/topic/auto-populate-fields-2/#post-10037485)
 * Yes the fields can be dynamically populated etc.
 * You need to write a plugin that registers several shortcodes that do various 
   database functions. These shortcodes go into different pages.
    Say you have shortcodes
   called: – searchanddisplay – editentry – addentry – databaseadd
 * You create your custom database tables using phpmyadmin etc, at this stage dont
   bother with creating the tables in code.
 * This is what each of these shortcode functions would do:
    – searchanddisplay 
   It has a search fields FORM and a results display table. The FORM has a “Search”
   button that does a submit to the same URL of this page. There could also be pagination
   controls, the pagination controls are distinct SUBMIT codes. On entry it test
   if the search fields are set, if not it sets the search to default like ALL or
   whatever. It renders the HTML for the form, setting the fields to the received
   values (or default). It then does an SQL queary, possibly with pagination. If
   there are no results it says so. Otherwise it generates a table with one result
   per row, each row has columns for the various fields and a column with an “EDIT”
   button which is a LINK to the page with the “editentry” shortcode, it also has
   the key for that row.
 * – editentry
    Tests that the row key is set, complains otherwise. Tests if it 
   is being invoked by itself using its own submit buttons, does the distinct operations
   some of which result in a page redirect, otherwise it does an SQL query on that
   row, displays the results in a form, there are submit action buttons for savechanges,
   back/cancel and delete.
 * – addentry
    Displays a form, has submit buttons for ADD and cancel. The ADD action
   directs to databaseadd page. The cancel links to the searchdisplay page.
 * – databaseadd
    Validates the fields and reports errors, otherwise does an SQL
   database insert, reports on errors such as duplicate keys.
 * Note that other organizations are possible.
    You can use javascript to provide
   various support and convenience features (such as “clear search fields”) When
   I was getting started I found this plugin to be very handy: [https://wordpress.org/plugins/wp-csv-to-database/](https://wordpress.org/plugins/wp-csv-to-database/)
 *  Moderator [bcworkz](https://wordpress.org/support/users/bcworkz/)
 * (@bcworkz)
 * [8 years, 2 months ago](https://wordpress.org/support/topic/auto-populate-fields-2/#post-10038017)
 * Ross said “Note that other organizations are possible.”
 * That’s for sure! Shortcodes are certainly a reasonable approach. If you need 
   these forms to appear in various post content, it’s likely the best approach.
   But if your forms only need to appear in one place, IMO shortcodes add needless
   complication. I personally would simply build the necessary form code as a PHP
   page of some sort. If the forms are to appear on the front end, I’d make a custom
   page template that handles everything. On the backend, I’d make a menu page callback
   that does the same.
 * I judge the custom page template the simplest to implement. It’s as close as 
   WP gets to a traditional stand alone PHP file. It’s best to consider what the
   best user experience would be before deciding what approach to use. What’s easiest
   shouldn’t be the criteria, but with limited time and/or skill, it becomes a factor.
 *  [RossMitchell](https://wordpress.org/support/users/rossmitchell/)
 * (@rossmitchell)
 * [8 years, 2 months ago](https://wordpress.org/support/topic/auto-populate-fields-2/#post-10038713)
 * Yes, I concede that custom page templates present a much more conventional application
   development context, your comment is a worthwhile contribution to this discussion.
   Some things are even easier, like I described page redirects, now I think of 
   it I am not sure how I would do this from shortcodes ? Ideas anyone ?
 * However page templates are an uncomfortable straddle across the realms of theme
   which controls presentation, and all the rest which controls content. Separating
   presentation from content is a major theme in the world of the web, html vs css,
   why you don’t use tables any more to control layout etc. On occasions we have
   to muddle this separation, like when we target page IDs in css etc, but in general
   it is a divide worth maintaining.
 * Building applications in page templates is contrary to the WordPress ecosystem,
   there are a zillion plugins in the library and elsewhere, I have yet to run across
   one that incorporates creating an alliance with page templates, which would be
   a good technique, I just have not seen it.
 * Thoughts anyone ?

Viewing 3 replies - 1 through 3 (of 3 total)

The topic ‘Auto populate fields’ is closed to new replies.

 * In: [Developing with WordPress](https://wordpress.org/support/forum/wp-advanced/)
 * 3 replies
 * 3 participants
 * Last reply from: [RossMitchell](https://wordpress.org/support/users/rossmitchell/)
 * Last activity: [8 years, 2 months ago](https://wordpress.org/support/topic/auto-populate-fields-2/#post-10038713)
 * Status: not resolved

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