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issue with checkbox on update

Thread began 9/14/2016 3:10 pm by Christopher West | Last modified 9/15/2016 3:13 pm by Ray Borduin | 232 views | 3 replies |

Christopher WestCommunity Expert

issue with checkbox on update

Hi I just found an odd issue. I have an update page with some checkboxes, after some testing I found that some checkboxes were able to update in the database and some did not. This confused me as its the same syntax of code. After looking at my database, and another test I found that removing Default -> As defined: 1 this solved the issue.For example look at the screenshot before the fix. I don't understand this as I assumed the Default in phpMyAdmin was only in case there was NULL in the table field?

Here is the php code on my page to show its correct.

php:
$UpdateQuery->bindColumn("ProductNewArrival", "c", "".((isset($_POST["newarrival"]))?$_POST["newarrival"]:"")  ."", "WA_DEFAULT");



php:
<input <?php if (!(strcmp(($rsProduct->getColumnVal("ProductNewArrival")),1))) {echo "checked=\"checked\"";} ?> name="newarrival" type="checkbox">



I wanted to use the Default: as defined in phpMyAdmin so that I can ensure a value is set. What am I misunderstanding? because it seems that if Default: as defined is set to 0 in phpMyAdmin it works fine. but if I use a value of 1 it doesn't allow my php update page to update the database?

Chris

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Ray BorduinWebAssist

You don't have a value="1" attribute for your checkbox. The form won't be able to tell if the checkbox was checked or not if it doesn't have a value.

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Christopher WestCommunity Expert

Hey Ray, I am a little confused with your reply. As I never had the issue before and always used the same approach.

Also in the WebAssist MySQLi Update Record I have selected in the submit as: Checkbox 1,0 (So I assumed that covered the form knowing the value of either 1 or 0).

Plus other checkboxes seem to work!

I have tried the below but it doesnt work. I also tried a few other methods but dont work.

php:
<input <?php if (!(strcmp(($rsProduct->getColumnVal("ProductNewArrival")),1))) {echo "checked=\"checked\"";} ?> name="newarrival" value="<?php echo($rsProduct->getColumnVal("ProductNewArrival")); ?>" type="checkbox">



It only seems to work if I remove Default As Defined: 1 from my database (as seen in the screenshot currently). Im just baffled to why som of the other checkboxes have no issues.

Chris

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Ray BorduinWebAssist

I would just make it: value="1" in the html and then use:

$UpdateQuery->bindColumn("ProductNewArrival", "c", "".((isset($_POST["newarrival"]))?$_POST["newarrival"]:"0") ."", "WA_DEFAULT");

If you tell it to use the default when it is blank then it will make the value whatever the default in the database is when unchecked. It would make sense to maybe ignore that last value for checkboxes and always set to zero or one but this is a good workaround.

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