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Validation and Database Bindings

Thread began 4/09/2010 7:45 am by Me | Last modified 4/11/2010 4:57 am by Me | 882 views | 2 replies |

Me

Validation and Database Bindings

I have an update page where the forms fields are binded to data from MySQL.

If the user updates the record and makes an error, upon reload 'Validation' shows this as expected BUT also defaults any other field that was changed back to the MySQL column value.

Essentially then, not only must the user correct the form error pointed out by 'Validation', they must also retype the changes to any of the other fields as required.

To me, it seems fundamental that, if multiple form fields are changed, those changes are passed to the database (or atleast kept in the form field) subject to passing validation. If one field does not validate, then that field shows the error so the user can amend it

Is there a way around this? Am I missing something here. Is there another method?

Thanks in adviance for your replies

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Jason ByrnesWebAssist

using server validation, there is a binding group created called Validated Entries. This binding group holds the values of the form fields that where posted.

you can set the form elements initial value to use the validated entry binding, it will create code similar to:

php:
value="<?php echo(ValidatedField("confirm","form_element_name")) ?>"





you will need to modify this code to determine whether to use the record set value, or the validated entries value. To do this, first set the Failed redirect of the server validation to pass a query string variable like:
pagename.php?valid=false


you can then use code similar to the following:

php:
value="<?php echo((isset($_GET['valid']))?(ValidatedField("confirm","form_element_name")):$row_recordsetName['columnName']); ?>




to determine which one to use as the form elements value

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Me

Oh, OK.

So, we provide a ternary for each form field. I can do that :-)

Might it be a good though to have this included in the behaviour? It would save having to hand code it, and of course, if we amend the form, I'm thinking we'll perhaps have to retype the code again?

Maybe in the next release?

Thanks for the reply!

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