Demanding of the drop-down list in CFMX form fields
Required form fields in Coldfusion MX 6 help with HTML forms for that I use the following method:-a hidden field that has a name attribute composed of the name of the field and the suffix '_required '.
You can use this technique with CFML and HTML tags form. If the user leaves the FirstName field empty, ColdFusion rejects the submission of form and returns a message informing the user that the field is required. You can customize the contents of this error message.
For example:
To require that the user enters a value in the field FirstName for a HTML input tag, I use the following syntax:
< input type = "Text" name = "FirstName" size = "20" maxlength = "35" >
< input type = "hidden" name = "FirstName_required".
value = "You must enter your first name." >
This is a nice, simple, solution non-javascript. However, it seems to only work for text fields and entered radio, not the drop-down lists. Is there a way to the same demand of the drop-down lists in the form? (I prefer not to have to resort to additional javascript validation)
I used it with some fields.
The issue here is that if you have any tag "selected" option
even an empty option "Select a value" type, this selection has been
finished and he will not raise a validation error.
Tags: ColdFusion
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