mask
(mask attribute)
|
HTML and Flash format cfinput tags
|
On the client as the user enters data
|
ColdFusion
generates JavaScript or ActionScript to directly control the data
a user enters by specifying a pattern. For example, 999-999-9999
requires a user to enter ten digits, and automatically fills in the
dash (-) separators to create a formatted telephone number.
For
detailed information on using masks, see Handling invalid data.
|
onBlur
(validateat="onBlur" attribute)
|
cfinput and cftextarea tags
|
On the client when the data field loses
focus
|
In
HTML and XML format, ColdFusion generates JavaScript that runs on
the browser to check whether entered data is valid and provide immediate
feedback, if the entry is invalid.
In Flash format, uses Flash
built-in validation routines.
|
onSubmit
(validateat="onSubmit" attribute)
|
cfinput and cftextarea tags
|
On the client when the user clicks Submit
|
In
HTML or XML format, the validation logic is identical to onBlur
validation, but the test is not done until the user submits the
form.
In Flash format, this validation type is identical to onBlur
Validation. Flash checks do not differentiate between the two events
for validation.
|
onServer
(validateat="onServer" attribute)
|
cfinput and cftextarea
tags
|
On the server when ColdFusion gets the submitted
form
|
ColdFusion
checks submitted data for validity and runs a validation error page
if the data is not valid. You can use the cferror tag
to specify the validation error page.
|
hidden field
|
All Forms, including HTML-only forms
|
On the server when ColdFusion gets the submitted
form
|
ColdFusion uses the same validation logic
as with onServer validation, but you must create additional, hidden,
fields and you can use this technique with HTML tags or CFML tags.
For detailed information
on using hidden fields, see Validating form data using hidden fields.
|
JavaScript
(onValidate ="function" attribute)
|
cfgrid, cfinput, cfslider, cftextarea,
and cftree tags in HTML and XML format forms
|
On the client, when the user clicks Submit, before
field-specific onSubmit validation
|
ColdFusion includes the specified JavaScript
function in the HTML page it sends to the browser, and the browser
calls it.
For
detailed information on using JavaScript for validation, see Validating form input and handling errors with JavaScript.
|
IsValid function
|
ColdFusion variables
|
On the server, when the function executes
|
ColdFusion tests the variable
to determine whether it follows a specified validation rule and the
function returns true or false.
For more information on using
the IsValid function for validation, see Validating data with the IsValid function and the cfparam tag.
|
cfparam tag
|
ColdFusion variables
|
On the server, when the tag executes
|
ColdFusion checks the specified
variable. If the value does not meet the validation criteria, ColdFusion
generates an expression exception.
For more information on
using the cfparam tag for validation, see, Validating data with the IsValid function and the cfparam tag.
|
cfargument tag
|
UDF and CFC function arguments
|
On the server, when a function is called
or invoked
|
ColdFusion checks the argument
value when it is passed to the function. If the value does not meet the
validation criteria, ColdFusion generates an application exception.
For
more information on using the cfargument tag, see Writing and Calling User-Defined Functions.
|
