The server side validation routine should be written in any . The summary displays the values of the Error Message property of all validation controls that failed validation.
The validation control classes are inherited from the Base Validator class hence they inherit its properties and methods.
This is also possible with text will now toggle the checkbox state, and the text will change from red to green.
Basically, when the checkbox is happy, the label is happy.
Also gone are any globally defined functions or variables.
The Java Script can now be moved to a separate file, or converted to a code library allowing for it to be reused with other forms.
While HTML5 form validation is typically about missing or invalid text inputs, there are other form element types that also require attention. Suppose you have a form on your website that at the bottom asks people to "accept the Terms and Conditions" or something similar.