Text box validating event Oklahoma chat line
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.
Private Sub Data_Key Press(sender As Object, e As Key Press Event Args) Handles Data.
Less importantly, Numeric Up Down have annoying UI problems related to the font size.
It is easy for an end user to make a mistake when they are entering data or even to leave out important details that must be entered, so we need to check this data when it is being entered into the database.
Allowing invalid data to be entered into the database ensures that the database and the data available will become less valuable and harder for the user to use.
One of the questions I get asked again and again is how to validate a field value in an Acro Form with a custom validation script.