var validate Text Areas = function() You would call this method during your form validation.It assumes that all textareas on your form must be non-blank but you could easily change that if needed.A decent start, but a) although it warns users if they hit an icorrect key, the character is still entered into the textbox, so could still be submitted; b) users can still paste illegal characters in, and this code will not pick up on this.
when you click the button , it will validate all validators from its validation group and display the message.
There is more than one way to accomplish this task and this article will take a look at many different possibilities.
This article will also take a look at some of the more common uses of Java Script in ASP. It is quite easy to add Java Script to a specific server control that resides on an ASP. Let's take a look at the button server control as an example.
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Web Controls; public partial class Validate From Database : System.