Validating user input in asp net web pages
To provide such validation, we have three choices: In this article we'll implement the third option, creating two custom server controls, Check Box Validator and Check Box List Validator. The server controls provided in this article were designed using Visual Studio 2005 and the . NET 1.x, check out Creating a Validation Control for Check Box Lists.
The purpose of the validation controls is to validate the user input.In this kind of scenario, I will discuss few things that will be very helpful.First, I would suggest, to divide your page in some logical section, those you might need to validate at certain points.Validation plays a key role whenever we take a inputs from the user. NET provides us few validator controls that are used a lot in web applications.Now a days, in our application, we used to have several section in our web pages.