Asp net validating user input with c

The validation control classes are inherited from the Base Validator class hence they inherit its properties and methods.Therefore, it would help to take a look at the properties and the methods of this base class, which are common for all the validation controls: The Regular Expression Validator allows validating the input text by matching against a pattern of a regular expression.The following two mutually inclusive properties list out the error message: Complex pages have different groups of information provided in different panels.In such situation, a need might arise for performing validation separately for separate group.provides the developer with different types of validation controls.One most important point to note is that the validation is done on the client side as well as on the server side.

I don't know of any country where that sort of disclaimer is necessary, but I'm not a lawyer and even if I was, I wouldn't know the law of every single country.It work on both end; first it will work on client validation and than on server validation. It can most commonly be used when you need to confirm password entered by the user at the registration time. Range Validator Control The Range Validator Server Control is another validator control, which checks to see if a control value is within a valid range.At any cost server validation will work always whether client validation is executed or not. The attributes that are necessary to this control are: Maximum Value, Minimum Value, and Type.Regular Expression Validator Control A regular expression is a powerful pattern matching language that can be used to identify simple and complex characters sequence that would otherwise require writing code to perform.Using Regular Expression Validator server control, you can check a user's input based on a pattern that you define using a regular expression. These expressions can be phone number, email address, zip code and many more. Simply set the Validation Expression property to any type of expression you want and it will validate it.

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