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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.

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.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.Now you will see the browser posting back to the server, but the result will be the same - the validator still works!Right now, the button does nothing, besides posting back if the page is valid.

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The following two mutually inclusive properties list out the error message: Complex pages have different groups of information provided in different panels.

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