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Posted on    September-02-2014 11:17 PM

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Sumit Kesarwani

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Posted on    September-02-2014 12:00 AM

The following validation controls are available in ASP.NET AJAX 4.0:

  1. FilteredTextBoxExtender - Enables you to apply filtering to a text box.
  2. MaskedEditExtender and MaskedEditValidator - Restricts a user to enter only a certain pattern of characters in the TextBox by applying a mask to the input.
  3. ValidatorCalloutExtender - Attaches to the ASP.NET validators so that the error messages are not displayed as a simple text but as a balloon-style ToolTip.
  4. NoBot - Prevents the spam/bot from filling the input forms automatically and uses the Completely Automated Public Turing test to tell Computers and Humans Apart (CAPTCHA), which is a type of challenge-response test to ensure that the response is not generated by the computer.
  5. PasswordStrengthExtender - Measures the strength of the password text entered within the text box by validating with the different strength specified parameters

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