Explain the validation controls. How many validation controls in ASP.NET 4.0?

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Sumit Kesarwani · Answer

Validation controls are responsible to validate the data of
an input control. Whenever you provide any input to an application, it performs
the validation and displays an error message to user, in case the validation
fails.
ASP.NET 4.0 contains the following six types of validation
controls:
CompareValidator - Performs a comparison between the values
contained in two controls.CustomValidator - Writes your own method to perform extra
validation.RangeValidator- Checks value according to the range of
value.RegularExpressionValidator - Ensures that input is according
to the specified pattern or not.RequiredFieldValidator - Checks either a control is empty or
not.ValidationSummary - Displays a summary of all validation
error in a central location.

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Explain the validation controls. How many validation controls in ASP.NET 4.0?

Sumit Kesarwani

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