What is Validation Controls?

Validation controls are controls which help us to perform different validation on the data in controls like Textbox,Listbox and radiobutton.The common validation controls we use in a webform are:

• RequiredFieldValidator Control :- For compulsory required fields
• RegularExpressionValidator Control :- For Validating expressions
• CompareValidator Control :- For Comparing values
• RangeValidator Control :- For checking for a range of values
• ValidationSummary Control :- For Summarizing Validation Errors