The document discusses six validation controls in ASP.NET that validate user inputs on both the client-side and server-side. The controls are: required field validator, compare validator, range validator, regular expression validator, custom validator, and validation summary. Each control validates inputs, writes client-side error messages for invalid entries, and combines client- and server-side validation.

1. Presented by.
Zaiyaul Haque

2.  Six Validation Controls

3.  Each control:
◦ Validates user inputs on client-side using JavaScript
 When possible
◦ Validates all inputs on server
◦ Writes client-side error message if invalid

4. 1. Required FieldValidator
◦ Only validator that checks for NO entry
1. Compare Validator
◦ Compares input to: datatype, constant, another
control, database value, etc.
1. Range Validator
◦ Entry within a specified data range

5. 4. RegularExpressionValidator
◦ Check format against a specific pattern
◦ E-mail address, phone number, zip code, etc.
4. CustomValidator
◦ Write own code
◦ Server- or client-side
4. ValidationSummary
◦ Summarizes all errors on page

6.  Easy to use
 Flexible
◦ Validate any type of input
 Combines client- and server-side validation in one
control