VALIDATION CONTROLS IN ASP .NET

VALIDATION CONTROLS IN ASP .NET

Validation server controls are the only type of ASP.NET server controls that also generate client-side script. All the other controls work with the idea of making postbacks to the server (a request to the server to get a response).

Types of Validation

1-Client Side Validation

2-Server Side Validation

There are Six Type of Validation Controls

1-RequiredField Validator :- Make an input controls a required field.

2-Compare Validator :- Compare the value of one input control to the value of another input control or to a fixed value .

3-Range Validator :-Checks that the user enters a value that falls between two values.

4-Regular-expression Validator :- Ensures that the value of an input control matches a specified pattern.

5-Custom Validator :- Allow you to write a method to handle the validation of the value entered.

6-Validation Summary :- Displays a report of all validation errors occurred in a web page.