Client-side Java Script is supported on any uplevel browser.
Supported browsers include Internet Explorer, Firefox, and Opera. NET, which supported only Internet Explorer as an uplevel browser.
In this chapter, you learn how to validate form fields when a form is submitted to the web server.
The Compare validator does not validate that the fields you reference have a value, and can cause problems when you are expecting a value where one does not exist.
You can use the validation controls to prevent users from submitting the wrong type of data into a database table.
Next, we extend the basic validation controls with our own custom validation controls.You can use the validation controls with browsers that do not support Java Script (or do not have Java Script enabled).If a browser does not support Java Script, the form must be posted back to the server before a validation error message is displayed.Summary In this article, I explained how validation in ASP. I have a form and some asp:textboxes and some validators.
Net Text Box, a Check Box to enable or disable the validation when it is checked or unchecked respectively and a Button to trigger the Required Field Validator for the Text Box. Net Text Box, a Check Box to enable or disable the validation when it is checked or unchecked respectively and a Button to trigger the Required Field Validator for the Text Box.