Vb net validating controls


NET to allocate any space on the page ahead of time to display a validation control message. NET will dynamically allocate space on the page on the fly.

If you choose the Dynamic value and your validation fails, you could cause visual layout problems on pages that use HTML tables for page layout.

The Run At="Server" attribute is required for all ASP. The Display attribute determines how space is reserved to display the validation control message if data validation fails. NET will allocate the space on the page when the page is rendered. Other possible values for the Display attribute are Dynamic and None. NET validation controls uses a script library called Web and implements Microsoft JScript functionality that is only supported by Microsoft Internet Explorer 4.0 and later versions.

A Display attribute value of Dynamic specifies that you don't want ASP.

Validating the information entered by users is an essential part of developing a professional Web-based user interface. NET validation controls use a combination of the benefits of traditional data validation. NET data validation controls process data validation on the Web server, but you can also optionally process data validation on the user's computer. Hence, if you configure the data validation controls to enable validation on the user's computer, the resulting HTML is browser-specific.