ASP.NET 4 Unleashed

Disabling Validation

All the button controls—Button, LinkButton, and ImageButton—include a CausesValidation property. If you assign the value False to this property, clicking the button bypasses any validation in the page.

Bypassing validation is useful when creating a Cancel button. For example, the page in Listing 3.6 includes a Cancel button that redirects the user back to the Default.aspx page.

Listing 3.6. ShowDisableValidation.aspx

The Cancel button in Listing 3.6 includes the CausesValidation property with the value False. If the button ...