Gets or sets a value that indicates whether focus is set to the control specified by the ControlToValidate property when validation fails.
Assembly: System.Web (in System.Web.dll)
Use the ControlToValidate property when this validation control fails. This allows the user to quickly update the appropriate control.property to specify whether focus is automatically set to the control specified by the
If multiple validation controls fail and this property is set to true, the control specified in the ControlToValidate property for the first validation control receives focus.
Available since 2.0