System.Web 2.0.0.0 System.Enum When using extending a class, member or indexer with a , you must define the level of reporting that the verification rule represents by specifying one of the values. Specifies reporting levels for an accessibility rule defined by an instance. Field System.Web.UI.VerificationReportLevel The verification rule represented by the instance is an error. 2.0.0.0 Field System.Web.UI.VerificationReportLevel The verification rule represented by the instance is a guideline. 2.0.0.0 Field System.Web.UI.VerificationReportLevel The verification rule represented by the instance is a warning. 2.0.0.0