An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.
[HttpRequestValidationException (0x80004005): A potentially dangerous Request.Form value was detected from the client (txtComment="this ia<BR>a test").] System.Web.HttpRequest.ValidateString(String s, String valueName, String collectionName) System.Web.HttpRequest.ValidateNameValueCollection(NameValueCollection nvc, String collectionName) System.Web.HttpRequest.get_Form() +113 System.Web.UI.Page.GetCollectionBasedOnMethod() System.Web.UI.Page.DeterminePostBackMode() System.Web.UI.Page.ProcessRequestMain() System.Web.UI.Page.ProcessRequest() System.Web.UI.Page.ProcessRequest(HttpContext context) System.Web.CallHandlerExecutionStep.System.Web.HttpApplication+IExecutionStep.Execute() System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously)