Server Error in '/' Application.

A potentially dangerous Request.QueryString value was detected from the client (url="...host.pp.ua<br>").

Description: ASP.NET has detected data in the request that is potentially dangerous because it might include HTML markup or script. The data might represent an attempt to compromise the security of your application, such as a cross-site scripting attack. If this type of input is appropriate in your application, you can include code in a web page to explicitly allow it. For more information, see http://go.microsoft.com/fwlink/?LinkID=212874.

Exception Details: System.Web.HttpRequestValidationException: A potentially dangerous Request.QueryString value was detected from the client (url="...host.pp.ua<br>").

Source Error:

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.

Stack Trace:


[HttpRequestValidationException (0x80004005): A potentially dangerous Request.QueryString value was detected from the client (url="...host.pp.ua<br>").]
   System.Web.HttpRequest.ValidateString(String value, String collectionKey, RequestValidationSource requestCollection) +11984083
   System.Web.HttpValueCollection.EnsureKeyValidated(String key) +11980980
   System.Web.HttpValueCollection.GetValues(String name) +23
   System.Web.Mvc.ValueProviderResultPlaceholder.GetResultFromCollection(String key, NameValueCollection collection, CultureInfo culture) +32
   System.Lazy`1.CreateValue() +737
   System.Lazy`1.LazyInitValue() +65
   System.Web.Mvc.NameValueCollectionValueProvider.GetValue(String key, Boolean skipValidation) +79
   System.Web.Mvc.<>c__DisplayClass9.<GetValue>b__4(IValueProvider provider) +45
   System.Linq.WhereSelectEnumerableIterator`2.MoveNext() +223
   System.Linq.WhereSelectEnumerableIterator`2.MoveNext() +263
   System.Linq.Enumerable.FirstOrDefault(IEnumerable`1 source) +146
   System.Web.Mvc.DefaultModelBinder.BindModel(ControllerContext controllerContext, ModelBindingContext bindingContext) +409
   System.Web.Mvc.ControllerActionInvoker.GetParameterValue(ControllerContext controllerContext, ParameterDescriptor parameterDescriptor) +396
   System.Web.Mvc.ControllerActionInvoker.GetParameterValues(ControllerContext controllerContext, ActionDescriptor actionDescriptor) +143
   System.Web.Mvc.ControllerActionInvoker.InvokeAction(ControllerContext controllerContext, String actionName) +627
   System.Web.Mvc.Controller.ExecuteCore() +137
   System.Web.Mvc.ControllerBase.Execute(RequestContext requestContext) +91
   System.Web.Mvc.<>c__DisplayClassb.<BeginProcessRequest>b__5() +54
   System.Web.Mvc.Async.<>c__DisplayClass1.<MakeVoidDelegate>b__0() +22
   System.Web.Mvc.<>c__DisplayClasse.<EndProcessRequest>b__d() +51
   System.Web.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +607
   System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +134


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.7.2114.0