Server Error in '/' Application.

A potentially dangerous Request.QueryString value was detected from the client (bodyTag="<body style="margin:...").

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 (bodyTag="<body style="margin:...").

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 (bodyTag="<body style="margin:...").]
   System.Web.HttpRequest.ValidateString(String value, String collectionKey, RequestValidationSource requestCollection) +417
   System.Web.HttpValueCollection.EnsureKeyValidated(String key) +102
   System.Web.HttpValueCollection.Get(String name) +23
   WebCore.Types.NameValues..ctor(NameValueCollection nv) +119
   WebCore.HttpAppRequest..ctor(HttpContext httpcontext) +69
   WebCore.Web.WebAppContext..ctor(HttpContext context, Environment env) +62
   WebCore.Web.WebAppContext.Init(HttpContext context) +55
   WebCore.Web.WebHttpModule.OnBeginRequest(Object sender, EventArgs e) +136
   System.Web.SyncEventExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +223
   System.Web.HttpApplication.ExecuteStepImpl(IExecutionStep step) +213
   System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +91


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.7.4087.0