title: C# error in application
body: <p>I implemented my site and suddenly im catching an error in the <code>global.asax application_error</code> which states the following: </p>
  
  <pre><code>Error Caught in Application_Error event Error in: http://www.mydomain.com/styles/data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs= Error Message:A potentially dangerous Request.Path value was detected from the client (:).
  SOURCE: System.Web FORM:  QUERYSTRING:  TARGETSITE: Void ValidateInputIfRequiredByConfig() STACKTRACE:    at
  System.Web.HttpRequest.ValidateInputIfRequiredByConfig()     
  at System.Web.HttpApplication.ValidateRequestExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute()     at 
  System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean&amp; completedSynchronously)
  </code></pre>
  
  <p>I know this is the data for an image , but i cant find out how and why this is happen.<br>
  Any ideas?</p>
  
  <p>Chr.</p>