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POData validation ASP MVC OnActionExecuting
 

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    <p>I have created a base controller that each of my controllers inherit. In this controller I have the OnActionExecuting method. I use this to check the url for some parameters. The problem I have is that I get an exception whenever I post html data. I have setup the model using the [AllowHTML] tag and it works on all the other actions. </p> <p>How do I make the OnActionExecuting method pay attention to the model validation?</p> <p>This is what I have in my base controller</p> <pre><code>public abstract class BaseController : Controller { [ValidateInput(false)] protected override void OnActionExecuting(ActionExecutingContext filterContext) { if ((Request.Params["api"] == null || string.IsNullOrEmpty(Request.Params["api"]))) return; if ((Request.Params["api"] != null &amp;&amp; !string.IsNullOrEmpty(Request.Params["api"]))) { if (Session["api"] == null) { Session["api"] = Request.Params["api"]; } } } </code></pre> <p>and below is an extract from my model</p> <pre><code>[MetadataType(typeof (MessagingMetaData))] public partial class Message { } public class MessagingMetaData { [Required] [Display(Name = "Message")] [DataType(DataType.Html)] [AllowHtml] public string Body { get; set; } } </code></pre> <p>here is the stack trace</p> <pre><code>[System.Web.HttpRequestValidationException] Exception Message: A potentially dangerous Request.Form value was detected from the client (Content=" sdafdsafdsafdsac__DisplayClass12.b__d(String value, String key) at Microsoft.Web.Infrastructure.DynamicValidationHelper.LazilyEvaluatedNameObjectEntry.ValidateObject() at Microsoft.Web.Infrastructure.DynamicValidationHelper.LazilyEvaluatedNameObjectEntry.GetValidatedObject() at Microsoft.Web.Infrastructure.DynamicValidationHelper.LazilyValidatingArrayList.get_Item(Int32 index) at System.Collections.Specialized.NameObjectCollectionBase.BaseGetKey(Int32 index) at System.Collections.Specialized.NameValueCollection.GetKey(Int32 index) at System.Collections.Specialized.NameValueCollection.Add(NameValueCollection c) at System.Web.HttpRequest.FillInParamsCollection() at System.Web.HttpRequest.GetParams() at System.Web.HttpRequest.get_Params() at System.Web.HttpRequestWrapper.get_Params() at ProjectX.BaseController.OnActionExecuting(ActionExecutingContext filterContext) at System.Web.Mvc.Controller.System.Web.Mvc.IActionFilter.OnActionExecuting(ActionExecutingContext filterContext) at System.Web.Mvc.ControllerActionInvoker.InvokeActionMethodFilter(IActionFilter filter, ActionExecutingContext preContext, Func`1 continuation) at System.Web.Mvc.ControllerActionInvoker.&lt;&gt;c__DisplayClass15.&lt;&gt;c__DisplayClass17.b__14() at System.Web.Mvc.ControllerActionInvoker.InvokeActionMethodWithFilters(ControllerContext controllerContext, IList`1 filters, ActionDescriptor actionDescriptor, IDictionary`2 parameters) at System.Web.Mvc.ControllerActionInvoker.InvokeAction(ControllerContext controllerContext, String actionName) at System.Web.Mvc.Controller.ExecuteCore() at System.Web.Mvc.ControllerBase.Execute(RequestContext requestContext) at System.Web.Mvc.ControllerBase.System.Web.Mvc.IController.Execute(RequestContext requestContext) at System.Web.Mvc.MvcHandler.&lt;&gt;c__DisplayClass6.&lt;&gt;c__DisplayClassb.b__5() at System.Web.Mvc.Async.AsyncResultWrapper.&lt;&gt;c__DisplayClass1.b__0() at System.Web.Mvc.Async.AsyncResultWrapper.&lt;&gt;c__DisplayClass8`1.b__7(IAsyncResult _) at System.Web.Mvc.Async.AsyncResultWrapper.WrappedAsyncResult`1.End() at System.Web.Mvc.Async.AsyncResultWrapper.End[TResult](IAsyncResult asyncResult, Object tag) at System.Web.Mvc.Async.AsyncResultWrapper.End(IAsyncResult asyncResult, Object tag) at System.Web.Mvc.MvcHandler.&lt;&gt;c__DisplayClasse.b__d() at System.Web.Mvc.SecurityUtil.b__0(Action f) at System.Web.Mvc.SecurityUtil.ProcessInApplicationTrust(Action action) at System.Web.Mvc.MvcHandler.EndProcessRequest(IAsyncResult asyncResult) at System.Web.Mvc.MvcHandler.System.Web.IHttpAsyncHandler.EndProcessRequest(IAsyncResult result) at System.Web.HttpApplication.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() at System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean&amp; completedSynchronously) </code></pre> <p>sorry for the layout would not copy new lines for some reason</p>
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