Server Error in '/' Application.

Object reference not set to an instance of an object.

Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.NullReferenceException: Object reference not set to an instance of an object.

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:


[NullReferenceException: Object reference not set to an instance of an object.]
   MyControls.CssBuilder.Render() +60
   MyControls.HtmlElement7.innercss(Object value) +292
   MyControls.HtmlElement7.css(Object value) +47
   MyControls.HtmlElementData.InnerRender(HeData hedata) +8920
   MyControls.HtmlElementData.Render(SiteManager sm, HeData hedata) +305
   MyControls.<>c__DisplayClass57_0.<InnerRender>b__0() +382
   MyControls.HtmlElement7.Add(Action action, Object[] values) +1657
   MyControls.HtmlElement7.Add(Action action) +40
   MyControls.HtmlElementData.InnerRender(HeData hedata) +9332
   MyControls.HtmlElementData.Render(SiteManager sm, HeData hedata) +305
   MyControls.<>c__DisplayClass57_0.<InnerRender>b__0() +382
   MyControls.HtmlElement7.Add(Action action, Object[] values) +1657
   MyControls.HtmlElement7.Add(Action action) +40
   MyControls.HtmlElementData.InnerRender(HeData hedata) +9332
   MyControls.HtmlElementData.Render(SiteManager sm, HeData hedata) +305
   MyControls.HtmlElementData.Render(SiteManager sm) +40
   MyControls.HtmlContainerData.Render(SiteManager sm) +122
   izmircar.Controllers.Site.<>c__DisplayClass1_1.<Index>b__4() +47
   MyControls.HtmlElement7.Add(Action action, Object[] values) +1657
   MyControls.HtmlElement7.Add(Action action) +40
   izmircar.Controllers.Site.<>c__DisplayClass1_0.<Index>b__1() +351
   MyControls.HtmlElement7.Add(Action action, Object[] values) +1657
   MyControls.HtmlElement7.Add(Action action) +40
   izmircar.Controllers.Site.<>c__DisplayClass1_0.<Index>b__0() +235
   MyControls.HtmlElement7.Add(Action action, Object[] values) +1657
   MyControls.HtmlElement7.Add(Action action) +40
   izmircar.Controllers.Site.Footer.Index() +513
   izmircar.Controllers.Site.Start.<RenderBody>b__4_0() +134
   MyControls.HtmlElement7.Add(Action action, Object[] values) +1657
   MyControls.HtmlElement7.Add(Action action) +40
   izmircar.Controllers.Site.Start.RenderBody() +121
   izmircar.Controllers.Site.Start.<Render>b__1_0() +40
   MyControls.HtmlElement7.Add(Action action, Object[] values) +1657
   MyControls.HtmlElement7.Add(Action action) +40
   izmircar.Controllers.Site.Start.Render() +390
   izmircar.SiteManager..ctor(Controller controller) +338
   izmircar.SiteController.Index() +53
   lambda_method(Closure , ControllerBase , Object[] ) +62
   System.Web.Mvc.<>c__DisplayClass10_0.<WrapVoidAction>b__0(ControllerBase controller, Object[] parameters) +14
   System.Web.Mvc.ActionMethodDispatcher.Execute(ControllerBase controller, Object[] parameters) +14
   System.Web.Mvc.ReflectedActionDescriptor.Execute(ControllerContext controllerContext, IDictionary`2 parameters) +157
   System.Web.Mvc.ControllerActionInvoker.InvokeActionMethod(ControllerContext controllerContext, ActionDescriptor actionDescriptor, IDictionary`2 parameters) +27
   System.Web.Mvc.Async.<>c.<BeginInvokeSynchronousActionMethod>b__9_0(IAsyncResult asyncResult, ActionInvocation innerInvokeState) +22
   System.Web.Mvc.Async.WrappedAsyncResult`2.CallEndDelegate(IAsyncResult asyncResult) +29
   System.Web.Mvc.Async.WrappedAsyncResultBase`1.End() +49
   System.Web.Mvc.Async.AsyncControllerActionInvoker.EndInvokeActionMethod(IAsyncResult asyncResult) +32
   System.Web.Mvc.Async.<>c__DisplayClass11_0.<InvokeActionMethodFilterAsynchronouslyRecursive>b__0() +58
   System.Web.Mvc.Async.<>c__DisplayClass11_2.<InvokeActionMethodFilterAsynchronouslyRecursive>b__2() +228
   System.Web.Mvc.Async.<>c__DisplayClass7_0.<BeginInvokeActionMethodWithFilters>b__1(IAsyncResult asyncResult) +10
   System.Web.Mvc.Async.WrappedAsyncResult`1.CallEndDelegate(IAsyncResult asyncResult) +10
   System.Web.Mvc.Async.WrappedAsyncResultBase`1.End() +49
   System.Web.Mvc.Async.AsyncControllerActionInvoker.EndInvokeActionMethodWithFilters(IAsyncResult asyncResult) +34
   System.Web.Mvc.Async.<>c__DisplayClass3_6.<BeginInvokeAction>b__4() +35
   System.Web.Mvc.Async.<>c__DisplayClass3_1.<BeginInvokeAction>b__1(IAsyncResult asyncResult) +100
   System.Web.Mvc.Async.WrappedAsyncResult`1.CallEndDelegate(IAsyncResult asyncResult) +10
   System.Web.Mvc.Async.WrappedAsyncResultBase`1.End() +49
   System.Web.Mvc.Async.AsyncControllerActionInvoker.EndInvokeAction(IAsyncResult asyncResult) +44
   System.Web.Mvc.<>c.<BeginExecuteCore>b__152_1(IAsyncResult asyncResult, ExecuteCoreState innerState) +11
   System.Web.Mvc.Async.WrappedAsyncVoid`1.CallEndDelegate(IAsyncResult asyncResult) +29
   System.Web.Mvc.Async.WrappedAsyncResultBase`1.End() +49
   System.Web.Mvc.Controller.EndExecuteCore(IAsyncResult asyncResult) +64
   System.Web.Mvc.<>c.<BeginExecute>b__151_2(IAsyncResult asyncResult, Controller controller) +13
   System.Web.Mvc.Async.WrappedAsyncVoid`1.CallEndDelegate(IAsyncResult asyncResult) +22
   System.Web.Mvc.Async.WrappedAsyncResultBase`1.End() +49
   System.Web.Mvc.Controller.EndExecute(IAsyncResult asyncResult) +28
   System.Web.Mvc.Controller.System.Web.Mvc.Async.IAsyncController.EndExecute(IAsyncResult asyncResult) +10
   System.Web.Mvc.<>c.<BeginProcessRequest>b__20_1(IAsyncResult asyncResult, ProcessRequestState innerState) +28
   System.Web.Mvc.Async.WrappedAsyncVoid`1.CallEndDelegate(IAsyncResult asyncResult) +29
   System.Web.Mvc.Async.WrappedAsyncResultBase`1.End() +49
   System.Web.Mvc.MvcHandler.EndProcessRequest(IAsyncResult asyncResult) +28
   System.Web.Mvc.MvcHandler.System.Web.IHttpAsyncHandler.EndProcessRequest(IAsyncResult result) +9
   System.Web.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +9851493
   System.Web.HttpApplication.ExecuteStepImpl(IExecutionStep step) +50
   System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +163


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.8.4700.0