Server Error in '/Home' 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:


Line 36:                    else
Line 37:                    {
Line 38:                        return new { src = firstItem?.ImageUrl, thumb = firstItem?.ImageUrl, desc = firstItem.ImageDesc };
Line 39:                    }
Line 40:                })))

Source File: F:\wwwroot\ImmigrationFrontEnd\Views\Home\cases.cshtml    Line: 38

Stack Trace:


[NullReferenceException: Object reference not set to an instance of an object.]
   ASP.<>c.<Execute>b__3_4(SuccessfulCaseModel p) in F:\wwwroot\ImmigrationFrontEnd\Views\Home\cases.cshtml:38
   System.Linq.WhereSelectListIterator`2.MoveNext() +110
   Newtonsoft.Json.Serialization.JsonSerializerInternalWriter.SerializeList(JsonWriter writer, IEnumerable values, JsonArrayContract contract, JsonProperty member, JsonContainerContract collectionContract, JsonProperty containerProperty) +269
   Newtonsoft.Json.Serialization.JsonSerializerInternalWriter.Serialize(JsonWriter jsonWriter, Object value, Type objectType) +407
   Newtonsoft.Json.JsonSerializer.SerializeInternal(JsonWriter jsonWriter, Object value, Type objectType) +1341
   Newtonsoft.Json.JsonConvert.SerializeObjectInternal(Object value, Type type, JsonSerializer jsonSerializer) +231
   Newtonsoft.Json.JsonConvert.SerializeObject(Object value) +26
   ASP._Page_Views_Home_cases_cshtml.<Execute>b__3_3() in F:\wwwroot\ImmigrationFrontEnd\Views\Home\cases.cshtml:30
   System.Web.WebPages.<>c__DisplayClass7.<RenderSection>b__5(TextWriter tw) +412
   System.Web.WebPages.WebPageBase.Write(HelperResult result) +108
   ASP._Page_Views_Shared__Layout_cshtml.Execute() in F:\wwwroot\ImmigrationFrontEnd\Views\Shared\_Layout.cshtml:132
   System.Web.WebPages.WebPageBase.ExecutePageHierarchy() +253
   System.Web.Mvc.WebViewPage.ExecutePageHierarchy() +148
   System.Web.WebPages.WebPageBase.ExecutePageHierarchy(WebPageContext pageContext, TextWriter writer, WebPageRenderingBase startPage) +122
   System.Web.WebPages.<>c__DisplayClass3.<RenderPageCore>b__2(TextWriter writer) +311
   System.Web.WebPages.WebPageBase.Write(HelperResult result) +108
   System.Web.WebPages.WebPageBase.RenderSurrounding(String partialViewName, Action`1 body) +89
   System.Web.WebPages.WebPageBase.PopContext() +310
   System.Web.Mvc.ViewResultBase.ExecuteResult(ControllerContext context) +375
   System.Web.Mvc.ControllerActionInvoker.InvokeActionResultFilterRecursive(IList`1 filters, Int32 filterIndex, ResultExecutingContext preContext, ControllerContext controllerContext, ActionResult actionResult) +90
   System.Web.Mvc.ControllerActionInvoker.InvokeActionResultFilterRecursive(IList`1 filters, Int32 filterIndex, ResultExecutingContext preContext, ControllerContext controllerContext, ActionResult actionResult) +833
   System.Web.Mvc.ControllerActionInvoker.InvokeActionResultFilterRecursive(IList`1 filters, Int32 filterIndex, ResultExecutingContext preContext, ControllerContext controllerContext, ActionResult actionResult) +833
   System.Web.Mvc.ControllerActionInvoker.InvokeActionResultWithFilters(ControllerContext controllerContext, IList`1 filters, ActionResult actionResult) +81
   System.Web.Mvc.Async.<>c__DisplayClass21.<BeginInvokeAction>b__1e(IAsyncResult asyncResult) +186
   System.Web.Mvc.Async.AsyncControllerActionInvoker.EndInvokeAction(IAsyncResult asyncResult) +38
   System.Web.Mvc.Controller.<BeginExecuteCore>b__1d(IAsyncResult asyncResult, ExecuteCoreState innerState) +29
   System.Web.Mvc.Async.WrappedAsyncVoid`1.CallEndDelegate(IAsyncResult asyncResult) +67
   System.Web.Mvc.Controller.EndExecuteCore(IAsyncResult asyncResult) +53
   System.Web.Mvc.Async.WrappedAsyncVoid`1.CallEndDelegate(IAsyncResult asyncResult) +36
   System.Web.Mvc.Controller.EndExecute(IAsyncResult asyncResult) +38
   System.Web.Mvc.MvcHandler.<BeginProcessRequest>b__5(IAsyncResult asyncResult, ProcessRequestState innerState) +44
   System.Web.Mvc.Async.WrappedAsyncVoid`1.CallEndDelegate(IAsyncResult asyncResult) +67
   System.Web.Mvc.MvcHandler.EndProcessRequest(IAsyncResult asyncResult) +38
   System.Web.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +399
   System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +137


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.6.1055.0