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:


Line 14: string ogDescription = string.Format("<meta property='og:description' content='{0}' />", Model.lead); Line 15: string ogLocate = string.Format("<meta property='og:locale' content='fa' />"); Line 16: string ogImage = string.Format("<meta property='og:image' content='http://{0}{1}' />", Request.Url.Authority, @Model.image.Replace("~/", "/")); Line 17: string teiterTitle = string.Format("<meta property='twitter:site' value='{0}' />", @System.Configuration.ConfigurationManager.AppSettings["sitename"]); Line 18: string teitercard = "<meta name='twitter:card' content='summary_large_image' />";

Source File: c:\Portal\NoureKhouzestanNewspaper\Views\News\NewsItem.cshtml    Line: 16

Stack Trace:


[NullReferenceException: Object reference not set to an instance of an object.] ASP._Page_Views_News_NewsItem_cshtml.Execute() in c:\Portal\NoureKhouzestanNewspaper\Views\News\NewsItem.cshtml:16 System.Web.WebPages.WebPageBase.ExecutePageHierarchy() +251 System.Web.Mvc.WebViewPage.ExecutePageHierarchy() +147 System.Web.WebPages.StartPage.ExecutePageHierarchy() +85 System.Web.WebPages.WebPageBase.ExecutePageHierarchy(WebPageContext pageContext, TextWriter writer, WebPageRenderingBase startPage) +106 System.Web.Mvc.ViewResultBase.ExecuteResult(ControllerContext context) +377 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) +795 System.Web.Mvc.ControllerActionInvoker.InvokeActionResultFilterRecursive(IList`1 filters, Int32 filterIndex, ResultExecutingContext preContext, ControllerContext controllerContext, ActionResult actionResult) +795 System.Web.Mvc.ControllerActionInvoker.InvokeActionResultWithFilters(ControllerContext controllerContext, IList`1 filters, ActionResult actionResult) +81 System.Web.Mvc.ControllerActionInvoker.InvokeAction(ControllerContext controllerContext, String actionName) +971 System.Web.Mvc.Controller.ExecuteCore() +131 Triangle.Controllers.BaseController.ExecuteCore() in G:\Repositories\gitlab\NoorKhuzestanNewspaper\Triangle\Controllers\BaseController.cs:169 System.Web.Mvc.ControllerBase.Execute(RequestContext requestContext) +238 System.Web.Mvc.Async.<>c.<.cctor>b__15_0(IAsyncResult asyncResult, Action action) +24 System.Web.Mvc.Controller.EndExecute(IAsyncResult asyncResult) +59 System.Web.Mvc.<>c.<BeginProcessRequest>b__20_1(IAsyncResult asyncResult, ProcessRequestState innerState) +43 System.Web.Mvc.Async.WrappedAsyncVoid`1.CallEndDelegate(IAsyncResult asyncResult) +73 System.Web.Mvc.MvcHandler.EndProcessRequest(IAsyncResult asyncResult) +38 System.Web.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +431 System.Web.HttpApplication.ExecuteStepImpl(IExecutionStep step) +75 System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +158


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.8.4110.0