Server Error in '/gongying' 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 131:
Line 132:                <ul class="clearfix cur">
Line 133:                    @Html.Raw(HCWJ.Business.SupplyBusiness.GetXGAreaAndClass(ViewBag.areaspell, ViewBag.classspell))
Line 134:                </ul>
Line 135:            </div>

Source File: d:\hc_www\WebSite\新建文件夹 (3)\新建文件夹 (3)\go.massdebaters.net\Views\OneSupply\ClassList.cshtml    Line: 133

Stack Trace:

[NullReferenceException: Object reference not set to an instance of an object.]
   HCWJ.Business.SupplyBusiness.GetXGAreaAndClass(String areaname, String classname) +661
   ASP._Page_Views_OneSupply_ClassList_cshtml.Execute() in d:\hc_www\WebSite\新建文件夹 (3)\新建文件夹 (3)\go.wjw.cn\Views\OneSupply\ClassList.cshtml:133
   System.Web.WebPages.WebPageBase.ExecutePageHierarchy() +279
   System.Web.Mvc.WebViewPage.ExecutePageHierarchy() +125
   System.Web.WebPages.StartPage.ExecutePageHierarchy() +142
   System.Web.WebPages.WebPageBase.ExecutePageHierarchy(WebPageContext pageContext, TextWriter writer, WebPageRenderingBase startPage) +109
   System.Web.Mvc.ViewResultBase.ExecuteResult(ControllerContext context) +379
   System.Web.Mvc.ControllerActionInvoker.InvokeActionResultFilterRecursive(IList`1 filters, Int32 filterIndex, ResultExecutingContext preContext, ControllerContext controllerContext, ActionResult actionResult) +108
   System.Web.Mvc.ControllerActionInvoker.InvokeActionResultFilterRecursive(IList`1 filters, Int32 filterIndex, ResultExecutingContext preContext, ControllerContext controllerContext, ActionResult actionResult) +890
   System.Web.Mvc.ControllerActionInvoker.InvokeActionResultFilterRecursive(IList`1 filters, Int32 filterIndex, ResultExecutingContext preContext, ControllerContext controllerContext, ActionResult actionResult) +890
   System.Web.Mvc.ControllerActionInvoker.InvokeActionResultWithFilters(ControllerContext controllerContext, IList`1 filters, ActionResult actionResult) +97
   System.Web.Mvc.Async.<>c__DisplayClass21.<BeginInvokeAction>b__1e(IAsyncResult asyncResult) +241
   System.Web.Mvc.Controller.<BeginExecuteCore>b__1d(IAsyncResult asyncResult, ExecuteCoreState innerState) +29
   System.Web.Mvc.Async.WrappedAsyncVoid`1.CallEndDelegate(IAsyncResult asyncResult) +111
   System.Web.Mvc.Controller.EndExecuteCore(IAsyncResult asyncResult) +53
   System.Web.Mvc.Async.WrappedAsyncVoid`1.CallEndDelegate(IAsyncResult asyncResult) +19
   System.Web.Mvc.MvcHandler.<BeginProcessRequest>b__5(IAsyncResult asyncResult, ProcessRequestState innerState) +51
   System.Web.Mvc.Async.WrappedAsyncVoid`1.CallEndDelegate(IAsyncResult asyncResult) +111
   System.Web.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +606
   System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +288


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.0.30319.18408

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