“/gongying”应用程序中的服务器错误。

未将对象引用设置到对象的实例。

说明: 执行当前 Web 请求期间,出现未经处理的异常。请检查堆栈跟踪信息,以了解有关该错误以及代码中导致错误的出处的详细信息。

异常详细信息: System.NullReferenceException: 未将对象引用设置到对象的实例。

源错误:


行 53:                     <ul class="cnews-inner" id="cnews-inner">
行 54:                         @{
行 55:                             foreach (var item in HCWJ.Business.HomeBusiness.GetGYSK())
行 56:                             {
行 57:                                 <li>

源文件: f:\webSite\go.wjw.cn2020-4-9\Views\Home\Index.cshtml    行: 55

堆栈跟踪:


[NullReferenceException: 未将对象引用设置到对象的实例。]
   HCORM.DapperEx.DbBase..ctor(String connectionStringName) in E:\链金源码\五金网\HCWJ\HCWJ.DapperEx\DbBase.cs:55
   HCWJ.Data.ContextFactory.CreateDbBase(String connectionStr) in G:\Windows Fuk2019710\Windows Fuk\新建文件夹\新建文件夹\供应\HCWJ\HCWJ.DAL\ContextFactory.cs:22
   HCWJ.Data.HomeData.GetGYSK() in G:\Windows Fuk2019710\Windows Fuk\新建文件夹\新建文件夹\供应\HCWJ\HCWJ.DAL\HomeData.cs:163
   HCWJ.Business.HomeBusiness.GetGYSK() in G:\Windows Fuk2019710\Windows Fuk\新建文件夹\新建文件夹\供应\HCWJ\HCWJ.Business\HomeBusiness.cs:125
   ASP._Page_Views_Home_Index_cshtml.Execute() in f:\webSite\go.wjw.cn2020-4-9\Views\Home\Index.cshtml:55
   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() +640
   System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +299


版本信息: Microsoft .NET Framework 版本:4.0.30319; ASP.NET 版本:4.0.30319.33440