Server Error in '/expo' Application.

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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.ComponentModel.Win32Exception: 龙8国际娱乐网页版-龙8国际手机版-龙8国际登录

Source Error:


Line 28:     int days = DateHelper.Days(item.ZhanHuiStartTime);
Line 29:     List<ExhibitionEntity> top6Recom = ExhibitionEntityBll.GetTop6Recom(); //推荐展会,6个
Line 30:     int allCount = YixiangCorporationSvr.Instance.GetAllCount() + 15000;//所有数量+15000
Line 31:     var todayCount = YixiangCorporationSvr.Instance.GetTodayCount() + 20;//今天注册的数量+20
Line 32:     string sponsorUnit = item.SponsorUnit;//主办单位

Source File: d:\wangyongpeng\zhanhuipindao\0.0.3\Views\ExhibitionEntity\Detail.cshtml    Line: 30

Stack Trace:


[Win32Exception (0x80004005): 龙8国际娱乐网页版-龙8国际手机版-龙8国际登录]

[SqlException (0x80131904): A network-related or instance-specific error occurred while establishing a connection to SQL Server. The server was not found or was not accessible. Verify that the instance name is correct and that SQL Server is configured to allow remote connections. (provider: Named Pipes Provider, error: 40 - Could not open a connection to SQL Server)]
   System.Data.ProviderBase.DbConnectionPool.TryGetConnection(DbConnection owningObject, UInt32 waitForMultipleObjectsTimeout, Boolean allowCreate, Boolean onlyOneCheckConnection, DbConnectionOptions userOptions, DbConnectionInternal& connection) +642
   System.Data.ProviderBase.DbConnectionPool.TryGetConnection(DbConnection owningObject, TaskCompletionSource`1 retry, DbConnectionOptions userOptions, DbConnectionInternal& connection) +122
   System.Data.ProviderBase.DbConnectionFactory.TryGetConnection(DbConnection owningConnection, TaskCompletionSource`1 retry, DbConnectionOptions userOptions, DbConnectionInternal oldConnection, DbConnectionInternal& connection) +1088
   System.Data.ProviderBase.DbConnectionInternal.TryOpenConnectionInternal(DbConnection outerConnection, DbConnectionFactory connectionFactory, TaskCompletionSource`1 retry, DbConnectionOptions userOptions) +319
   System.Data.SqlClient.SqlConnection.TryOpenInner(TaskCompletionSource`1 retry) +229
   System.Data.SqlClient.SqlConnection.TryOpen(TaskCompletionSource`1 retry) +326
   System.Data.SqlClient.SqlConnection.Open() +241
   IBatisNet.DataMapper.SqlMapSession.OpenConnection(String connectionString) +441

[DataMapperException: Unable to open connection to "Microsoft SQL Server, provider V2.0.0.0 in framework .NET V2.0".]
   IBatisNet.DataMapper.SqlMapSession.OpenConnection(String connectionString) +958
   IBatisNet.DataMapper.Commands.DbCommandDecorator.System.Data.IDbCommand.ExecuteReader() +34
   IBatisNet.DataMapper.MappedStatements.MappedStatement.RunQueryForObject(RequestScope request, ISqlMapSession session, Object parameterObject, T resultObject) +102
   IBatisNet.DataMapper.MappedStatements.MappedStatement.ExecuteQueryForObject(ISqlMapSession session, Object parameterObject, T resultObject) +128
   IBatisNet.DataMapper.MappedStatements.MappedStatement.ExecuteQueryForObject(ISqlMapSession session, Object parameterObject) +52
   IBatisNet.DataMapper.SqlMapper.QueryForObject(String statementName, Object parameterObject) +387
   TjCom.Dao.Service.YixiangCorporationSvr.GetAllCount() in D:\糖玖网络\公司项目\tangjiu.comWap\tangjiu.com.dao\TjCom.Dao\TjCom.Dao\Service\yixiang_corporationSvr.cs:741
   ASP._Page_Views_ExhibitionEntity_Detail_cshtml.Execute() in d:\wangyongpeng\zhanhuipindao\0.0.3\Views\ExhibitionEntity\Detail.cshtml:30
   System.Web.WebPages.WebPageBase.ExecutePageHierarchy() +280
   System.Web.Mvc.WebViewPage.ExecutePageHierarchy() +125
   System.Web.WebPages.WebPageBase.ExecutePageHierarchy(WebPageContext pageContext, TextWriter writer, WebPageRenderingBase startPage) +181
   System.Web.Mvc.ViewResultBase.ExecuteResult(ControllerContext context) +380
   System.Web.Mvc.<>c__DisplayClass1a.<InvokeActionResultWithFilters>b__17() +33
   System.Web.Mvc.ControllerActionInvoker.InvokeActionResultFilter(IResultFilter filter, ResultExecutingContext preContext, Func`1 continuation) +613
   System.Web.Mvc.ControllerActionInvoker.InvokeActionResultWithFilters(ControllerContext controllerContext, IList`1 filters, ActionResult actionResult) +263
   System.Web.Mvc.Async.<>c__DisplayClass25.<BeginInvokeAction>b__22(IAsyncResult asyncResult) +240
   System.Web.Mvc.<>c__DisplayClass1d.<BeginExecuteCore>b__18(IAsyncResult asyncResult) +28
   System.Web.Mvc.Async.<>c__DisplayClass4.<MakeVoidDelegate>b__3(IAsyncResult ar) +15
   System.Web.Mvc.Controller.EndExecuteCore(IAsyncResult asyncResult) +63
   System.Web.Mvc.Async.<>c__DisplayClass4.<MakeVoidDelegate>b__3(IAsyncResult ar) +15
   System.Web.Mvc.<>c__DisplayClass8.<BeginProcessRequest>b__3(IAsyncResult asyncResult) +42
   System.Web.Mvc.Async.<>c__DisplayClass4.<MakeVoidDelegate>b__3(IAsyncResult ar) +15
   System.Web.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +640
   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