“/”应用程序中的服务器错误。

找不到网络路径。

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.ComponentModel.Win32Exception: 找不到网络路径。

源错误:


行 25: 
行 26:             int id = MyCLib.StrClass.ConvertToInt(MyCLib.StrClass.GetRequest("id"), 1);           
行 27:             model = bll.GetModel(id);
行 28:             if (model != null)
行 29:             {

源文件: d:\WEBBACK\豪典\rjjl_show.aspx.cs    行: 27

堆栈跟踪:


[Win32Exception (0x80004005): 找不到网络路径。]

[SqlException (0x80131904): 在与 SQL Server 建立连接时出现与网络相关的或特定于实例的错误。未找到或无法访问服务器。请验证实例名称是否正确并且 SQL Server 已配置为允许远程连接。 (provider: Named Pipes Provider, error: 40 - 无法打开到 SQL Server 的连接)]
   System.Data.ProviderBase.DbConnectionPool.TryGetConnection(DbConnection owningObject, UInt32 waitForMultipleObjectsTimeout, Boolean allowCreate, Boolean onlyOneCheckConnection, DbConnectionOptions userOptions, DbConnectionInternal& connection) +353
   System.Data.ProviderBase.DbConnectionPool.TryGetConnection(DbConnection owningObject, TaskCompletionSource`1 retry, DbConnectionOptions userOptions, DbConnectionInternal& connection) +118
   System.Data.ProviderBase.DbConnectionFactory.TryGetConnection(DbConnection owningConnection, TaskCompletionSource`1 retry, DbConnectionOptions userOptions, DbConnectionInternal oldConnection, DbConnectionInternal& connection) +268
   System.Data.ProviderBase.DbConnectionInternal.TryOpenConnectionInternal(DbConnection outerConnection, DbConnectionFactory connectionFactory, TaskCompletionSource`1 retry, DbConnectionOptions userOptions) +315
   System.Data.SqlClient.SqlConnection.TryOpenInner(TaskCompletionSource`1 retry) +128
   System.Data.SqlClient.SqlConnection.TryOpen(TaskCompletionSource`1 retry) +265
   System.Data.SqlClient.SqlConnection.Open() +133
   Maticsoft.DBUtility.DbHelperSQL.PrepareCommand(SqlCommand cmd, SqlConnection conn, SqlTransaction trans, String cmdText, SqlParameter[] cmdParms) in E:\222\DBUtility\DbHelperSQL.cs:760
   Maticsoft.DBUtility.DbHelperSQL.Query(String SQLString, SqlParameter[] cmdParms) in E:\222\DBUtility\DbHelperSQL.cs:738
   myweb.DAL.softgbookDAL.GetModel(Int32 wwid) in E:\222\DAL\softgbookDAL.cs:236
   myweb.BLL.softgbookBLL.GetModel(Int32 wwid) in E:\222\BLL\softgbookBLL.cs:72
   rjjl_show.Page_Load(Object sender, EventArgs e) in d:\WEBBACK\豪典\rjjl_show.aspx.cs:27
   System.Web.UI.Control.OnLoad(EventArgs e) +108
   System.Web.UI.Control.LoadRecursive() +90
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +1607


版本信息: Microsoft .NET Framework 版本:4.0.30319; ASP.NET 版本:4.8.3928.0