“/”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 19:         private static void PrepareCommand(SqlCommand cmd, SqlConnection conn, SqlTransaction trans, CommandType cmdType, string cmdText, SqlParameter[] cmdParms)
行 20:         {
行 21:             if (conn.State != ConnectionState.Open) { conn.Open(); }//判断数据库连接状态
行 22:             cmd.Connection = conn;
行 23:             cmd.CommandText = cmdText;

源文件: d:\com_ourger_www\App_Code\com\SqlHelper.cs    行: 21

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
   com.SqlHelper.PrepareCommand(SqlCommand cmd, SqlConnection conn, SqlTransaction trans, CommandType cmdType, String cmdText, SqlParameter[] cmdParms) in d:\com_ourger_www\App_Code\com\SqlHelper.cs:21
   com.SqlHelper.ExecuteNonQuery(String connectionString, CommandType cmdType, String cmdText, SqlParameter[] commandParameters) in d:\com_ourger_www\App_Code\com\SqlHelper.cs:48
   com.SqlHelper.ExecuteNonQuery(CommandType cmdType, String cmdText, SqlParameter[] commandParameters) in d:\com_ourger_www\App_Code\com\SqlHelper.cs:54
   com.SqlHelper.ExecuteNonQuery(String cmdText, SqlParameter[] commandParameters) in d:\com_ourger_www\App_Code\com\SqlHelper.cs:58
   Record.AdvertHit(HttpContext context) in d:\com_ourger_www\Handler\Record.ashx:22
   Record.ProcessRequest(HttpContext context) in d:\com_ourger_www\Handler\Record.ashx:79
   System.Web.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +542
   System.Web.HttpApplication.ExecuteStepImpl(IExecutionStep step) +75
   System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +93


版本信息: Microsoft .NET Framework 版本:4.0.30319; ASP.NET 版本:4.8.4110.0