[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
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