[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) +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) +1079
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
EnterpriseCommon.Database.SQLHelper.PrepareCommand(SqlCommand cmd, SqlConnection conn, SqlTransaction trans, String cmdText, IDataParameter[] cmdParms) +171
EnterpriseCommon.Database.SQLHelper.ExecuteSql(String SQLString, DataSet& ds, IDataParameter[] cmdParms) +231
EnterpriseCommon.Database.DataHelper.ExecuteSql(String SQLString, DataSet& ds, IDataParameter[] cmdParms) +95
EnterpriseDAL.MainSystem.sys_Data.GetList_Top(Int32 itop, String where) +283
EnterpriseBLL.MainSystem.sys_Data.GetList_Top(Int32 itop, String where) +132
EnterpriseBLL.UserBLL.uc_NewsWebPage.DataOne(Int32 ID) +171
WaterSupply.Page.info.pb() +270
WaterSupply.Page.info.Page_Load(Object sender, EventArgs e) +105
System.Web.UI.Control.LoadRecursive() +116
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +2910
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