“/”应用程序中的服务器错误。

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[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: TCP Provider, error: 0 - 由于目标机器积极拒绝，无法连接。)]
   System.Data.ProviderBase.DbConnectionPool.GetConnection(DbConnection owningObject) +1316
   System.Data.ProviderBase.DbConnectionFactory.GetConnection(DbConnection owningConnection) +108
   System.Data.ProviderBase.DbConnectionClosed.OpenConnection(DbConnection outerConnection, DbConnectionFactory connectionFactory) +102
   System.Data.SqlClient.SqlConnection.Open() +125
   Kesion.DataBase.DBHelper.ExecuteDataset(CommandType commandType, String commandText) +27
   Kesion.SqlDAL.DataFactory.GetDataTable(String sqlstr) +58
   Kesion.DataBase.DBHelper.ExecuteDataset(String connectionString, CommandType commandType, String commandText, DbParameter[] commandParameters) +73
   System.Data.SqlClient.SqlConnection.Open() +125
   Kesion.Cache.MyCache.GetCacheModelTable() +178
   Kesion.DataBase.DBHelper.ExecuteDataset(CommandType commandType, String commandText) +27
   Kesion.SqlDAL.DataFactory.GetDataTable(String sqlstr) +58
   System.Data.ProviderBase.DbConnectionClosed.OpenConnection(DbConnection outerConnection, DbConnectionFactory connectionFactory) +126
   Kesion.Cache.MyCache.GetCacheModelTable() +178
   Kesion.DataBase.DBHelper.ExecuteDataset(CommandType commandType, String commandText) +27
   Kesion.Cache.MyCache.ReplaceSearchFormByModel() +400
   Kesion.SqlDAL.DataFactory.GetDataTable(String sqlstr) +58
   Kesion.DataBase.DBHelper.ExecuteDataset(String connectionString, CommandType commandType, String commandText, DbParameter[] commandParameters) +73
   Kesion.Cache.DataProvidor.GetDataTable(String sqlstr) +46
   Kesion.Cache.MyCache.ReplaceCommonLabel(String str) +125
   Kesion.Cache.MyCache.GetCacheModelTable() +178
   Kesion.G3.ReplaceG3Index.Run() +179
   Kesion.Cache.MyCache.ReplaceSearchFormByModel() +400
   Kesion.DataBase.DBHelper.ExecuteDataset(CommandType commandType, String commandText) +27
   Kesion.Cache.MyCache.ReplaceCommonLabel(String str) +125
   Kesion.SqlDAL.DataFactory.GetDataTable(String sqlstr) +58
   Kesion.HtmlTags.Function.ReadFile(String tempDir) +1503
   Kesion.Cache.DataProvidor.GetDataTable(String sqlstr) +46
   System.Web.Util.CalliHelper.EventArgFunctionCaller(IntPtr fp, Object o, Object t, EventArgs e) +14
   Kesion.Cache.MyCache.GetCacheModel(Int32 channelid, Int32 i) +441
   Kesion.Cache.MyCache.GetModelSetting(Int32 channelId, Int32 index) +58
   System.Web.Util.CalliHelper.EventArgFunctionCaller(IntPtr fp, Object o, Object t, EventArgs e) +14
   Kesion.HtmlTags.ReplaceContent..ctor(Int32 channelid, Int32 id) +133
   System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) +35
   Kesion.NET.WebSite.Model_View.Page_Load(Object sender, EventArgs e) +319
   System.Web.UI.Control.OnLoad(EventArgs e) +91
   System.Web.Util.CalliHelper.EventArgFunctionCaller(IntPtr fp, Object o, Object t, EventArgs e) +14
   System.Web.UI.Control.LoadRecursive() +74
   System.Web.UI.Control.OnLoad(EventArgs e) +91
   System.Web.UI.Control.LoadRecursive() +74
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +2207
   System.Web.UI.Control.LoadRecursive() +74
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +2207