在建立与服务器的联接时出错。在连接到 SQL Server 2005 时,在默认的设置下

在建立与服务器的连接时出错。在连接到 SQL Server 2005 时,在默认的设置下
“/FastfoodText”应用程序中的服务器错误。
在建立与服务器的连接时出错。在连接到 SQL Server 2005 时,在默认的设置下 SQL Server 不允许进行远程连接可能会导致此失败。 (provider: TCP 提供程序, error: 0 - 由于连接方在一段时间后没有正确答复或连接的主机没有反应,连接尝试失败。)
说明: 执行当前 Web 请求期间,出现未处理的异常。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.Data.SqlClient.SqlException: 在建立与服务器的连接时出错。在连接到 SQL Server 2005 时,在默认的设置下 SQL Server 不允许进行远程连接可能会导致此失败。 (provider: TCP 提供程序, error: 0 - 由于连接方在一段时间后没有正确答复或连接的主机没有反应,连接尝试失败。)

源错误:

行 25: else if (connection.State == System.Data.ConnectionState.Closed)
行 26: {
行 27: connection.Open();
行 28: }
行 29: else if (connection.State == System.Data.ConnectionState.Broken)


源文件: C:\Documents and Settings\Administrator\桌面\59快餐\Fastfood\Fastfood\DAL\DBHelper.cs 行: 27

堆栈跟踪:

[SqlException (0x80131904): 在建立与服务器的连接时出错。在连接到 SQL Server 2005 时,在默认的设置下 SQL Server 不允许进行远程连接可能会导致此失败。 (provider: TCP 提供程序, error: 0 - 由于连接方在一段时间后没有正确答复或连接的主机没有反应,连接尝试失败。)]
  System.Data.SqlClient.SqlInternalConnection.OnError(SqlException exception, Boolean breakConnection) +821651
  System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj) +186
  System.Data.SqlClient.TdsParser.Connect(ServerInfo serverInfo, SqlInternalConnectionTds connHandler, Boolean ignoreSniOpenTimeout, Int64 timerExpire, Boolean encrypt, Boolean trustServerCert, Boolean integratedSecurity, SqlConnection owningObject) +759074
  System.Data.SqlClient.SqlInternalConnectionTds.AttemptOneLogin(ServerInfo serverInfo, String newPassword, Boolean ignoreSniOpenTimeout, Int64 timerExpire, SqlConnection owningObject) +114
  System.Data.SqlClient.SqlInternalConnectionTds.LoginNoFailover(String host, String newPassword, Boolean redirectedUserInstance, SqlConnection owningObject, SqlConnectionString connectionOptions, Int64 timerStart) +381
  System.Data.SqlClient.SqlInternalConnectionTds.OpenLoginEnlist(SqlConnection owningObject, SqlConnectionString connectionOptions, String newPassword, Boolean redirectedUserInstance) +181
  System.Data.SqlClient.SqlInternalConnectionTds..ctor(DbConnectionPoolIdentity identity, SqlConnectionString connectionOptions, Object providerInfo, String newPassword, SqlConnection owningObject, Boolean redirectedUserInstance) +173
  System.Data.SqlClient.SqlConnectionFactory.CreateConnection(DbConnectionOptions options, Object poolGroupProviderInfo, DbConnectionPool pool, DbConnection owningConnection) +357
  System.Data.ProviderBase.DbConnectionFactory.CreatePooledConnection(DbConnection owningConnection, DbConnectionPool pool, DbConnectionOptions options) +30
  System.Data.ProviderBase.DbConnectionPool.CreateObject(DbConnection owningObject) +424
  System.Data.ProviderBase.DbConnectionPool.UserCreateRequest(DbConnection owningObject) +66
  System.Data.ProviderBase.DbConnectionPool.GetConnection(DbConnection owningObject) +494
  System.Data.ProviderBase.DbConnectionFactory.GetConnection(DbConnection owningConnection) +82
  System.Data.ProviderBase.DbConnectionClosed.OpenConnection(DbConnection outerConnection, DbConnectionFactory connectionFactory) +105
  System.Data.SqlClient.SqlConnection.Open() +111
  DAL.DBHelper.get_Connection() in C:\Documents and Settings\Administrator\桌面\59快餐\Fastfood\Fastfood\DAL\DBHelper.cs:27
  DAL.DBHelper.GetDataSet(String safeSql) in C:\Documents and Settings\Administrator\桌面\59快餐\Fastfood\Fastfood\DAL\DBHelper.cs:133
  _Default.Page_Load(Object sender, EventArgs e) in c:\Documents and Settings\Administrator\桌面\59快餐\Fastfood\FastfoodText\Default.aspx.cs:39
  System.Web.Util.CalliHelper.EventArgFunctionCaller(IntPtr fp, Object o, Object t, EventArgs e) +15
  System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) +33