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📄 err01.txt

📁 教务管理系统：学生成绩管理
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12 
   at System.Data.SqlClient.SqlConnection.Open()
   at System.Data.Common.DbDataAdapter.QuietOpen(IDbConnection connection, ConnectionState& originalState)
   at System.Data.Common.DbDataAdapter.FillFromCommand(Object data, Int32 startRecord, Int32 maxRecords, String srcTable, IDbCommand command, CommandBehavior behavior)
   at System.Data.Common.DbDataAdapter.Fill(DataTable dataTable, IDbCommand command, CommandBehavior behavior)
   at System.Data.Common.DbDataAdapter.Fill(DataTable dataTable)
   at StudentManager.DataSql.GetDataTable(String sql) in L:\ch10 在 teacher (Teacher) 上\StudentManager\DataSql.vb:line 21
2008-5-12 22:38:32
未将对象引用设置到对象的实例。
   at LoadLibraryW(UInt16* )
   at System.EnterpriseServices.Thunk.Security.Init()
   at System.EnterpriseServices.Thunk.Security.SuspendImpersonation()
   at System.EnterpriseServices.Platform.Initialize()
   at System.EnterpriseServices.Platform.get_W2K()
   at System.EnterpriseServices.ResourcePool..ctor(TransactionEndDelegate cb)
   at System.Data.SqlClient.ConnectionPool.CreateResourcePool()
   at System.Data.SqlClient.ConnectionPool..ctor(DefaultPoolControl ctrl)
   at System.Data.SqlClient.PoolManager.FindOrCreatePool(DefaultPoolControl ctrl)
   at System.Data.SqlClient.SqlConnectionPoolManager.GetPooledConnection(SqlConnectionString options, Boolean& isInTransaction)
   at System.Data.SqlClient.SqlConnection.Open()
   at System.Data.Common.DbDataAdapter.QuietOpen(IDbConnection connection, ConnectionState& originalState)
   at System.Data.Common.DbDataAdapter.FillFromCommand(Object data, Int32 startRecord, Int32 maxRecords, String srcTable, IDbCommand command, CommandBehavior behavior)
   at System.Data.Common.DbDataAdapter.Fill(DataTable dataTable, IDbCommand command, CommandBehavior behavior)
   at System.Data.Common.DbDataAdapter.Fill(DataTable dataTable)
   at StudentManager.DataSql.GetDataTable(String sql) in L:\ch10 在 teacher (Teacher) 上\StudentManager\DataSql.vb:line 21
2008-5-12 22:39:32
未将对象引用设置到对象的实例。
   at LoadLibraryW(UInt16* )
   at System.EnterpriseServices.Thunk.Security.Init()
   at System.EnterpriseServices.Thunk.Security.SuspendImpersonation()
   at System.EnterpriseServices.Platform.Initialize()
   at System.EnterpriseServices.Platform.get_W2K()
   at System.EnterpriseServices.ResourcePool..ctor(TransactionEndDelegate cb)
   at System.Data.SqlClient.ConnectionPool.CreateResourcePool()
   at System.Data.SqlClient.ConnectionPool..ctor(DefaultPoolControl ctrl)
   at System.Data.SqlClient.PoolManager.FindOrCreatePool(DefaultPoolControl ctrl)
   at System.Data.SqlClient.SqlConnectionPoolManager.GetPooledConnection(SqlConnectionString options, Boolean& isInTransaction)
   at System.Data.SqlClient.SqlConnection.Open()
   at System.Data.Common.DbDataAdapter.QuietOpen(IDbConnection connection, ConnectionState& originalState)
   at System.Data.Common.DbDataAdapter.FillFromCommand(Object data, Int32 startRecord, Int32 maxRecords, String srcTable, IDbCommand command, CommandBehavior behavior)
   at System.Data.Common.DbDataAdapter.Fill(DataTable dataTable, IDbCommand command, CommandBehavior behavior)
   at System.Data.Common.DbDataAdapter.Fill(DataTable dataTable)
   at StudentManager.DataSql.GetDataTable(String sql) in L:\ch10 在 teacher (Teacher) 上\StudentManager\DataSql.vb:line 21
2008-5-12 22:40:06
未将对象引用设置到对象的实例。
   at LoadLibraryW(UInt16* )
   at System.EnterpriseServices.Thunk.Security.Init()
   at System.EnterpriseServices.Thunk.Security.SuspendImpersonation()
   at System.EnterpriseServices.Platform.Initialize()
   at System.EnterpriseServices.Platform.get_W2K()
   at System.EnterpriseServices.ResourcePool..ctor(TransactionEndDelegate cb)
   at System.Data.SqlClient.ConnectionPool.CreateResourcePool()
   at System.Data.SqlClient.ConnectionPool..ctor(DefaultPoolControl ctrl)
   at System.Data.SqlClient.PoolManager.FindOrCreatePool(DefaultPoolControl ctrl)
   at System.Data.SqlClient.SqlConnectionPoolManager.GetPooledConnection(SqlConnectionString options, Boolean& isInTransaction)
   at System.Data.SqlClient.SqlConnection.Open()
   at System.Data.Common.DbDataAdapter.QuietOpen(IDbConnection connection, ConnectionState& originalState)
   at System.Data.Common.DbDataAdapter.FillFromCommand(Object data, Int32 startRecord, Int32 maxRecords, String srcTable, IDbCommand command, CommandBehavior behavior)
   at System.Data.Common.DbDataAdapter.Fill(DataTable dataTable, IDbCommand command, CommandBehavior behavior)
   at System.Data.Common.DbDataAdapter.Fill(DataTable dataTable)
   at StudentManager.DataSql.GetDataTable(String sql) in L:\ch10 在 teacher (Teacher) 上\StudentManager\DataSql.vb:line 21
2008-5-12 22:40:11
未将对象引用设置到对象的实例。
   at LoadLibraryW(UInt16* )
   at System.EnterpriseServices.Thunk.Security.Init()
   at System.EnterpriseServices.Thunk.Security.SuspendImpersonation()
   at System.EnterpriseServices.Platform.Initialize()
   at System.EnterpriseServices.Platform.get_W2K()
   at System.EnterpriseServices.ResourcePool..ctor(TransactionEndDelegate cb)
   at System.Data.SqlClient.ConnectionPool.CreateResourcePool()
   at System.Data.SqlClient.ConnectionPool..ctor(DefaultPoolControl ctrl)
   at System.Data.SqlClient.PoolManager.FindOrCreatePool(DefaultPoolControl ctrl)
   at System.Data.SqlClient.SqlConnectionPoolManager.GetPooledConnection(SqlConnectionString options, Boolean& isInTransaction)
   at System.Data.SqlClient.SqlConnection.Open()
   at System.Data.Common.DbDataAdapter.QuietOpen(IDbConnection connection, ConnectionState& originalState)
   at System.Data.Common.DbDataAdapter.FillFromCommand(Object data, Int32 startRecord, Int32 maxRecords, String srcTable, IDbCommand command, CommandBehavior behavior)
   at System.Data.Common.DbDataAdapter.Fill(DataTable dataTable, IDbCommand command, CommandBehavior behavior)
   at System.Data.Common.DbDataAdapter.Fill(DataTable dataTable)
   at StudentManager.DataSql.GetDataTable(String sql) in L:\ch10 在 teacher (Teacher) 上\StudentManager\DataSql.vb:line 21
2008-5-15 22:52:37
未将对象引用设置到对象的实例。
   at LoadLibraryW(UInt16* )
   at System.EnterpriseServices.Thunk.Security.Init()
   at System.EnterpriseServices.Thunk.Security.SuspendImpersonation()
   at System.EnterpriseServices.Platform.Initialize()
   at System.EnterpriseServices.Platform.get_W2K()
   at System.EnterpriseServices.ResourcePool..ctor(TransactionEndDelegate cb)
   at System.Data.SqlClient.ConnectionPool.CreateResourcePool()
   at System.Data.SqlClient.ConnectionPool..ctor(DefaultPoolControl ctrl)
   at System.Data.SqlClient.PoolManager.FindOrCreatePool(DefaultPoolControl ctrl)
   at System.Data.SqlClient.SqlConnectionPoolManager.GetPooledConnection(SqlConnectionString options, Boolean& isInTransaction)
   at System.Data.SqlClient.SqlConnection.Open()
   at System.Data.Common.DbDataAdapter.QuietOpen(IDbConnection connection, ConnectionState& originalState)
   at System.Data.Common.DbDataAdapter.FillFromCommand(Object data, Int32 startRecord, Int32 maxRecords, String srcTable, IDbCommand command, CommandBehavior behavior)
   at System.Data.Common.DbDataAdapter.Fill(DataTable dataTable, IDbCommand command, CommandBehavior behavior)
   at System.Data.Common.DbDataAdapter.Fill(DataTable dataTable)
   at StudentManager.DataSql.GetDataTable(String sql) in L:\ch10 在 teacher (Teacher) 上\StudentManager\DataSql.vb:line 21
2008-5-15 22:52:37
未将对象引用设置到对象的实例。
   at LoadLibraryW(UInt16* )
   at System.EnterpriseServices.Thunk.Security.Init()
   at System.EnterpriseServices.Thunk.Security.SuspendImpersonation()
   at System.EnterpriseServices.Platform.Initialize()
   at System.EnterpriseServices.Platform.get_W2K()
   at System.EnterpriseServices.ResourcePool..ctor(TransactionEndDelegate cb)
   at System.Data.SqlClient.ConnectionPool.CreateResourcePool()
   at System.Data.SqlClient.ConnectionPool..ctor(DefaultPoolControl ctrl)
   at System.Data.SqlClient.PoolManager.FindOrCreatePool(DefaultPoolControl ctrl)
   at System.Data.SqlClient.SqlConnectionPoolManager.GetPooledConnection(SqlConnectionString options, Boolean& isInTransaction)
   at System.Data.SqlClient.SqlConnection.Open()
   at System.Data.Common.DbDataAdapter.QuietOpen(IDbConnection connection, ConnectionState& originalState)
   at System.Data.Common.DbDataAdapter.FillFromCommand(Object data, Int32 startRecord, Int32 maxRecords, String srcTable, IDbCommand command, CommandBehavior behavior)
   at System.Data.Common.DbDataAdapter.Fill(DataTable dataTable, IDbCommand command, CommandBehavior behavior)
   at System.Data.Common.DbDataAdapter.Fill(DataTable dataTable)
   at StudentManager.DataSql.GetDataTable(String sql) in L:\ch10 在 teacher (Teacher) 上\StudentManager\DataSql.vb:line 21
2008-5-15 22:53:23
未将对象引用设置到对象的实例。
   at LoadLibraryW(UInt16* )
   at System.EnterpriseServices.Thunk.Security.Init()
   at System.EnterpriseServices.Thunk.Security.SuspendImpersonation()
   at System.EnterpriseServices.Platform.Initialize()
   at System.EnterpriseServices.Platform.get_W2K()
   at System.EnterpriseServices.ResourcePool..ctor(TransactionEndDelegate cb)
   at System.Data.SqlClient.ConnectionPool.CreateResourcePool()
   at System.Data.SqlClient.ConnectionPool..ctor(DefaultPoolControl ctrl)
   at System.Data.SqlClient.PoolManager.FindOrCreatePool(DefaultPoolControl ctrl)
   at System.Data.SqlClient.SqlConnectionPoolManager.GetPooledConnection(SqlConnectionString options, Boolean& isInTransaction)
   at System.Data.SqlClient.SqlConnection.Open()
   at System.Data.Common.DbDataAdapter.QuietOpen(IDbConnection connection, ConnectionState& originalState)
   at System.Data.Common.DbDataAdapter.FillFromCommand(Object data, Int32 startRecord, Int32 maxRecords, String srcTable, IDbCommand command, CommandBehavior behavior)
   at System.Data.Common.DbDataAdapter.Fill(DataTable dataTable, IDbCommand command, CommandBehavior behavior)
   at System.Data.Common.DbDataAdapter.Fill(DataTable dataTable)
   at StudentManager.DataSql.GetDataTable(String sql) in L:\ch10 在 teacher (Teacher) 上\StudentManager\DataSql.vb:line 21
2008-5-15 22:53:23
未将对象引用设置到对象的实例。
   at LoadLibraryW(UInt16* )
   at System.EnterpriseServices.Thunk.Security.Init()
   at System.EnterpriseServices.Thunk.Security.SuspendImpersonation()
   at System.EnterpriseServices.Platform.Initialize()
   at System.EnterpriseServices.Platform.get_W2K()
   at System.EnterpriseServices.ResourcePool..ctor(TransactionEndDelegate cb)
   at System.Data.SqlClient.ConnectionPool.CreateResourcePool()
   at System.Data.SqlClient.ConnectionPool..ctor(DefaultPoolControl ctrl)
   at System.Data.SqlClient.PoolManager.FindOrCreatePool(DefaultPoolControl ctrl)
   at System.Data.SqlClient.SqlConnectionPoolManager.GetPooledConnection(SqlConnectionString options, Boolean& isInTransaction)
   at System.Data.SqlClient.SqlConnection.Open()
   at System.Data.Common.DbDataAdapter.QuietOpen(IDbConnection connection, ConnectionState& originalState)
   at System.Data.Common.DbDataAdapter.FillFromCommand(Object data, Int32 startRecord, Int32 maxRecords, String srcTable, IDbCommand command, CommandBehavior behavior)
   at System.Data.Common.DbDataAdapter.Fill(DataTable dataTable, IDbCommand command, CommandBehavior behavior)
   at System.Data.Common.DbDataAdapter.Fill(DataTable dataTable)
   at StudentManager.DataSql.GetDataTable(String sql) in L:\ch10 在 teacher (Teacher) 上\StudentManager\DataSql.vb:line 21
12

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