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" 2006-8-22 22:11:21 System.Data.SqlClient.SqlException: 该用户名不存在 at System.Data.SqlClient.SqlCommand.ExecuteNonQuery() at 数据库项目._Mod.execSql(String sql) "," 2006-8-22 22:25:26 System.Data.SqlClient.SqlException: 该用户名不存在 at System.Data.SqlClient.SqlCommand.ExecuteNonQuery() at 数据库项目._Mod.execSql(String sql) in C:\Documents and Settings\heyi\桌面\数据库实验（SQLSERVER2000）\vb\数据库项目\数据库项目\Mod.vb:line 61 "," 2006-8-22 22:25:44 System.Data.SqlClient.SqlException: 该用户名不存在 at System.Data.SqlClient.SqlCommand.ExecuteNonQuery() at 数据库项目._Mod.execSql(String sql) in C:\Documents and Settings\heyi\桌面\数据库实验（SQLSERVER2000）\vb\数据库项目\数据库项目\Mod.vb:line 61 "," 2006-8-22 22:29:13 System.Data.SqlClient.SqlException: 列的插入或更新与先前的 CREATE RULE 语句所强制的规则冲突。该语句已终止。冲突发生于数据库 'mygroup'，表 'users'，列 'id'。 语句已终止。 at System.Data.SqlClient.SqlCommand.ExecuteNonQuery() at 数据库项目._Mod.execSql(String sql) in C:\Documents and Settings\heyi\桌面\数据库实验（SQLSERVER2000）\vb\数据库项目\数据库项目\Mod.vb:line 61 "," 2006-8-24 9:51:59 System.Data.SqlClient.SqlException: 该用户名不存在 at System.Data.SqlClient.SqlCommand.ExecuteNonQuery() at 数据库项目._Mod.execSql(String sql) in C:\Documents and Settings\Administrator\桌面\我的群\数据库项目\数据库项目\Mod.vb:line 61 "," 2006-8-24 9:52:21 System.Data.SqlClient.SqlException: 该用户已经在你的好友列表当中 at System.Data.SqlClient.SqlCommand.ExecuteNonQuery() at 数据库项目._Mod.execSql(String sql) in C:\Documents and Settings\Administrator\桌面\我的群\数据库项目\数据库项目\Mod.vb:line 61 "," 2006-8-24 9:57:52 System.Data.SqlClient.SqlException: 已经有一个用户以该帐号登录 at System.Data.SqlClient.SqlCommand.ExecuteNonQuery() at 数据库项目._Mod.execSql(String sql) in C:\Documents and Settings\Administrator\桌面\我的群\数据库项目\数据库项目\Mod.vb:line 61 "," 2006-8-24 10:05:08 System.Data.SqlClient.SqlException: 已经有一个用户以该帐号登录 at System.Data.SqlClient.SqlCommand.ExecuteNonQuery() at 数据库项目._Mod.execSql(String sql) in C:\Documents and Settings\Administrator\桌面\我的群\数据库项目\数据库项目\Mod.vb:line 61 "," 2006-8-24 10:06:11 System.Data.SqlClient.SqlException: 密码错误 at System.Data.SqlClient.SqlCommand.ExecuteNonQuery() at 数据库项目._Mod.execSql(String sql) in C:\Documents and Settings\Administrator\桌面\我的群\数据库项目\数据库项目\Mod.vb:line 61 "," 2006-8-24 10:11:45 System.InvalidOperationException: ConnectionString 属性尚未初始化。 at System.Data.SqlClient.SqlConnection.Open() at 数据库项目._Mod.exec(String sql) in C:\Documents and Settings\Administrator\桌面\我的群\数据库项目\数据库项目\Mod.vb:line 20 "," 2006-9-11 19:34:40 System.Data.SqlClient.SqlException: 该用户名不存在 at System.Data.SqlClient.SqlCommand.ExecuteNonQuery() at 数据库项目._Mod.execSql(String sql) in C:\Documents and Settings\Administrator\桌面\我的群\数据库项目\数据库项目\Mod.vb:line 61 "," 2006-9-11 19:36:13 System.InvalidOperationException: ConnectionString 属性尚未初始化。 at System.Data.SqlClient.SqlConnection.Open() at 数据库项目._Mod.exec(String sql) in C:\Documents and Settings\Administrator\桌面\我的群\数据库项目\数据库项目\Mod.vb:line 20 "," 2006-9-11 19:36:40 System.InvalidOperationException: ConnectionString 属性尚未初始化。 at System.Data.SqlClient.SqlConnection.Open() at 数据库项目._Mod.exec(String sql) in C:\Documents and Settings\Administrator\桌面\我的群\数据库项目\数据库项目\Mod.vb:line 20 "," 2006-9-11 20:20:53 System.Data.SqlClient.SqlException: 该用户名不存在 at System.Data.SqlClient.SqlCommand.ExecuteNonQuery() at 数据库项目._Mod.execSql(String sql) in C:\Documents and Settings\Administrator\桌面\我的群\数据库项目\数据库项目\Mod.vb:line 61 "," 2006-9-11 20:29:37 System.Data.SqlClient.SqlException: 密码错误 at System.Data.SqlClient.SqlCommand.ExecuteNonQuery() at 数据库项目._Mod.execSql(String sql) in C:\Documents and Settings\Administrator\桌面\我的群\数据库项目\数据库项目\Mod.vb:line 61 "," 2006-9-11 20:47:06 System.Data.SqlClient.SqlException: 该用户名不存在 at System.Data.SqlClient.SqlCommand.ExecuteNonQuery() at 数据库项目._Mod.execSql(String sql) in C:\Documents and Settings\Administrator\桌面\我的群\数据库项目\数据库项目\Mod.vb:line 61 "," 2006-9-12 23:43:50 System.Data.SqlClient.SqlException: 个人资料已经更新 at System.Data.SqlClient.SqlCommand.ExecuteNonQuery() at 数据库项目._Mod.execSql(String sql) in C:\Documents and Settings\Administrator\桌面\我的群\数据库项目\数据库项目\Mod.vb:line 61 "," 2006-9-12 23:47:18 System.Data.SqlClient.SqlException: 个人资料已经更新 at System.Data.SqlClient.SqlCommand.ExecuteNonQuery() at 数据库项目._Mod.execSql(String sql) in C:\Documents and Settings\Administrator\桌面\我的群\数据库项目\数据库项目\Mod.vb:line 61 "," 2006-9-17 20:42:27 System.InvalidOperationException: ConnectionString 属性尚未初始化。 at System.Data.SqlClient.SqlConnection.Open() at 数据库项目._Mod.exec(String sql) in C:\Documents and Settings\Administrator\桌面\我的群\数据库项目\数据库项目\Mod.vb:line 20 "," 2006-9-22 17:37:14 System.InvalidOperationException: ConnectionString 属性尚未初始化。 at System.Data.SqlClient.SqlConnection.Open() at 数据库项目._Mod.exec(String sql) in C:\Documents and Settings\Administrator\桌面\我的群\数据库项目\数据库项目\Mod.vb:line 20 "," 2006-9-22 17:40:49 System.InvalidOperationException: ConnectionString 属性尚未初始化。 at System.Data.SqlClient.SqlConnection.Open() at 数据库项目._Mod.exec(String sql) in C:\Documents and Settings\Administrator\桌面\我的群\数据库项目\数据库项目\Mod.vb:line 20 "," 2006-9-22 17:48:44 System.InvalidOperationException: ConnectionString 属性尚未初始化。 at System.Data.SqlClient.SqlConnection.Open() at 数据库项目._Mod.exec(String sql) in C:\Documents and Settings\Administrator\桌面\我的群\数据库项目\数据库项目\Mod.vb:line 20 "," 2006-9-22 17:49:02 System.InvalidOperationException: ConnectionString 属性尚未初始化。 at System.Data.SqlClient.SqlConnection.Open() at 数据库项目._Mod.exec(String sql) in C:\Documents and Settings\Administrator\桌面\我的群\数据库项目\数据库项目\Mod.vb:line 20 "," 2006-9-22 17:52:25 System.InvalidOperationException: ConnectionString 属性尚未初始化。 at System.Data.SqlClient.SqlConnection.Open() at 数据库项目._Mod.exec(String sql) in C:\Documents and Settings\Administrator\桌面\我的群\数据库项目\数据库项目\Mod.vb:line 20 "," 2006-12-26 9:11:08 System.InvalidOperationException: ConnectionString 属性尚未初始化。 at System.Data.SqlClient.SqlConnection.Open() at 数据库项目._Mod.exec(String sql) in C:\Documents and Settings\Administrator\桌面\我的群\数据库项目\数据库项目\Mod.vb:line 20 "," 2006-12-26 9:12:54 System.Data.SqlClient.SqlException: 用户 'sa' 登录失败。原因: 未与信任 SQL Server 连接相关联。 at System.Data.SqlClient.ConnectionPool.GetConnection(Boolean& isInTransaction) at System.Data.SqlClient.SqlConnectionPoolManager.GetPooledConnection(SqlConnectionString options, Boolean& isInTransaction) at System.Data.SqlClient.SqlConnection.Open() at 数据库项目._Mod.exec(String sql) in C:\Documents and Settings\Administrator\桌面\我的群\数据库项目\数据库项目\Mod.vb:line 20 "," 2006-12-26 9:23:22 System.Data.SqlClient.SqlException: 用户 'sa' 登录失败。原因: 未与信任 SQL Server 连接相关联。 at System.Data.SqlClient.ConnectionPool.GetConnection(Boolean& isInTransaction) at System.Data.SqlClient.SqlConnectionPoolManager.GetPooledConnection(SqlConnectionString options, Boolean& isInTransaction) at System.Data.SqlClient.SqlConnection.Open() at 数据库项目._Mod.exec(String sql) in C:\Documents and Settings\Administrator\桌面\我的群\数据库项目\数据库项目\Mod.vb:line 20 "," 2006-12-26 9:32:19 System.InvalidOperationException: Co