急求能帮我看下这些错误怎么处理？？
1.project hotel.exe raised exception class eoleexception weht message'用户'sa'登录失败。原因：未与信任SQL Server 连接相关联。process stopped.use step or run to continue.
2.ADOTable1:Cannot perform this operation on a closed dataset.
3.ADOQuery1:File '状态'not found
4.project hotel.exe raised exception class EDatabaseError with message'ADOQuery1:Field '状态'not found'.Process stopped.Use Step or Run to continue.
5.Build
[Hint] RoomStatusForm.pas(101): Variable 'status' is declared but never used in 'TRoomStatus.Button2Click'
[Warning] RoomStatusForm.pas(172): Variable 'index' might not have been initialized
[Hint] RoomStatusForm.pas(144): Variable 'i' is declared but never used in 'TRoomStatus.ShowStatus'


[解决办法]
你的问题太笼统不来回答
[解决办法]
好像5个错误是一个问题造成的:程序所需要的数据库因为登录失败而无法使用!
看看数据库是否正常
检查一下程序连接数据库的地方对不
也可能是你登录数据库的用户名和密码有问题
[解决办法]
肯定是静态设置了连接，编译后在其他机器环境下，由于数据库实例、帐号密码等跟开发环境下不一致引发，连接参数应该是可配置。
[解决办法]
数据库未联接出现的问题.