>So how does your connectionstring look like, you use localhost or server IP? Normally I would expect the MySql engine to be installed only on the server, where the data folder is.
>
>>>But that would mean that MySql is running on your local computer, and not on a server. Is this a test environment or you did that in the production environment?
>>

This is a production environment.
I installed MySQL engine on every PCs, while the database is on the server only.

I have tried install MySQL engine on server only, but it runs very slow.
This is LAN environment, not online, not using internet.






>>The database is in the server, while MySQL engine is installed in all PCs (server and clients).
>>
>>
>>
>>>>>Nope. DateTime() is vfp=client, the others are coming from the SQL server. Log both in the same record - changes of local computer date will be obvious. Also perhaps add server side incremental sequential nr which allows you trace added records from another angle.
>>>>
>>>>I changed the Windows' date to 01/01/2020 10:00
>>>>when I test in MySQL Query Browser:
>>>>

>>>>Select curdate()
>>>>Select localtime()
>>>>

>>>>it shows 01/01/2020 10:00, not the real datetime
>>>>
>>>>Jerry
>>>>
>>>>
>>>>>>But
>>>>>>

>>>>>>Select curdate()
>>>>>>Select localtime()
>>>>>>

>>>>>>is the same as
>>>>>>

>>>>>>datetime()
>>>>>>

>>>>>
>>>>>Nope. DateTime() is vfp=client, the others are coming from the SQL server. Log both in the same record - changes of local computer date will be obvious. Also perhaps add server side incremental sequential nr which allows you trace added records from another angle.
>>>>>
>>>>>>What happens is the operators try to cheat by entering the invoice with back date, hence it's hard to detect. I disabled the invoice date, but they can easily change the computer date so the protection is useless.
>>>>>>
>>>>>>The other way is to compare the datetime() from the client vs the server. because the server is secure and the datetime() is always correct.
>>>>>>
>>>>>>This is in LAN environment and not necessary connect to internet.
>>>>>>
>>>>>>Thanks for the help
>>>>>>
>>>>>>Jerry Yang
>>>>>>
>>>>>>
>>>>>>>In addition to Christians hint, it might be better to add 2 timestamp colums to each CUD statement: timestamp as is set in MySQL and datetime() as set in vfp on client machine. Client time could be altered after program start ;-))
>>>>>>>
>>>>>>>
>>>>>>>>>Just create a file on the server, and check its datetime with Adir().
>>>>>>>>
>>>>>>>>This is a good idea, but I also have a problem.
>>>>>>>>The folder in the server must be R/W in order to be able to write.
>>>>>>>>
>>>>>>>>While I'm using VFP9 with MySQL database, no need to share the server's folder.
>>>>>>>>The server's folder remains ReadOnly
>>>>>>>>
>>>>>>>>Jerry Yang
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>>>in the LAN environment, is there a way to know the server's datetime()?
>>>>>>>>>>
>>>>>>>>>>My client has an issue, the operator changes the clock so he can enter old invoices.
>>>>>>>>>>My client want to each time the cashiers login, the program will compare the datetime() with the server's datetime()
>>>>>>>>>>
>>>>>>>>>>Thanks for the help
>>>>>>>>>>
>>>>>>>>>>Regards,
>>>>>>>>>>
>>>>>>>>>>Jerry Yang
>>>>>>>>>
>>>>>>>>>Just create a file on the server, and check its datetime with Adir().