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  #1  
Old 03-17-2011
Ilivid zheng Ilivid zheng is offline
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Question Problem with connection of Microsoft SQL server2005

Hello,
I want to use Microsoft SQL server2005 as a database,but i have no idea of steps to connect it. anyone could tell me ?

thanks a lot .

Ilivid
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Old 03-17-2011
Jason Lightfoot Jason Lightfoot is offline
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Set up an ODBC Data Source Name (DSN) that points to your SQL database and then give that name in the dbopen() command in Flexsim. That's done in odbcad32.exe which is usually listed under 'Administrative Tools' in the control panel as "Data Sources (ODBC)", or try just entering odbcad32.exe in the search box under Start.

That's the connection, but if you don't know about that there's probably other stuff you need to know too. Post back here and we'll try and cover each point in turn. In particular take a look at the command documentation for the following ODBC commands - dbopen(), dbclose(), dbsqlquery(), dbchangetable(), dbgetmetrics(), dbgetfieldname(), dbgetnumrows(), dbgetnumcols(), dbgettablecell(), dbsettablecell()
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Old 03-20-2011
Ilivid zheng Ilivid zheng is offline
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I try it.There is a popup windonw as flowing when i run model.

---------------------------
ODBC Error
---------------------------

Scheduling

SQL server does not exist or Access denied
Driver: [Microsoft][ODBC SQL Server Driver][Shared Memory]
ODBC Code:08001
Flexsim Code: 2 - SQLConnect
---------------------------
OK
---------------------------

I write the code in the OnRest trigger as following.

dbopen("Scheduling","select * from table_1",1,0);

The "Scheduling" is DSN. And set the driver as SQL server as shown by attachament. I just want to try if it can connect to SQL. but failed!

Any ideas on how to avoid this error occuring?

Thanks in advance!
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Old 03-21-2011
Jason Lightfoot Jason Lightfoot is offline
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Are you using a 64-bit OS? If so you might want to try the database admin tool found at C:/Windows/SysWoW64/odbcad32.exe rather than using the one in the control panel.

Can you try and connect using ODBC from another application (Excel) too? If that works then we can dig further.
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Old 03-23-2011
Ilivid zheng Ilivid zheng is offline
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Hi Jason
I am using a 32-bit OS. And i try connect Flexsim with other application(Excel,Access),it works well.
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Old 03-23-2011
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AJ Bobo AJ Bobo is offline
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I did a little testing and was able to get the 08001 error if the SQLServer service wasn't running. If that's the case, then Flexsim cannot connect to it. Use the SQL Server Connection Manager to make sure that the server is actually running correctly.

Also, I noticed that your dbopen() call uses a SQL statement as the initial command, but you pass a 1 as the third parameter. This will tell Flexsim to work in Table mode, instead of SQL mode. If you want to use SQL queries to interact with the database, then you need to pass a 0 as the third parameter. The command should be:
dbopen("MyDatabase","SELECT * from MyTable",0,0);
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Old 03-29-2011
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Thanks for your message!
several days I did not online.first i check the sever,it is runnning correctly.and then i try it again. i set a userDSN as "MyDatabase".when i test Database Source,there is Connection failure indication.i thought this is why i cannot connetct to SQL in flexsim.
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Old 03-30-2011
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It sounds like the problem is at the DSN level. Once you have configured the DSN so that it connects to the database correctly, Flexsim should be able to connect to the database as well.
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