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Executing SQL Server Express (SQLEXPR.EXE) within VB.NET

Posted on 2006-10-25
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Last Modified: 2008-02-07
I am attempting to execute SQL Server Express installation within my VB.NET 2005 application using several scenarios of the following:

Process.Start("Start /wait " & glRootDirectory & "\SQLEXPR.EXE /qb INSTANCENAME=TSF ADDLOCAL=SQL_Engine,Client_Components,Connectivity SECURITYMODE=SQL SAPWD=<password> DISABLENETWORKPROTOCOLS=0")

I continue to get an error 'Specified file does not exist'.  I was able to perform this install from the command prompt and I know that it has to be a syntax issue with using Process.Start as opposed to installing from the command prompt.

I should be able to install using Process.Start shouldn't I?  If so, what is wrong with the syntax of my command line?

Thanks!
Phil Tate
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Question by:TSFLLC
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Fernando Soto earned 2000 total points
ID: 17805146
The correct command should be

    Process.Start Method ("Program Name with path", "arguments" )

This should be correct if the program Start is in the system path otherwise you will need to fully qualify it. for example C:\myprog\Start.

Process.Start("Start", "/wait " & glRootDirectory & "\SQLEXPR.EXE /qb INSTANCENAME=TSF ADDLOCAL=SQL_Engine,Client_Components,Connectivity SECURITYMODE=SQL SAPWD=<password> DISABLENETWORKPROTOCOLS=0")

Fernando

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Author Comment

by:TSFLLC
ID: 17805468
Fernando,

I figured out that 'Start' is not a separate program....at least it wasn't on a 2000 or XP Pro box.  I kept beating on the command line you specified and decided to attempt to run it from the Windows Run utility with only the SQLEXPR.EXE (path included).  It worked.  Therefore I realized I didn't need 'Start /wait'.

Your posting helped me realize that the application specified has to be separate from the command line parameters.  Therefore this is what worked.

Process.Start(glRootDirectory & "\SQLEXPR.EXE", " /qb INSTANCENAME=TSF ADDLOCAL=SQL_Engine,Client_Components,Connectivity SECURITYMODE=SQL SAPWD=<password> DISABLENETWORKPROTOCOLS=0")

I wouldn't have figured it out without your posting.

Thanks!
Phil
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LVL 64

Expert Comment

by:Fernando Soto
ID: 17805576
Well I am glad I was able to get you on the right track. Have a great day. ;=)
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