problem with run program in another Pc

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Hi i have a program made with c# and sql server express 2008 r2 and i want to run it in another PC and i installed sql server express 2008 r2 in that pc but it give me an error and don't open the program, what should i do?
here is the picture of error
http://upload7.ir/imgs/2014-10/84737973425151597995.jpg[^]
With Respect "Spaceman"

Posted 9-Oct-14 11:05am

Avenger1

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[no name] 9-Oct-14 17:16pm

What do you mean "what should i do"? It's called troubleshooting. Read the error message. Is SQL Server in fact running? Did you configure SQL Server?Check your connection string? Is your connection string correct for that server? Is the server local or remote to your program? Can you ping the computer, if remote?

Avenger1 9-Oct-14 17:45pm

sql server express is running
and should i change my sql connection?
i wrote this in my PC
"SqlConnection sql = new SqlConnection(@"server=SPACECRAFT\sqlexpress;database=student;integrated security=true;");"
it running without problem in My PC

Sergey Alexandrovich Kryukov 9-Oct-14 18:11pm

Please, always show data as text. It's not hard to do.
—СА

[no name] 10-Oct-14 0:37am

Please check the connection string
I think that is the only problem. use below query string. I think this me help you.
server=.\sqlexpress;database=student;integrated security=true;

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Maciej Los · Answer 1 · 2014-10-09T11:37:00

Solution 1

Read it: How to enable remote connections in SQL Server 2008?[^] or How to: Set Remote Server Access (SQL Server Management Studio)[^]
If it won't help, configure the Windows Firewall to Allow SQL Server Access[^]

Posted 9-Oct-14 11:37am

Maciej Los

MukeshSagar · Answer 2 · 2014-10-18T02:37:00

Solution 2

First check the connectivity between the computers; and changes the connection string.
In connection string servername is defined as the ip of the machine on which the SQL Server is installed.

Posted 18-Oct-14 2:37am

MukeshSagar

/\jmot · Answer 3 · 2014-10-21T21:51:00

This error occur for the connection string related issue..

check your connection string first, maybe need to change it for the particular pc..
if not solve then see this..
See This..
http://stackoverflow.com/questions/18060667/connect-to-server-a-network-related-or-instance-specific-error[^]