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hi friends,

i developed a C# and sqlserver 2008 program. and i want to use it in customer computer.first of all i installed sqlexpress in customer computer. then i added database files to program directiry but it does not work.how can i correct this probem.

there is a error message that appear when i want to log into program that it says:

SQL
a network-related or instance-specific error occured while establishing a connection to sqlserve. the server was not found or was not
accessible. verify that the instance name is correct and that sql server is configured to allow remote connections.
(provider:named pipes provider,error:40 - could not open a connection to sql server)
Posted

...i added database files to program directiry but it does not work.how can i correct this probem...

You need to move database files directly into SQL Server Data folder[^], then to attach this file[^] into MS SQL Server instance[^].

After that properly configure connection string[^] to this named instance.
 
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