connection string error to sql server 2012

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Hi everyone,
i try to connect my c# application to sql server 2012
my connection string is
connectionString="Server=.\MSSQLSERVER; Database=|AppData|\TechnicalOfficeManagerDB.mdf; Trusted_Connection=True;"

the application raise exception said
the value's length for key exceeds it's limit of '128' and don't connect to sql server

I don't understand what is the problem>

Posted 12-Sep-13 1:04am

tarekwarak0

Updated 30-Aug-17 3:26am

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ZurdoDev 12-Sep-13 7:34am

connectionstrings.com

CHill60 12-Sep-13 7:41am

What is |AppData| ... is this your substitution for a folder name?

tarekwarak0 12-Sep-13 7:57am

yes, it is

CHill60 12-Sep-13 8:13am

Then check that the length of |AppData|\TechnicalOfficeManagerDB.mdf is less than 128 characters and if not try moving the mdf to a shorter path name or even renaming the mdf itself to a shorter name.

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Maciej Los · Answer 1 · 2013-09-12T02:11:00

Solution 1

have a look here: http://www.connectionstrings.com/sql-server-2012/[^]

Posted 12-Sep-13 2:11am

Maciej Los

Bernhard Hiller · Answer 2 · 2013-09-12T02:14:00

Change the location of the database to a different folde, e.g. |ALLUSERSPROFILE|\YourCompany\DB.mdf
%ALLUSERSPROFILE% is typically C:\ProgramData, so a rather short path when compared to C:\Users\tarekwarak0460\AppData\Roaming - together with a shorter filename, that could help you getting below the 128 characters limit.

Leena 206 · Answer 3 · 2013-09-12T03:16:00

Solution 3

have a look here: msdn[^]
:)

Posted 12-Sep-13 3:16am

Leena 206