And which database engine do you use? It looks SQL Server...
Which of these is resulting in error? Only the second one is 68 characters long...
You should consult this extensive list to give a proper connection string:
http://www.connectionstrings.com/sql-server/[
^]
As I see, you are using a non-valid combination of parameters in your string.
You should not specify connection string from code. Use
app.config/
web.config instead:
http://msdn.microsoft.com/en-us/library/ms254494%28v=vs.110%29.aspx[
^]
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