Connect with SQL Server 2008 Express using Winforms (C#) -


i creating database coding in winforms (c#) , run script creating tables.

in short create database using winforms (c#) in sql server express.

but when run application error :

cannot open database '' requested login. login failed. login failed user 'ketan\admin'.

my connection string: 

server=.\sqlexpress;integrated security=true;database=mydatabasename;user id=myusername;password=mypassword;

any appreciated.

if have both 

integrated security=true;

and 

user id=myusername;password=mypassword;

in connection string, integrated security wins , specific user , password ignored, , connection attempted current windows credentials (ketan\admin) , doesn't seem work

so change connection string to:

server=.\sqlexpress;database=mydatabasename;user id=myusername;password=mypassword;

now, specific user , password used connect sql server, , if correct, should able connect fine


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