i am developing an application in C#,i have create database1.mdf by
right clicking on my project,add item
then creating a database.
my intial problem was,i was able to execute query correctly but those modification wasn't reflected in main database
finally after lot of surfing i changed copy to output directory to copy if newer but still i am not able to rectify my problem.
now i am feeling that i need to connect to sqlserver using connectionstring but i don't know username,servername,password etc...
can anyone help me please