Hi <BR><BR>I am doing my app in ASP.net.<BR> We installed sqlserver using windows authentication.<BR>i am specifying my connection string like this<BR>&#060;add key="ConnectionString" value="Data Source=myservername; Initial Catalog=databasename;Integrated Security=SSPI;"/&#062;<BR><BR>so its taking loged userid account and connecting to the database without any problem<BR><BR>In server ,under computer management i created one user say name &#039;commondb&#039;.<BR>In my aspx page i want to connect to this perticular &#039;commondb&#039; user and want to do database maniplations.<BR>Can i do this .If so how to pass the user id and password to connect string.<BR><BR>Pl advice me.