Login failed for user 'DIEVECHNOLOGY\ASPNET'. URGENT !! [resolved]

VB Code:

connectionString = "Server=SQLOLEDB.1; Data Source=(local); " & _
                           "Database=WAPClinic; Trusted_Connection=yes"

i don't know why is this happen. previous can log in like normal. but suddenly giv me this kind of error. anyone help? quite urgent.

Since you haven't specified a Username and Password in your connectionstring the application is trying to connect to the database with default ASPNET user account of your machine.

This account obviously isn't setup as a user on the database.

So you either need to allow Windows Authentication in your SQL Server, or create a new Login (Username/Password) within SQL Server and then use that Username/Password in your connectionstring to connect to the database.