connection to sql server 2008

[asm]

hi..

i want to connect to sql server 2008 in vb 2005.
connection string:

            dim SmString as string = "Data Source=192.165.0.153\sqlserver,1433;Network Library=dbmssocn;Initial Catalog=ASM2005;User ID=sa;Password=;"
            If gl_con.State = ConnectionState.Closed Then
                gl_con = New SqlConnection(SmString)
                gl_con.Open()
            End If

it will not connect
error:

network related or instance specific error

[Hack]

Moved To Database Development

[GaryMazzone]

Is the instance name for the SQL Server install really sqlserver?