มีปัญหาเกี่ยวกับการ connect db ผ่าน web service ครับ

Public Class Service
    Inherits System.Web.Services.WebService
    <WebMethod()> _
    Public Sub ConDB()
        Dim Conn As New SqlConnection()
        Dim tmpServerName As String = "192.168.2.240"
        Dim tmpDBDatabaseName As String = "ITmanagement"
        Dim tmpDBUserName As String = "LKB"
        Dim tmpDBPassword As String = "12345"
        Dim strConn As String = "Data Source=" & tmpServerName & ";Initial Catalog=" & tmpDBDatabaseName & ";User ID=" & tmpDBUserName & ";Password=" & tmpDBPassword & ""

        Conn = New SqlConnection()
        With Conn
            If .State = ConnectionState.Open Then .Close()
            .ConnectionString = strConn
            .Open()
        End With
    End Sub

End Class