SQL SERVER & VB.NET Connection

Question

Hellow everyone, I have problem with getting connection with SQLSERVER Database using vb.net whille the application i am developing is purly based on sql database connection.. My code on Load form is
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Imports System
Imports System.Data
Imports System.Data.SqlClient
Public Class Form1
Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
Dim conTransit As SqlConnection = New SqlConnection("Server=devsql;Database=Transporter;Integrated Security=SSPI")
conTransit.Open()
MessageBox.Show("Conection succedded")
conTransit.Close()
End Sub
End Class

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Any help or commnet is warmly welcome also how can i load the data and ADD, DELETE and DPDATE using ADO.net Help Pls