Public Class Form1

    Private Sub Button1_Click(sender As Object, e As EventArgs) Handles Button1.Click
        Dim pxy As localhost.Service1 = New localhost.Service1()
        Dim ds As DataSet = New DataSet()
        'Retrieve the data from the database using the GetCustomers method
        'Bind the GridView control to the datasource
        ds = pxy.GetCustomers()
        DataGridView1.DataSource = ds.Tables(0)
    End Sub
End Class