Consuming a service in Visual Basic published in PHP

How can I extract the data by consuming a webservice from PHP and return me in datagridview of Visual Basic as they can observe in a query several data

Imports System.Data
Imports System.Data.SqlClient
Imports DESCARGAPEDIDO.WsSurtioficce


Private Sub Form1_Load(sender As Object, e As EventArgs) Handles MyBase.Load
        If My.Application.CommandLineArgs.Count > 0 Then
            Operador = My.Application.CommandLineArgs(0).ToString()
            NombreBD = My.Application.CommandLineArgs(4).ToString()
            ServidorBD = My.Application.CommandLineArgs(5).ToString()
            For N_PARAMETRO = 0 To My.Application.CommandLineArgs.Count - 1
                If N_PARAMETRO >= CAMPOFINAL Then
                    G_CONEXIONBIROBIDSA += My.Application.CommandLineArgs(N_PARAMETRO).ToString.Trim + " "
                End If
            Next
        End If
        If String.IsNullOrEmpty(Operador) Then
            Operador = "ADM"
        End If
        ObtieneConexion()
        'configuraGrid()
        'configuraGrid2()
        BuscaCabecera()
    End Sub
    Private Sub ObtieneConexion()
        cn = con.ConexionSQL(NombreBD, ServidorBD, UserBD, PasswordBD)
        G_CONEXIONBIROBIDSA = cn.ConnectionString
        cn.Dispose()
        cn.Close()
    End Sub
    Private Sub BuscaCabecera()
        Dim Array As Char
        Array = ObjWsSurt.orden_pedido(fecha.Text)
        DataGridView1.DataSource = Array
    End Sub