ลบข้อมูลแล้ว DataGridview ไม่รีเฟรชครับ แต่มีคำสั่ง .Refresh()

Private Sub btnDel_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnDel.Click
        If MessageBox.Show("คุณต้องการลบข้อมูลนี้ใช่หรือไม่ ?", "ยืนยันการลบ", MessageBoxButtons.YesNo, MessageBoxIcon.Question, MessageBoxDefaultButton.Button1) = Windows.Forms.DialogResult.Yes Then

            Dim strID As String = Me.dgv(0, Me.dgv.CurrentCell.RowIndex).Value.ToString()
            Dim i As Integer = 0
            For i = 0 To dgv.SelectedRows.Count - 1
                dgv.Rows.Remove(dgv.SelectedRows(0))
            Next
            Dim myConnection As OdbcConnection = New OdbcConnection
            myConnection.ConnectionString = myConStr

            myConnection.Open()
            Dim myCommand As Data.Odbc.OdbcCommand = myConnection.CreateCommand()
            myCommand.CommandText = "DELETE FROM [TB2006] WHERE idya = '" & strID & "'"
            myCommand.CommandType = CommandType.Text
            myCommand.ExecuteNonQuery()
            myConnection.Close()
            MessageBox.Show("ลบข้อมูลเรียบร้อยแล้ว", "ระบบตรวจสอบ")
            dgv.Refresh()
        End If
    End Sub