ปริ้นข้อมูลจาก DataGridview VB.NET 2010 ช่วยแก้โค้ดหน่อยครับ

 Dim mRow As Integer = 0
    Dim newpage As Boolean = True

    Private Sub PrintDocument1_PrintPage(ByVal sender As System.Object, ByVal e As System.Drawing.Printing.PrintPageEventArgs) Handles PrintDocument1.PrintPage
        With DataGridView1
           
            Dim fmt As StringFormat = New StringFormat(StringFormatFlags.LineLimit)
            fmt.LineAlignment = StringAlignment.Center
            fmt.Trimming = StringTrimming.EllipsisCharacter
            Dim y As Single = e.MarginBounds.Top
            Do While mRow < .RowCount
                Dim row As DataGridViewRow = .Rows(mRow)
                Dim x As Single = e.MarginBounds.Left
                Dim h As Single = 0
                For Each cell As DataGridViewCell In row.Cells

                    Dim rc As RectangleF = New RectangleF(x, y, cell.Size.Width, cell.Size.Height)
                    e.Graphics.DrawRectangle(Pens.Black, rc.Left, rc.Top, rc.Width, rc.Height)
                    If (newpage) Then
                        e.Graphics.DrawString(DataGridView1.Columns(cell.ColumnIndex).HeaderText, .Font, Brushes.Black, rc, fmt)
                    Else
                        e.Graphics.DrawString(DataGridView1.Rows(cell.RowIndex).Cells(cell.ColumnIndex).FormattedValue.ToString(), .Font, Brushes.Black, rc, fmt)
                    End If
                    x += rc.Width
                    h = Math.Max(h, rc.Height)
                Next
                newpage = False
                y += h
                mRow += 1
                If y + h > e.MarginBounds.Bottom Then
                    e.HasMorePages = True
                    mRow -= 1
                    newpage = True
                    Exit Sub
                End If
            Loop
            mRow = 0
        End With
    End Sub