Visual Basic

Private Sub PrintDocument1_PrintPage(ByVal sender As System.Object, ByVal e As System.Drawing.Printing.PrintPageEventArgs) Handles PrintDocument1.PrintPage
Try
            Dim iHeaderHeight As Double
            'Set the left margin
            Dim iLeftMargin As Integer = e.MarginBounds.Left
            'Set the top margin
            Dim iTopMargin As Integer = e.MarginBounds.Top
            'Whether more pages have to print or not
            Dim bMorePagesToPrint As Boolean = False
            Dim iTmpWidth As Integer = 0
            'For the first page to print set the cell width and header height
            If bFirstPage Then
                For Each GridCol As DataGridViewColumn In DataGridView_impot.Columns
                    iTmpWidth = CType(Math.Floor(CType((CType(GridCol.Width, Double) / (CType(iTotalWidth, Double) * (CType(iTotalWidth, Double) * (CType(e.MarginBounds.Width, Double) / CType(iTotalWidth, Double))))), Double)), Integer)
                    iHeaderHeight = (CType(e.Graphics.MeasureString(GridCol.HeaderText, GridCol.InheritedStyle.Font, iTmpWidth).Height, Integer) + 11)
                    ' Save width and height of headers
                    arrColumnLefts.Add(iLeftMargin)
                    arrColumnWidths.Add(iTmpWidth)
                    iLeftMargin = (iLeftMargin + iTmpWidth)
                Next
            End If
 
            'Loop till all the grid rows not get printed
            Dim iRow As Double
            While (iRow <= (DataGridView_impot.Rows.Count - 1))
                Dim GridRow As DataGridViewRow = DataGridView_impot.Rows(iRow)
                'Set the cell height
                iCellHeight = (GridRow.Height + 5)
                Dim iCount As Integer = 0
                'Check whether the current page settings allows more rows to print
                If (iTopMargin + (iCellHeight >= (e.MarginBounds.Height + e.MarginBounds.Top))) Then
                    bNewPage = True
                    bFirstPage = False
                    bMorePagesToPrint = True
                    Exit While
                Else
                    If bNewPage Then
                        'Draw Header => raison sociale
                        e.Graphics.DrawString(Me.lbl_rs.Text, New Font(DataGridView_impot.Font, FontStyle.Bold), Brushes.Black, e.MarginBounds.Left, (e.MarginBounds.Top - (e.Graphics.MeasureString(Me.lbl_rs.Text, New Font(DataGridView_impot.Font, FontStyle.Bold), e.MarginBounds.Width).Height - 13)))
                        'Draw Date => date system
                        e.Graphics.DrawString(Me.lbl_date_now.Text, New Font(DataGridView_impot.Font, FontStyle.Bold), Brushes.Black, (e.MarginBounds.Left + (e.MarginBounds.Width - e.Graphics.MeasureString(Me.lbl_date_now.Text, New Font(DataGridView_impot.Font, FontStyle.Bold), e.MarginBounds.Width).Width)), (e.MarginBounds.Top - (e.Graphics.MeasureString(Me.lbl_rs.Text, New Font(New Font(DataGridView_impot.Font, FontStyle.Bold), FontStyle.Bold), e.MarginBounds.Width).Height - 13)))
                        'Draw Columns                 
                        iTopMargin = e.MarginBounds.Top
                        For Each GridCol As DataGridViewColumn In DataGridView_impot.Columns
                            e.Graphics.FillRectangle(New SolidBrush(Color.LightGray), New Rectangle(CType(arrColumnLefts(iCount), Integer), iTopMargin, CType(arrColumnWidths(iCount), Integer), iHeaderHeight))
                            e.Graphics.DrawRectangle(Pens.Black, New Rectangle(CType(arrColumnLefts(iCount), Integer), iTopMargin, CType(arrColumnWidths(iCount), Integer), iHeaderHeight))
                            e.Graphics.DrawString(GridCol.HeaderText, GridCol.InheritedStyle.Font, New SolidBrush(GridCol.InheritedStyle.ForeColor), New RectangleF(CType(arrColumnLefts(iCount), Integer), iTopMargin, CType(arrColumnWidths(iCount), Integer), iHeaderHeight), strFormat)
                            iCount = (iCount + 1)
                        Next
                        bNewPage = False
                        iTopMargin = (iTopMargin + iHeaderHeight)
                    End If
 
                    iCount = 0
                    'Draw Columns Contents
                    For Each Cel As DataGridViewCell In GridRow.Cells
                        If (Not (Cel.Value) Is Nothing) Then
                            e.Graphics.DrawString(Cel.Value.ToString, Cel.InheritedStyle.Font, New SolidBrush(Cel.InheritedStyle.ForeColor), New RectangleF(CType(arrColumnLefts(iCount), Integer), CType(iTopMargin, Single), CType(arrColumnWidths(iCount), Integer), CType(iCellHeight, Single)), strFormat)
                        End If
 
                        'Drawing Cells Borders 
                        e.Graphics.DrawRectangle(Pens.Black, New Rectangle(CType(arrColumnLefts(iCount), Integer), iTopMargin, CType(arrColumnWidths(iCount), Integer), iCellHeight))
                        iCount = (iCount + 1)
                    Next
                End If
 
                iRow = (iRow + 1)
                iTopMargin = (iTopMargin + iCellHeight)
 
            End While
 
            'If more lines exist, print another page.
            If bMorePagesToPrint Then
                e.HasMorePages = True
            Else
                e.HasMorePages = False
            End If
 
        Catch exc As Exception
            MessageBox.Show(exc.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error)
        End Try
 
 
    End Sub