The sample demonstrates how to set PDF table layout.

Download TableLayout.pdf

using System;
using System.Data;
using System.Data.OleDb;
using System.Drawing;
using Spire.Pdf;
using Spire.Pdf.Graphics;
using Spire.Pdf.Tables;

namespace TableLayout
{
    class Program
    {
        static void Main(string[] args)
        {
            //Create a pdf document.
            PdfDocument doc = new PdfDocument();

            //margin
            PdfUnitConvertor unitCvtr = new PdfUnitConvertor();
            PdfMargins margin = new PdfMargins();
            margin.Top = unitCvtr.ConvertUnits(2.54f, PdfGraphicsUnit.Centimeter, PdfGraphicsUnit.Point);
            margin.Bottom = margin.Top;
            margin.Left = unitCvtr.ConvertUnits(3.17f, PdfGraphicsUnit.Centimeter, PdfGraphicsUnit.Point);
            margin.Right = margin.Left;

            // Create one page
            PdfPageBase page = doc.Pages.Add(PdfPageSize.A4, margin);

            float y = 10;

            //title
            PdfBrush brush1 = PdfBrushes.Black;
            PdfTrueTypeFont font1 = new PdfTrueTypeFont(new Font("Arial", 16f, FontStyle.Bold));
            PdfStringFormat format1 = new PdfStringFormat(PdfTextAlignment.Center);
            page.Canvas.DrawString("Part List", font1, brush1, page.Canvas.ClientSize.Width / 2, y, format1);
            y = y + font1.MeasureString("Part List", format1).Height;
            y = y + 5;

            //create data table
            PdfTable table = new PdfTable();
            table.Style.CellPadding = 1;
            table.Style.BorderPen = new PdfPen(brush1, 0.75f);
            table.Style.DefaultStyle.BackgroundBrush = PdfBrushes.SkyBlue;
            table.Style.DefaultStyle.Font = new PdfTrueTypeFont(new Font("Arial", 10f), true);
            table.Style.HeaderSource = PdfHeaderSource.ColumnCaptions;
            table.Style.HeaderStyle.BackgroundBrush = PdfBrushes.CadetBlue;
            table.Style.HeaderStyle.Font = new PdfTrueTypeFont(new Font("Arial", 11f, FontStyle.Bold), true);
            table.Style.HeaderStyle.StringFormat = new PdfStringFormat(PdfTextAlignment.Center);
            table.Style.ShowHeader = true;
            table.Style.RepeatHeader = true;
            using (OleDbConnection conn = new OleDbConnection())
            {
                conn.ConnectionString = @"Provider=Microsoft.Jet.OLEDB.4.0;Data Source=demo.mdb";
                OleDbCommand command = new OleDbCommand();
                command.CommandText
                    = " select * from parts ";
                command.Connection = conn;
                using (OleDbDataAdapter dataAdapter = new OleDbDataAdapter(command))
                {
                    DataTable dataTable = new DataTable();
                    dataAdapter.Fill(dataTable);
                    dataTable.Columns.RemoveAt(1);
                    table.DataSourceType = PdfTableDataSourceType.TableDirect;
                    table.DataSource = dataTable;
                }
            }
            float width
                = page.Canvas.ClientSize.Width
                    - (table.Columns.Count + 1) * table.Style.BorderPen.Width;
            for (int i = 0; i < table.Columns.Count; i++)
            {
                if (i == 1)
                {
                    table.Columns[i].Width = width * 0.4f * width;
                    table.Columns[i].StringFormat
                        = new PdfStringFormat(PdfTextAlignment.Left, PdfVerticalAlignment.Middle);
                }
                else
                {
                    table.Columns[i].Width = width * 0.12f * width;
                    table.Columns[i].StringFormat
                        = new PdfStringFormat(PdfTextAlignment.Right, PdfVerticalAlignment.Middle);
                }
            }
            table.BeginRowLayout += new BeginRowLayoutEventHandler(table_BeginRowLayout);

            PdfTableLayoutFormat tableLayout = new PdfTableLayoutFormat();
            tableLayout.Break = PdfLayoutBreakType.FitElement;
            tableLayout.Layout = PdfLayoutType.Paginate;
            PdfLayoutResult result = table.Draw(page, new PointF(0, y), tableLayout);
            y = result.Bounds.Bottom + 5;

            PdfBrush brush2 = PdfBrushes.Gray;
            PdfTrueTypeFont font2 = new PdfTrueTypeFont(new Font("Arial", 9f));
            result.Page.Canvas.DrawString(String.Format("* All {0} parts in the list", table.Rows.Count),
                font2, brush2, 5, y);

            //Save pdf file.
            doc.SaveToFile("TableLayout.pdf");
            doc.Close();

            //Launching the Pdf file.
            System.Diagnostics.Process.Start("TableLayout.pdf");
        }

        static void table_BeginRowLayout(object sender, BeginRowLayoutEventArgs args)
        {
            if (args.RowIndex < 0)
            {
                //header
                return;
            }
            if (args.RowIndex % 3 == 0)
            {
                args.CellStyle.BackgroundBrush = PdfBrushes.LightYellow;
            }
            else
            {
                args.CellStyle.BackgroundBrush = PdfBrushes.SkyBlue;
            }
        }
    }
}

Imports Spire.Pdf
Imports Spire.Pdf.Graphics
Imports Spire.Pdf.Tables
Imports System.Data.OleDb

Imports System.Data
Imports System.Data.OleDb
Imports System.Drawing
Imports Spire.Pdf
Imports Spire.Pdf.Graphics
Imports Spire.Pdf.Tables

Namespace SimpleTable
    Friend Class Program
        Shared Sub Main(ByVal args() As String)
            'Create a pdf document.
            Dim doc As New PdfDocument()

            'margin
            Dim unitCvtr As New PdfUnitConvertor()
            Dim margin As New PdfMargins()
            margin.Top = unitCvtr.ConvertUnits(2.54F, PdfGraphicsUnit.Centimeter, PdfGraphicsUnit.Point)
            margin.Bottom = margin.Top
            margin.Left = unitCvtr.ConvertUnits(3.17F, PdfGraphicsUnit.Centimeter, PdfGraphicsUnit.Point)
            margin.Right = margin.Left

            ' Create one page
            Dim page As PdfPageBase = doc.Pages.Add(PdfPageSize.A4, margin)

            Dim y As Single = 10

            'title
            Dim brush1 As PdfBrush = PdfBrushes.Black
            Dim font1 As New PdfTrueTypeFont(New Font("Arial", 16.0F, FontStyle.Bold))
            Dim format1 As New PdfStringFormat(PdfTextAlignment.Center)
            page.Canvas.DrawString("Part List", font1, brush1, page.Canvas.ClientSize.Width \ 2, y, format1)
            y = y + font1.MeasureString("Part List", format1).Height
            y = y + 5

            'create data table
            Dim table As New PdfTable()
            table.Style.CellPadding = 1
            table.Style.BorderPen = New PdfPen(brush1, 0.75F)
            table.Style.DefaultStyle.BackgroundBrush = PdfBrushes.SkyBlue
            table.Style.DefaultStyle.Font = New PdfTrueTypeFont(New Font("Arial", 10.0F), True)
            table.Style.HeaderSource = PdfHeaderSource.ColumnCaptions
            table.Style.HeaderStyle.BackgroundBrush = PdfBrushes.CadetBlue
            table.Style.HeaderStyle.Font = New PdfTrueTypeFont(New Font("Arial", 11.0F, FontStyle.Bold), True)
            table.Style.HeaderStyle.StringFormat = New PdfStringFormat(PdfTextAlignment.Center)
            table.Style.ShowHeader = True
            table.Style.RepeatHeader = True
            Using conn As New OleDbConnection()
                conn.ConnectionString = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=demo.mdb"
                Dim command As New OleDbCommand()
                command.CommandText = " select * from parts "
                command.Connection = conn
                Using dataAdapter As New OleDbDataAdapter(command)
                    Dim dataTable As New DataTable()
                    dataAdapter.Fill(dataTable)
                    dataTable.Columns.RemoveAt(1)
                    table.DataSourceType = PdfTableDataSourceType.TableDirect
                    table.DataSource = dataTable
                End Using
            End Using
            Dim width As Single = page.Canvas.ClientSize.Width - (table.Columns.Count + 1) * table.Style.BorderPen.Width
            For i As Integer = 0 To table.Columns.Count - 1
                If i = 1 Then
                    table.Columns(i).Width = width * 0.4F * width
                    table.Columns(i).StringFormat = New PdfStringFormat(PdfTextAlignment.Left, PdfVerticalAlignment.Middle)
                Else
                    table.Columns(i).Width = width * 0.12F * width
                    table.Columns(i).StringFormat = New PdfStringFormat(PdfTextAlignment.Right, PdfVerticalAlignment.Middle)
                End If
            Next i
            AddHandler table.BeginRowLayout, AddressOf table_BeginRowLayout

            Dim tableLayout As New PdfTableLayoutFormat()
            tableLayout.Break = PdfLayoutBreakType.FitElement
            tableLayout.Layout = PdfLayoutType.Paginate
            Dim result As PdfLayoutResult = table.Draw(page, New PointF(0, y), tableLayout)
            y = result.Bounds.Bottom + 5

            Dim brush2 As PdfBrush = PdfBrushes.Gray
            Dim font2 As New PdfTrueTypeFont(New Font("Arial", 9.0F))
            result.Page.Canvas.DrawString(String.Format("* All {0} parts in the list", table.Rows.Count), font2, brush2, 5, y)

            'Save pdf file.
            doc.SaveToFile("TableLayout.pdf")
            doc.Close()

            'Launching the Pdf file.
            Process.Start("TableLayout.pdf")
        End Sub

        Private Shared Sub table_BeginRowLayout(ByVal sender As Object, ByVal args As BeginRowLayoutEventArgs)
            If args.RowIndex < 0 Then
                'header
                Return
            End If
            If args.RowIndex Mod 3 = 0 Then
                args.CellStyle.BackgroundBrush = PdfBrushes.LightYellow
            Else
                args.CellStyle.BackgroundBrush = PdfBrushes.SkyBlue
            End If
        End Sub
    End Class
End Namespace