項目打印輸出表格圖片及分頁打印

1、項目六：打印輸出項目六：打印輸出主講人:艾長春教學目的要求：教學目的要求：1、掌握、掌握PrintDocument類的對象的常用屬性和類的對象的常用屬性和方法、事件；方法、事件；2、掌握、掌握PrintPreviewDialog類的對象的常用屬類的對象的常用屬性和方法；性和方法；3、學會用、學會用Font類的對象定義。類的對象定義。4、掌握字符串對象、表格、圖片的打印輸出、掌握字符串對象、表格、圖片的打印輸出方法，學習分頁打印。方法，學習分頁打印。教學重點、難點：教學重點、難點：字符串的輸出、圖片的輸出字符串的輸出、圖片的輸出學而不思則罔，思而不學則殆學而不思則罔，思而不學則殆命名空間：usi

2、ng System.IO ;using System.Drawing.Printing;在類中創(chuàng)建對象：文檔對象、預覽對象、畫筆對象、字體對象private System.Drawing.Printing.PrintDocument pd = new System.Drawing.Printing.PrintDocument();/創(chuàng)建打印文檔private PrintPreviewDialog prv = new PrintPreviewDialog();/創(chuàng)建打印預覽對話框private string prText =null ;/打印內(nèi)容Brush br = Brushes.Red;/創(chuàng)

3、建紅色畫筆Font f= new Font(“Arial”, 30);/設置字體PointF pf = new PointF(140,140);/定義打印的起始位置建立打印事件：private void pd_PrintPage(object sender,PrintPageEventArgs ev)/建立打印控制事件 if (f = null & br = null)/如果沒有設置打印字體和畫筆就用10號字，黑色 ev.Graphics.DrawString(prText, new Font (Arial,10),Brushes .Black ,new PointF(ev.Margi

4、nBounds .Left ,ev.MarginBounds .Top ); else ev.Graphics.DrawString(prText, f, br, pf); 用打印機進行打印一行文字。用打印機進行打印一行文字。打印按鈕代碼： prText = tbx_prText.Text; PointF pf = new PointF(this .Width /2-20,this .Height /2-20);/定義打印的起始位置 if (prText.Length = 0) MessageBox.Show(沒有打印內(nèi)容！); return; pd.PrintPage +=new Print

5、PageEventHandler(pd_PrintPage); pd.Print();/開始打印 打印預覽按鈕代碼 prText = tbx_prText.Text; PointF pf = new PointF(this.Width / 2 - 20, this.Height / 2 - 20);/定義打印的起始位置 if (prText.Length = 0) MessageBox.Show(沒有打印內(nèi)容！); return; pd.PrintPage += new PrintPageEventHandler(pd_PrintPage); prv.Document = pd; prv.Sh

6、owDialog();PrintDocument類1、 PrintDocument對象常用的屬性：對象常用的屬性：DefultPageSettings屬性：讀寫屬性。這是頁的設置用于要打?qū)傩裕鹤x寫屬性。這是頁的設置用于要打印的所有頁的默認設置。印的所有頁的默認設置。DocumentName屬性：讀寫屬性。打印文檔時要顯示的文檔屬性：讀寫屬性。打印文檔時要顯示的文檔名（在打印狀態(tài)對話框或打印隊列中顯示）。名（在打印狀態(tài)對話框或打印隊列中顯示）。OriginAtMargins屬性：讀寫屬性。與面關(guān)聯(lián)的圖形對象的位屬性：讀寫屬性。與面關(guān)聯(lián)的圖形對象的位置是位于用戶指定的邊距內(nèi)，還是位于該頁打印區(qū)域的

7、左上角。置是位于用戶指定的邊距內(nèi)，還是位于該頁打印區(qū)域的左上角。PrintController屬性：獲取或設置打印進程的打印控制器。屬性：獲取或設置打印進程的打印控制器。PrintSettings屬性：獲取或設置對文檔進行打印的打印機。屬性：獲取或設置對文檔進行打印的打印機。2、PrintDocument的方法的方法Print():如果不需要預覽或設置打印機，可以直接調(diào)用如果不需要預覽或設置打印機，可以直接調(diào)用Print方方法進行打印。如：法進行打印。如：pd.Print();3、PrintDocument的事件的事件PrintPage：當需要打印當前頁并輸出時發(fā)生。只有設置了打：當需要打印當

8、前頁并輸出時發(fā)生。只有設置了打印內(nèi)容后，才能打印輸出。印內(nèi)容后，才能打印輸出。創(chuàng)建打印文檔的方法：創(chuàng)建打印文檔的方法：System.Drawing.Printing.PrintDocument pd = new System.Drawing.Printing.PrintDocument();聲明打印文檔的打印當前頁事件：聲明打印文檔的打印當前頁事件：pd.PrintPage +=new PrintPageEventHandler(pd_PrintPage);創(chuàng)建打印文檔的打印頁事件過程：創(chuàng)建打印文檔的打印頁事件過程：private void pd_PrintPage(object sender

9、,PrintPageEventArgs ev) 設置打印的內(nèi)容；打印文檔調(diào)用打印方法：打印文檔調(diào)用打印方法：pd.Print();打印字符串的方法：打印字符串的方法：ev.Graphics.DrawString(字符串, 字體, 畫刷, 打印起始點);字體設置格式：字體設置格式：Font f= new Font(“字體”, 字號，字型，單位);畫刷的定義：畫刷的定義：Brush br = Brushes.Red；PrintPreviewDialog類1、PrintPreviewDialog的屬性Document：獲取或設置預覽的文檔。如：prv.Documet=pd;Modal：是否有模式地顯

10、示上窗口。2、打印位置如：ev.Graphics.DrawString(line, printFont, Brushes.Black, new PointF(ev.MarginBounds.Left, ev.MarginBounds.Top);用于調(diào)整位置的值： new PointF(ev.MarginBounds.Left, ev.MarginBounds.Top)設計用打印機打印表格。設計用打印機打印表格。命名空間：using System.Data.SqlClient;using System.Drawing .Printing ;using System.IO;定義類的成員變量：Sql

11、Connection con = new SqlConnection(server=.;database=stuM;integrated security=true);DataTable dt = new DataTable();private Font printFont = null;/設置打印字體string couresName = “”;/打印的課程名int n = 0;/確定行數(shù)string className;/打印的班級名數(shù)組string RenShu;/打印的人 數(shù)數(shù)組string Sumf;/打印的班級總分string RenshuTotal;/匯總?cè)撕嫌媠tring Su

12、mTotal;/匯總總分合計窗體裝入事件代碼string sqlstr = select * from couresTab;SqlDataAdapter da = new SqlDataAdapter(sqlstr, con);DataTable dt = new DataTable();da.Fill(dt);cbx_KC.DataSource = dt;cbx_KC.DisplayMember = couresName;cbx_KC.ValueMember = couresId;cbx_KC.SelectedIndex = 0;組合框選擇改變事件代碼SqlCommand com = new

13、 SqlCommand(KCTJ,con);com.CommandType = CommandType.StoredProcedure;com.Parameters.Add(kcId, SqlDbType.NVarChar, 2).Value = cbx_KC.SelectedValue.ToString ();com.Parameters.Add(bjzs, SqlDbType.Int);com.Parameters1.Direction = ParameterDirection.Output;SqlDataAdapter da = new SqlDataAdapter(com);dt.Cl

14、ear();da.Fill(dt);dataGridView1 .DataSource =dt;label3 .Text =班級總數(shù)：+com .Parametersbjzs.Value .ToString ();couresName = cbx_KC.Text; 打印按鈕單擊事件代碼： n = dt.Rows.Count; className=new stringn;/班級名稱 RenShu = new stringn;/考試人數(shù) Sumf = new stringn;/總分 int RSTotal = 0;/人數(shù)合計 double SumfTotal = 0;/總分合計 for (int

15、i=0;in;i+) classNamei = dt.Rowsi0.ToString(); RenShui = dt.Rowsi1.ToString(); RSTotal = RSTotal + int.Parse (dt.Rowsi1.ToString (); Sumfi = dt.Rowsi2.ToString(); SumfTotal = SumfTotal + double.Parse(dt.Rowsi2.ToString(); RenshuTotal = RSTotal.ToString(); SumTotal = SumfTotal.ToString(); printFont =

16、new Font(Arial, 10); PrintDocument pd = new PrintDocument();/建立打印的文檔 PaperSize ps = new PaperSize();/定義紙張的大小 ps.RawKind = 9;/8是A3紙，9是A4紙，10是A4小，11是A5，12是B4，13是B5，大于118是自定義紙張、可以定義紙張的寬度和高度。 /ps.Height = 370;/定義紙的高度 /ps.Width = 854;/定義紙的寬度 pd.DefaultPageSettings.PaperSize = ps; pd.DefaultPageSettings.L

17、andscape = true;/控件打印紙的方向，True是橫向打印，默認為false縱向打印。 pd.PrintPage +=new PrintPageEventHandler(pd_PrintPage);/調(diào)用打印事件 PageSetupDialog psd = new PageSetupDialog();/頁面設置對話框 psd.ShowNetwork = false;/頁面設置對話框的打印按鈕對話框中的遠程網(wǎng)絡按鈕是否可見 psd.PageSettings = new PageSettings();/用于單頁打印的頁設置 psd.ShowDialog(); pd.PrinterSet

18、tings = psd.PrinterSettings;/獲取或設置與該頁關(guān)聯(lián)的打印機的設置 pd.DefaultPageSettings = psd.PageSettings; pd.Print(); 用制表符來畫表格 private void pd_PrintPage(object sender, PrintPageEventArgs ev)/定義打印事件 /以下代碼是用制表符打印表格，質(zhì)量差，主要是制表符對不齊 Single linesPerPage = 0;/每一頁的行數(shù) Single yPos = 0; int count = 0; Single leftMargin =ev.Mar

19、ginBounds .Left + 20;/左頁邊距 Single topMargin = ev .MarginBounds .Top -30;/上頁邊距 string line = null; linesPerPage = ev.MarginBounds.Height / printFont.GetHeight(ev.Graphics);/每一頁的打印行數(shù)，為頁的高度除以打印字體的高度 /打印第一行 line = 班級成績統(tǒng)計; printFont = new Font(Arial, 30); yPos = topMargin + count * printFont.GetHeight(ev

20、.Graphics); ev.Graphics.DrawString(line, printFont, Brushes.Blue , leftMargin+40, yPos, new StringFormat(); /打印第二行，打印課程名，打印日期 line = 課程名： + couresName + + System.DateTime.Now.ToString(); printFont = new Font(Arial, 10); count = count + 1; yPos = topMargin + count * printFont.GetHeight(ev.Graphics)+4

21、0; ev.Graphics.DrawString(line, printFont, Brushes.Red, leftMargin, yPos, new StringFormat(); /打印第三行，主要是制表符 line = ; count = count + 1; yPos = topMargin + count * printFont.GetHeight(ev.Graphics)+40; ev.Graphics.DrawString(line, printFont, Brushes.Green , leftMargin, yPos, new StringFormat(); line =

22、 ; ev.Graphics.DrawString(line, printFont, Brushes.Green, leftMargin + 106, yPos, new StringFormat(); line = ; ev.Graphics.DrawString(line, printFont, Brushes.Green, leftMargin + 212, yPos, new StringFormat(); line = ; ev.Graphics.DrawString(line, printFont, Brushes.Green , leftMargin+318, yPos, new

23、 StringFormat(); line = ; ev.Graphics.DrawString(line, printFont, Brushes.Green, leftMargin + 424, yPos, new StringFormat(); /打印第四行 count = count + 1; line = ; yPos = topMargin + count * printFont.GetHeight(ev.Graphics)+40; ev.Graphics.DrawString(line, printFont, Brushes.Green , leftMargin, yPos, ne

24、w StringFormat(); line = 班級名稱:; ev.Graphics.DrawString(line, printFont, Brushes.Green , leftMargin+20, yPos, new StringFormat(); line = ; ev.Graphics.DrawString(line, printFont, Brushes.Green , leftMargin+110, yPos, new StringFormat(); line = 人數(shù); ev.Graphics.DrawString(line, printFont, Brushes.Green

25、 , leftMargin + 130, yPos, new StringFormat(); line = ; ev.Graphics.DrawString(line, printFont, Brushes.Green , leftMargin + 216, yPos, new StringFormat(); line = 總分; ev.Graphics.DrawString(line, printFont, Brushes.Green, leftMargin + 238, yPos, new StringFormat(); line = ; ev.Graphics.DrawString(li

26、ne, printFont, Brushes.Green, leftMargin + 322, yPos, new StringFormat(); line = 備注; ev.Graphics.DrawString(line, printFont, Brushes.Green, leftMargin + 346, yPos, new StringFormat(); line = ; ev.Graphics.DrawString(line, printFont, Brushes.Green, leftMargin + 424, yPos, new StringFormat(); /打印第五行 c

27、ount = count + 1; line = ; yPos = topMargin + count * printFont.GetHeight(ev.Graphics) + 40; ev.Graphics.DrawString(line, printFont, Brushes.Green, leftMargin, yPos, new StringFormat(); line = ; ev.Graphics.DrawString(line, printFont, Brushes.Green, leftMargin + 106, yPos, new StringFormat(); line =

28、 ; ev.Graphics.DrawString(line, printFont, Brushes.Green, leftMargin + 212, yPos, new StringFormat(); line = ; ev.Graphics.DrawString(line, printFont, Brushes.Green, leftMargin + 318, yPos, new StringFormat(); line = ; ev.Graphics.DrawString(line, printFont, Brushes.Green, leftMargin + 424, yPos, ne

29、w StringFormat(); /第六行后，可能有多行 printFont = new Font(Arial, 10); for (int i = 0; i n; i+) count = count + 1; line = ; yPos = topMargin + count * printFont.GetHeight(ev.Graphics) + 40; ev.Graphics.DrawString(line, printFont, Brushes.Green, leftMargin, yPos, new StringFormat(); line = className i; ev.Gr

30、aphics.DrawString(line, printFont, Brushes.Green, leftMargin + 20, yPos, new StringFormat(); line = ; ev.Graphics.DrawString(line, printFont, Brushes.Green, leftMargin + 110, yPos, new StringFormat(); line = RenShu i; ev.Graphics.DrawString(line, printFont, Brushes.Green, leftMargin + 130, yPos, new

31、 StringFormat(); line = ; ev.Graphics.DrawString(line, printFont, Brushes.Green, leftMargin + 216, yPos, new StringFormat(); line = Sumfi; ev.Graphics.DrawString(line, printFont, Brushes.Green, leftMargin + 238, yPos, new StringFormat(); line = ; ev.Graphics.DrawString(line, printFont, Brushes.Green

32、, leftMargin + 322, yPos, new StringFormat(); line = ; ev.Graphics.DrawString(line, printFont, Brushes.Green, leftMargin + 424, yPos, new StringFormat(); count = count + 1; line = ; yPos = topMargin + count * printFont.GetHeight(ev.Graphics) + 40; ev.Graphics.DrawString(line, printFont, Brushes.Gree

33、n, leftMargin, yPos, new StringFormat(); line = ; ev.Graphics.DrawString(line, printFont, Brushes.Green, leftMargin + 106, yPos, new StringFormat(); line = ; ev.Graphics.DrawString(line, printFont, Brushes.Green, leftMargin + 212, yPos, new StringFormat(); line = ; ev.Graphics.DrawString(line, print

34、Font, Brushes.Green, leftMargin + 318, yPos, new StringFormat(); line = ; ev.Graphics.DrawString(line, printFont, Brushes.Green, leftMargin + 424, yPos, new StringFormat(); /表格的匯總行 count = count + 1; line = ; yPos = topMargin + count * printFont.GetHeight(ev.Graphics) + 40; ev.Graphics.DrawString(li

35、ne, printFont, Brushes.Green, leftMargin, yPos, new StringFormat(); line = 匯總; ev.Graphics.DrawString(line, printFont, Brushes.Green, leftMargin + 20, yPos, new StringFormat(); line = ; ev.Graphics.DrawString(line, printFont, Brushes.Green, leftMargin + 110, yPos, new StringFormat(); line = RenshuTo

36、tal.ToString(); ev.Graphics.DrawString(line, printFont, Brushes.Green, leftMargin + 130, yPos, new StringFormat(); line = ; ev.Graphics.DrawString(line, printFont, Brushes.Green, leftMargin + 216, yPos, new StringFormat(); line = SumTotal.ToString(); ev.Graphics.DrawString(line, printFont, Brushes.G

37、reen, leftMargin + 238, yPos, new StringFormat(); line = ; ev.Graphics.DrawString(line, printFont, Brushes.Green, leftMargin + 322, yPos, new StringFormat(); line = ; ev.Graphics.DrawString(line, printFont, Brushes.Green, leftMargin + 424, yPos, new StringFormat(); count = count + 1; line = ; yPos =

38、 topMargin + count * printFont.GetHeight(ev.Graphics) + 40; ev.Graphics.DrawString(line, printFont, Brushes.Green, leftMargin, yPos, new StringFormat(); line = ; ev.Graphics.DrawString(line, printFont, Brushes.Green, leftMargin + 106, yPos, new StringFormat(); line = ; ev.Graphics.DrawString(line, p

39、rintFont, Brushes.Green, leftMargin + 212, yPos, new StringFormat(); line = ; ev.Graphics.DrawString(line, printFont, Brushes.Green, leftMargin + 318, yPos, new StringFormat(); line = ; ev.Graphics.DrawString(line, printFont, Brushes.Green, leftMargin + 424, yPos, new StringFormat(); line = null; /如

40、果有更多的行，打印另一些頁 if (line != null) ev.HasMorePages = true; else ev.HasMorePages = false; 打印預覽按鈕代碼： n = dt.Rows.Count; className = new stringn;/班級名稱 RenShu = new stringn;/考試人數(shù) Sumf = new stringn;/總分 int RSTotal = 0;/人數(shù)合計 double SumfTotal = 0;/總分合計 for (int i = 0; i n; i+) classNamei = dt.Rowsi0.ToString

41、(); RenShui = dt.Rowsi1.ToString(); RSTotal = RSTotal + int.Parse(dt.Rowsi1.ToString(); Sumfi = dt.Rowsi2.ToString(); SumfTotal = SumfTotal + double.Parse(dt.Rowsi2.ToString(); RenshuTotal = RSTotal.ToString(); SumTotal = SumfTotal.ToString(); printFont = new Font(Arial, 10); PrintDocument pd = new

42、PrintDocument();/建立打印的文檔 pd.PrintPage += new PrintPageEventHandler(pd_PrintPage);/調(diào)用打印事件 PageSetupDialog psd = new PageSetupDialog();/頁面設置對話框 psd.ShowNetwork = false;/頁面設置對話框的打印按鈕對話框中的遠程網(wǎng)絡按鈕是否可見 psd.PageSettings = new PageSettings();/用于單頁打印的頁設置 psd.ShowDialog(); pd.PrinterSettings = psd.PrinterSetti

43、ngs;/獲取或設置與該頁關(guān)聯(lián)的打印機的設置 pd.DefaultPageSettings = psd.PageSettings; PrintPreviewDialog prv = new PrintPreviewDialog();/預覽對話框 prv.Document = pd; prv.ShowDialog(); 打印預覽對象的創(chuàng)建：打印預覽對象的創(chuàng)建：PrintPreviewDialog prv = new PrintPreviewDialog();預覽的內(nèi)容的建立：預覽的內(nèi)容的建立：prv.Document = pd;進行預覽：進行預覽：prv.ShowDialog();打印頁面設置對

44、話框的建立：打印頁面設置對話框的建立：PageSetupDialog ps = new PageSetupDialog();打印線條圖形的方法：打印線條圖形的方法：ev.Graphics.DrawLine(畫筆, 起始位置, 終止位置);畫筆的定義：畫筆的定義：Pen p = new Pen(畫筆的顏色, 畫筆的寬度); 打印機打印事件的代碼改為以下代碼： Single linesPerPage = 0, startX = 0, startY = 0, Y;/startX = 0, startY = 0,Y文字輸出的打印點坐標 int count = 0, startPX = 0, start

45、PY = 0, endPX = 0, endPY = 0;/count記錄行數(shù)，其他的記錄表格線條坐標位置 startX = ev.MarginBounds.Left + 120;/ev.MarginBounds .Left左頁邊距 startY = ev .MarginBounds .Top+30;/上頁邊距 string line = null; linesPerPage = ev.MarginBounds.Height / printFont.GetHeight(ev.Graphics);/每一頁的打印行數(shù)，為頁的高度除以打印字體的高度 /打印第一行 ; line =Space (6)+

46、 班級成績統(tǒng)計; printFont = new Font(Arial, 30);/第一行字的字體、字號 Y = startY + count * printFont.GetHeight(ev.Graphics); ; ev.Graphics.DrawString(line, printFont, Brushes.Blue, startX, Y, new StringFormat(); /打印第二行，打印課程名，打印日期 line = 課程名： + couresName + Space(50) + System.DateTime.Now.ToString(); count = count +

47、1; printFont = new Font(Arial, 10);/后面要打印字的字體，字號 Y = startY + count * printFont.GetHeight(ev.Graphics)+40; ev.Graphics.DrawString(line, printFont, Brushes.Red, startX, Y, new StringFormat(); /計算畫第一條表格線的起始坐標和終止坐標位置 startPX = (int)startX; startPY = (int)Y + (count + 1) * 16 - 8;/10號字的高度是16，減8是為了畫的線在這一

48、行的中間 endPX = startPX + 440; endPY = startPY; /第四行 count = count + 2; Y = startY + count * printFont.GetHeight(ev.Graphics)+40; line = 班級名稱; ev.Graphics.DrawString(line, printFont, Brushes.Green, startX + 20, Y, new StringFormat(); line = 人數(shù); ev.Graphics.DrawString(line, printFont, Brushes.Green, sta

49、rtX + 130, Y, new StringFormat(); line = 總分; ev.Graphics.DrawString(line, printFont, Brushes.Green, startX + 240, Y, new StringFormat(); line = 備注; ev.Graphics.DrawString(line, printFont, Brushes.Green, startX + 350, Y, new StringFormat(); /第六行后，可能有多行，n是查詢得到數(shù)據(jù)的行數(shù) for (int i = 0; i n; i+) count = cou

50、nt + 2; Y = startY + count * printFont.GetHeight(ev.Graphics) + 40; line = className i; ev.Graphics.DrawString(line, printFont, Brushes.Green, startX + 20, Y, new StringFormat(); line = RenShu i; ev.Graphics.DrawString(line, printFont, Brushes.Green, startX + 130, Y, new StringFormat(); line = Sumfi

51、; ev.Graphics.DrawString(line, printFont, Brushes.Green, startX + 240, Y, new StringFormat(); /表格的匯總行 count = count + 2; Y = startY + count * printFont.GetHeight(ev.Graphics) + 40; line = 匯總; ev.Graphics.DrawString(line, printFont, Brushes.Green, startX + 20, Y, new StringFormat(); line = RenshuTota

52、l.ToString(); ev.Graphics.DrawString(line, printFont, Brushes.Green, startX + 130,Y, new StringFormat(); line = SumTotal.ToString(); ev.Graphics.DrawString(line, printFont, Brushes.Green, startX + 240, Y, new StringFormat(); /計算畫最后一條表格線條的起始位置和終止位置 /畫橫線,畫線條數(shù)應該是數(shù)據(jù)行n+標題行1+匯總行1+1 for (int i = 0; i n + 3

53、; i+) Pen p = new Pen(Color.Red, 1);/定義畫筆及畫筆的顏色和寬度 Point startP = new Point(startPX, startPY); Point endP = new Point(endPX, endPY); ev.Graphics.DrawLine(p, startP, endP); startPY = startPY + 2 * 16;/下一條線的y坐標位置,10號字符的高度是16 endPY = startPY; /畫縱線 endPY = endPY - 32; endPX = startPX; startPX = endPX; s

54、tartPY = endPY - (n + 2) * 2 * 16; for (int j = 0; j 5; j+) Pen p = new Pen(Color.Red, 1);/定義畫筆及畫筆的顏色和寬度 Point startP = new Point(startPX, startPY); Point endP = new Point(endPX, endPY); ev.Graphics.DrawLine(p, startP, endP); startPX = startPX + 110;/每一個列寬是110 endPX = startPX; line = null; /如果有更多的行，

55、打印另一些頁 if (line != null) ev.HasMorePages = true; else ev.HasMorePages = false;優(yōu)點：表格打印優(yōu)點：表格打印線條無縫對接，線條無縫對接，沒有制表符哪樣沒有制表符哪樣的接口。的接口。在表格中輸出圖片并分頁打印。添加命名空間： using System.Drawing.Printing;添加類的成員變量： DataSet ds1 = new DataSet(); int n = 0;/存儲數(shù)據(jù)集的記錄數(shù) private System .Drawing . Font printFont = new System.Drawin

56、g.Font(Arial, 10);/設置打印字體 string stuNo ;/學號 string stuName ;/學生名稱 string Sex ;/性別 string Birthday ;/出生日期 string Tel;/電話 Bitmap img ;/圖片 int pageCount = 0;/用于控制當前打印的頁數(shù) int k = 0;/用于控制當前打印的記錄的記錄號 int m = 0;/用于控制每頁打印的最后一條記錄的記錄號打印事件代碼：private void pd_PrintPage(object sender, PrintPageEventArgs ev)/定義打印事

57、件 pageCount+; if (pageCount = System.Math.Ceiling(n / 7.0)/每頁打印7條記錄的信息，n是記錄的總條數(shù) ev.HasMorePages = true;/可以實現(xiàn)分頁打印 m = pageCount * 7 - 1;/每一頁最后一條記錄的記錄號的最大可能值 k = pageCount * 7 - 7;/每一條的第一條記錄的記錄號 /以下代碼是用制表符打印表格 Single yPos = 0; int count = 0; Single leftMargin = 120;/左頁邊距 Single topMargin = ev.MarginBo

58、unds.Top - 30;/上頁邊距 string line = null; /打印第一行 line = 學生花名冊名片; printFont = new System.Drawing.Font (Arial, 30); yPos = topMargin + count * printFont.GetHeight(ev.Graphics); ev.Graphics.DrawString(line, printFont, Brushes.Blue, leftMargin+50, yPos, new StringFormat(); /打印第二行，打印日期 line = 打印日期： + Syste

59、m.DateTime.Now.ToString(); printFont = new System.Drawing .Font (Arial, 10); count = count + 1; yPos = topMargin + count * printFont.GetHeight(ev.Graphics) + 40; ev.Graphics.DrawString(line, printFont, Brushes.Red, leftMargin+100, yPos, new StringFormat(); /打印第三行，主要是制表符 for (; k = n)/當前要打印的記錄的記錄號超過或

60、者等于數(shù)據(jù)集的記錄數(shù)時，不再打印多頁，并退出循環(huán) ev.HasMorePages = false; line = null; img = null; pageCount = 0; break; count = count + 1; line = ; yPos = topMargin + count * printFont.GetHeight(ev.Graphics) + 40; ev.Graphics.DrawString(line, printFont, Brushes.Green, leftMargin, yPos, new StringFormat(); line = ; ev.Graphics