项目打印输出表格图片及分页打印课件

1、项目六：打印输出项目六：打印输出主讲人:艾长春教学目的要求：教学目的要求：1、掌握、掌握PrintDocument类的对象的常用属性和类的对象的常用属性和方法、事件；方法、事件；2、掌握、掌握PrintPreviewDialog类的对象的常用属类的对象的常用属性和方法；性和方法；3、学会用、学会用Font类的对象定义。类的对象定义。4、掌握字符串对象、表格、图片的打印输出、掌握字符串对象、表格、图片的打印输出方法，学习分页打印。方法，学习分页打印。教学重点、难点：教学重点、难点：字符串的输出、图片的输出字符串的输出、图片的输出学而不思则罔，思而不学则殆学而不思则罔，思而不学则殆命名空间：usi

2、ng System.IO ;using System.Drawing.Printing;在类中创建对象：文档对象、预览对象、画笔对象、字体对象private System.Drawing.Printing.PrintDocument pd = new System.Drawing.Printing.PrintDocument();/创建打印文档private PrintPreviewDialog prv = new PrintPreviewDialog();/创建打印预览对话框private string prText =null ;/打印内容Brush br = Brushes.Red;/创

3、建红色画笔Font f= new Font(“Arial”, 30);/设置字体PointF pf = new PointF(140,140);/定义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)/如果没有设置打印字体和画笔就用10号字，黑色 ev.Graphics.DrawString(prText, new Font (Arial,10),Brushes .Black ,new PointF(ev.MarginBou

4、nds .Left ,ev.MarginBounds .Top ); else ev.Graphics.DrawString(prText, f, br, pf); 用打印机进行打印一行文字。用打印机进行打印一行文字。打印按钮代码： prText = tbx_prText.Text; PointF pf = new PointF(this .Width /2-20,this .Height /2-20);/定义打印的起始位置 if (prText.Length = 0) MessageBox.Show(没有打印内容！); return; pd.PrintPage +=new PrintPage

5、EventHandler(pd_PrintPage); pd.Print();/开始打印 打印预览按钮代码 prText = tbx_prText.Text; PointF pf = new PointF(this.Width / 2 - 20, this.Height / 2 - 20);/定义打印的起始位置 if (prText.Length = 0) MessageBox.Show(没有打印内容！); return; pd.PrintPage += new PrintPageEventHandler(pd_PrintPage); prv.Document = pd; prv.ShowDi

6、alog();PrintDocument类1、 PrintDocument对象常用的属性：对象常用的属性：DefultPageSettings属性：读写属性。这是页的设置用于要打属性：读写属性。这是页的设置用于要打印的所有页的默认设置。印的所有页的默认设置。DocumentName属性：读写属性。打印文档时要显示的文档属性：读写属性。打印文档时要显示的文档名（在打印状态对话框或打印队列中显示）。名（在打印状态对话框或打印队列中显示）。OriginAtMargins属性：读写属性。与面关联的图形对象的位属性：读写属性。与面关联的图形对象的位置是位于用户指定的边距内，还是位于该页打印区域的左上角。

7、置是位于用户指定的边距内，还是位于该页打印区域的左上角。PrintController属性：获取或设置打印进程的打印控制器。属性：获取或设置打印进程的打印控制器。PrintSettings属性：获取或设置对文档进行打印的打印机。属性：获取或设置对文档进行打印的打印机。2、PrintDocument的方法的方法Print():如果不需要预览或设置打印机，可以直接调用如果不需要预览或设置打印机，可以直接调用Print方方法进行打印。如：法进行打印。如：pd.Print();3、PrintDocument的事件的事件PrintPage：当需要打印当前页并输出时发生。只有设置了打：当需要打印当前页并输

8、出时发生。只有设置了打印内容后，才能打印输出。印内容后，才能打印输出。创建打印文档的方法：创建打印文档的方法：System.Drawing.Printing.PrintDocument pd = new System.Drawing.Printing.PrintDocument();声明打印文档的打印当前页事件：声明打印文档的打印当前页事件：pd.PrintPage +=new PrintPageEventHandler(pd_PrintPage);创建打印文档的打印页事件过程：创建打印文档的打印页事件过程：private void pd_PrintPage(object sender,Pri

9、ntPageEventArgs ev) 设置打印的内容；打印文档调用打印方法：打印文档调用打印方法：pd.Print();打印字符串的方法：打印字符串的方法：ev.Graphics.DrawString(字符串, 字体, 画刷, 打印起始点);字体设置格式：字体设置格式：Font f= new Font(“字体”, 字号，字型，单位);画刷的定义：画刷的定义：Brush br = Brushes.Red；PrintPreviewDialog类1、PrintPreviewDialog的属性Document：获取或设置预览的文档。如：prv.Documet=pd;Modal：是否有模式地显示上窗口

10、。2、打印位置如：ev.Graphics.DrawString(line, printFont, Brushes.Black, new PointF(ev.MarginBounds.Left, ev.MarginBounds.Top);用于调整位置的值： new PointF(ev.MarginBounds.Left, ev.MarginBounds.Top)设计用打印机打印表格。设计用打印机打印表格。命名空间：using System.Data.SqlClient;using System.Drawing .Printing ;using System.IO;定义类的成员变量：SqlConn

11、ection con = new SqlConnection(server=.;database=stuM;integrated security=true);DataTable dt = new DataTable();private Font printFont = null;/设置打印字体string couresName = “”;/打印的课程名int n = 0;/确定行数string className;/打印的班级名数组string RenShu;/打印的人 数数组string Sumf;/打印的班级总分string RenshuTotal;/汇总人合计string SumTot

12、al;/汇总总分合计窗体装入事件代码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;组合框选择改变事件代码SqlCommand com = new Sql

13、Command(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.Clear(

14、);da.Fill(dt);dataGridView1 .DataSource =dt;label3 .Text =班级总数：+com .Parametersbjzs.Value .ToString ();couresName = cbx_KC.Text; 打印按钮单击事件代码： n = dt.Rows.Count; className=new stringn;/班级名称 RenShu = new stringn;/考试人数 Sumf = new stringn;/总分 int RSTotal = 0;/人数合计 double SumfTotal = 0;/总分合计 for (int i=0;

15、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 = new

16、Font(Arial, 10); PrintDocument pd = new PrintDocument();/建立打印的文档 PaperSize ps = new PaperSize();/定义纸张的大小 ps.RawKind = 9;/8是A3纸，9是A4纸，10是A4小，11是A5，12是B4，13是B5，大于118是自定义纸张、可以定义纸张的宽度和高度。 /ps.Height = 370;/定义纸的高度 /ps.Width = 854;/定义纸的宽度 pd.DefaultPageSettings.PaperSize = ps; pd.DefaultPageSettings.Lands

17、cape = true;/控件打印纸的方向，True是横向打印，默认为false纵向打印。 pd.PrintPage +=new PrintPageEventHandler(pd_PrintPage);/调用打印事件 PageSetupDialog psd = new PageSetupDialog();/页面设置对话框 psd.ShowNetwork = false;/页面设置对话框的打印按钮对话框中的远程网络按钮是否可见 psd.PageSettings = new PageSettings();/用于单页打印的页设置 psd.ShowDialog(); pd.PrinterSetting

18、s = psd.PrinterSettings;/获取或设置与该页关联的打印机的设置 pd.DefaultPageSettings = psd.PageSettings; pd.Print(); 用制表符来画表格 private void pd_PrintPage(object sender, PrintPageEventArgs ev)/定义打印事件 /以下代码是用制表符打印表格，质量差，主要是制表符对不齐 Single linesPerPage = 0;/每一页的行数 Single yPos = 0; int count = 0; Single leftMargin =ev.MarginB

19、ounds .Left + 20;/左页边距 Single topMargin = ev .MarginBounds .Top -30;/上页边距 string line = null; linesPerPage = ev.MarginBounds.Height / printFont.GetHeight(ev.Graphics);/每一页的打印行数，为页的高度除以打印字体的高度 /打印第一行 line = 班级成绩统计; printFont = new Font(Arial, 30); yPos = topMargin + count * printFont.GetHeight(ev.Gra

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

21、v.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 = ; e

22、v.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 Str

23、ingFormat(); 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, new St

24、ringFormat(); line = 班级名称:; 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 = 人数; ev.Graphics.DrawString(line, printFont, Brushes.Green , l

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

26、printFont, Brushes.Green, leftMargin + 322, yPos, new StringFormat(); line = 备注; 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 count

27、 = 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 = ; e

28、v.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, new St

29、ringFormat(); /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.Graphi

30、cs.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 Str

31、ingFormat(); 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, le

32、ftMargin + 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.Green, l

33、eftMargin, 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, printFont

34、, Brushes.Green, leftMargin + 318, yPos, new StringFormat(); line = ; ev.Graphics.DrawString(line, printFont, Brushes.Green, leftMargin + 424, yPos, new StringFormat(); /表格的汇总行 count = count + 1; line = ; yPos = topMargin + count * printFont.GetHeight(ev.Graphics) + 40; ev.Graphics.DrawString(line,

35、printFont, Brushes.Green, leftMargin, yPos, new StringFormat(); line = 汇总; 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 = RenshuTotal.

36、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.Green

37、, 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 = top

38、Margin + 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, print

39、Font, 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; /如果有更多

40、的行，打印另一些页 if (line != null) ev.HasMorePages = true; else ev.HasMorePages = false; 打印预览按钮代码： n = dt.Rows.Count; className = new stringn;/班级名称 RenShu = new stringn;/考试人数 Sumf = new stringn;/总分 int RSTotal = 0;/人数合计 double SumfTotal = 0;/总分合计 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 Prin

42、tDocument();/建立打印的文档 pd.PrintPage += new PrintPageEventHandler(pd_PrintPage);/调用打印事件 PageSetupDialog psd = new PageSetupDialog();/页面设置对话框 psd.ShowNetwork = false;/页面设置对话框的打印按钮对话框中的远程网络按钮是否可见 psd.PageSettings = new PageSettings();/用于单页打印的页设置 psd.ShowDialog(); pd.PrinterSettings = psd.PrinterSettings;

43、/获取或设置与该页关联的打印机的设置 pd.DefaultPageSettings = psd.PageSettings; PrintPreviewDialog prv = new PrintPreviewDialog();/预览对话框 prv.Document = pd; prv.ShowDialog(); 打印预览对象的创建：打印预览对象的创建：PrintPreviewDialog prv = new PrintPreviewDialog();预览的内容的建立：预览的内容的建立：prv.Document = pd;进行预览：进行预览：prv.ShowDialog();打印页面设置对话框的建

44、立：打印页面设置对话框的建立：PageSetupDialog ps = new PageSetupDialog();打印线条图形的方法：打印线条图形的方法：ev.Graphics.DrawLine(画笔, 起始位置, 终止位置);画笔的定义：画笔的定义：Pen p = new Pen(画笔的颜色, 画笔的宽度); 打印机打印事件的代码改为以下代码： Single linesPerPage = 0, startX = 0, startY = 0, Y;/startX = 0, startY = 0,Y文字输出的打印点坐标 int count = 0, startPX = 0, startPY =

45、 0, endPX = 0, endPY = 0;/count记录行数，其他的记录表格线条坐标位置 startX = ev.MarginBounds.Left + 120;/ev.MarginBounds .Left左页边距 startY = ev .MarginBounds .Top+30;/上页边距 string line = null; linesPerPage = ev.MarginBounds.Height / printFont.GetHeight(ev.Graphics);/每一页的打印行数，为页的高度除以打印字体的高度 /打印第一行 ; line =Space (6)+ 班级成

46、绩统计; printFont = new Font(Arial, 30);/第一行字的字体、字号 Y = startY + count * printFont.GetHeight(ev.Graphics); ; ev.Graphics.DrawString(line, printFont, Brushes.Blue, startX, Y, new StringFormat(); /打印第二行，打印课程名，打印日期 line = 课程名： + couresName + Space(50) + System.DateTime.Now.ToString(); count = count + 1; p

47、rintFont = new Font(Arial, 10);/后面要打印字的字体，字号 Y = startY + count * printFont.GetHeight(ev.Graphics)+40; ev.Graphics.DrawString(line, printFont, Brushes.Red, startX, Y, new StringFormat(); /计算画第一条表格线的起始坐标和终止坐标位置 startPX = (int)startX; startPY = (int)Y + (count + 1) * 16 - 8;/10号字的高度是16，减8是为了画的线在这一行的中间

48、 endPX = startPX + 440; endPY = startPY; /第四行 count = count + 2; Y = startY + count * printFont.GetHeight(ev.Graphics)+40; line = 班级名称; ev.Graphics.DrawString(line, printFont, Brushes.Green, startX + 20, Y, new StringFormat(); line = 人数; ev.Graphics.DrawString(line, printFont, Brushes.Green, startX

49、+ 130, Y, new StringFormat(); line = 总分; ev.Graphics.DrawString(line, printFont, Brushes.Green, startX + 240, Y, new StringFormat(); line = 备注; ev.Graphics.DrawString(line, printFont, Brushes.Green, startX + 350, Y, new StringFormat(); /第六行后，可能有多行，n是查询得到数据的行数 for (int i = 0; i n; i+) count = count +

50、 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; ev

51、.Graphics.DrawString(line, printFont, Brushes.Green, startX + 240, Y, new StringFormat(); /表格的汇总行 count = count + 2; Y = startY + count * printFont.GetHeight(ev.Graphics) + 40; line = 汇总; ev.Graphics.DrawString(line, printFont, Brushes.Green, startX + 20, Y, new StringFormat(); line = RenshuTotal.To

52、String(); 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(); /计算画最后一条表格线条的起始位置和终止位置 /画横线,画线条数应该是数据行n+标题行1+汇总行1+1 for (int i = 0; i n + 3; i+

53、) Pen p = new Pen(Color.Red, 1);/定义画笔及画笔的颜色和宽度 Point startP = new Point(startPX, startPY); Point endP = new Point(endPX, endPY); ev.Graphics.DrawLine(p, startP, endP); startPY = startPY + 2 * 16;/下一条线的y坐标位置,10号字符的高度是16 endPY = startPY; /画纵线 endPY = endPY - 32; endPX = startPX; startPX = endPX; start

54、PY = endPY - (n + 2) * 2 * 16; for (int j = 0; j 5; j+) Pen p = new Pen(Color.Red, 1);/定义画笔及画笔的颜色和宽度 Point startP = new Point(startPX, startPY); Point endP = new Point(endPX, endPY); ev.Graphics.DrawLine(p, startP, endP); startPX = startPX + 110;/每一个列宽是110 endPX = startPX; line = null; /如果有更多的行，打印另一

55、些页 if (line != null) ev.HasMorePages = true; else ev.HasMorePages = false;优点：表格打印优点：表格打印线条无缝对接，线条无缝对接，没有制表符哪样没有制表符哪样的接口。的接口。在表格中输出图片并分页打印。添加命名空间： using System.Drawing.Printing;添加类的成员变量： DataSet ds1 = new DataSet(); int n = 0;/存储数据集的记录数 private System .Drawing . Font printFont = new System.Drawing.Fo

56、nt(Arial, 10);/设置打印字体 string stuNo ;/学号 string stuName ;/学生名称 string Sex ;/性别 string Birthday ;/出生日期 string Tel;/电话 Bitmap img ;/图片 int pageCount = 0;/用于控制当前打印的页数 int k = 0;/用于控制当前打印的记录的记录号 int m = 0;/用于控制每页打印的最后一条记录的记录号打印事件代码：private void pd_PrintPage(object sender, PrintPageEventArgs ev)/定义打印事件 pa

57、geCount+; if (pageCount = System.Math.Ceiling(n / 7.0)/每页打印7条记录的信息，n是记录的总条数 ev.HasMorePages = true;/可以实现分页打印 m = pageCount * 7 - 1;/每一页最后一条记录的记录号的最大可能值 k = pageCount * 7 - 7;/每一条的第一条记录的记录号 /以下代码是用制表符打印表格 Single yPos = 0; int count = 0; Single leftMargin = 120;/左页边距 Single topMargin = ev.MarginBounds

58、.Top - 30;/上页边距 string line = null; /打印第一行 line = 学生花名册名片; 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： + System.Da

59、teTime.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)/当前要打印的记录的记录号超过或者等于数

60、据集的记录数时，不再打印多页，并退出循环 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