private void printDocument_PrintPage(object sender, System.Drawing.Printing.PrintPageEventArgs e) 
            { 

                int width=e.PageBounds.Width; 
                int height=e.PageBounds.Height; 

                if(this.isAutoPageRowCount) 
                    pageRowCount=(int)((height-this.topMargin-titleSize-this.headerFont.Height-this.headerHeight-this.buttomMargin)/this.rowGap); 

                pageCount=(int)(rowCount/pageRowCount); 
                if(rowCount%pageRowCount>0) 
                    pageCount++; 

                int xoffset=(int)((width-e.Graphics.MeasureString(this.title,this.titleFont).Width)/2); 
                int colCount = 0; 
                int x = 0; 
                int y =topMargin; 
                string cellValue = ""; 

                int startRow=currentPageIndex*pageRowCount; 
                int endRow=startRow+this.pageRowCount<rowCount?startRow+pageRowCount:rowCount; 
                int currentPageRowCount=endRow-startRow; 


                if(this.currentPageIndex==0 || this.isEveryPagePrintTitle) 
                { 
                    e.Graphics.DrawString(this.title,titleFont,brush,xoffset,y); 
                    y+=titleSize; 
                } 



                colCount = dataGrid.TableStyles[0].GridColumnStyles.Count; 

                y += rowGap; 
                x = leftMargin; 


                DrawLine(new Point(x,y),new Point(x,y+currentPageRowCount*rowGap+this.headerHeight),e.Graphics);//最左边的竖线 

                int lastIndex=-1; 
                int lastLength=0; 
                int indexj=-1; 

                for(int j = 0; j < colCount; j++) 
                { 
                    int colWidth=dataGrid.TableStyles[0].GridColumnStyles[j].Width; 
                    if( colWidth> 0) 
                    { 
                        indexj++; 
                        if(this.header==null || this.header[indexj]=="") 
                            cellValue = dataGrid.TableStyles[0].GridColumnStyles[j].HeaderText; 
                        else 
                            cellValue=header[indexj]; 

                        if(this.isCustomHeader) 
                        { 
                            if(this.upLineHeaderIndex[indexj]!=lastIndex) 
                            { 

                                if(lastLength>0 && lastIndex>-1)//开始画上一个upline 
                                { 
                                    string upLineStr=this.uplineHeader[lastIndex]; 
                                    int upXOffset=(int)((lastLength-e.Graphics.MeasureString(upLineStr,this.upLineFont).Width)/2); 
                                    if(upXOffset<0) 
                                        upXOffset=0; 
                                    e.Graphics.DrawString(upLineStr,this.upLineFont,brush,x-lastLength+upXOffset,y+(int)(this.cellTopMargin/2)); 

                                    DrawLine(new Point(x-lastLength,y+(int)(this.headerHeight/2)),new Point(x,y+(int)(this.headerHeight/2)),e.Graphics);//中线 
                                    DrawLine(new Point(x,y),new Point(x,y+(int)(this.headerHeight/2)),e.Graphics); 
                                } 
                                lastIndex=this.upLineHeaderIndex[indexj]; 
                                lastLength=colWidth+colGap; 
                            } 
                            else 
                            { 
                                lastLength+=colWidth+colGap; 
                            } 
                        } 

                        //int currentY=y+cellTopMargin; 


                        int Xoffset=10; 
                        int Yoffset=20; 
                        int leftWordIndex=cellValue.IndexOf(this.splitChar); 
                        if(this.upLineHeaderIndex!=null && this.upLineHeaderIndex[indexj]>-1) 
                        { 

                            if(leftWordIndex>0) 
                            { 
                                string leftWord=cellValue.Substring(0,leftWordIndex); 
                                string rightWord=cellValue.Substring(leftWordIndex+1,cellValue.Length-leftWordIndex-1); 
                                //上面的字 
                                Xoffset=(int)(colWidth+colGap-e.Graphics.MeasureString(rightWord,this.upLineFont).Width); 
                                Yoffset=(int)(this.headerHeight/2-e.Graphics.MeasureString("a",this.underLineFont).Height); 


                                Xoffset=6; 
                                Yoffset=10; 
                                e.Graphics.DrawString(rightWord,this.underLineFont,brush,x+Xoffset-4,y+(int)(this.headerHeight/2)); 
                                e.Graphics.DrawString(leftWord,this.underLineFont,brush,x+2,y+(int)(this.headerHeight/2)+(int)(this.cellTopMargin/2)+Yoffset-2); 
                                DrawLine(new Point(x,y+(int)(this.headerHeight/2)),new Point(x+colWidth+colGap,y+headerHeight),e.Graphics); 
                                x += colWidth + colGap; 
                                DrawLine(new Point(x,y+(int)(this.headerHeight/2)),new Point(x,y+currentPageRowCount*rowGap+this.headerHeight),e.Graphics); 
                            } 
                            else 
                            { 

                                e.Graphics.DrawString(cellValue, headerFont, brush, x, y+(int)(this.headerHeight/2)+(int)(this.cellTopMargin/2)); 
                                x += colWidth + colGap; 
                                DrawLine(new Point(x,y+(int)(this.headerHeight/2)),new Point(x,y+currentPageRowCount*rowGap+this.headerHeight),e.Graphics); 
                            } 

                        } 
                        else 
                        { 
                            if(leftWordIndex>0) 
                            { 
                                string leftWord=cellValue.Substring(0,leftWordIndex); 
                                string rightWord=cellValue.Substring(leftWordIndex+1,cellValue.Length-leftWordIndex-1); 
                                //上面的字 
                                Xoffset=(int)(colWidth+colGap-e.Graphics.MeasureString(rightWord,this.upLineFont).Width); 
                                Yoffset=(int)(this.headerHeight-e.Graphics.MeasureString("a",this.underLineFont).Height); 

                                e.Graphics.DrawString(rightWord,this.headerFont,brush,x+Xoffset-4,y+2); 
                                e.Graphics.DrawString(leftWord,this.headerFont,brush,x+2,y+Yoffset-4); 
                                DrawLine(new Point(x,y),new Point(x+colWidth+colGap,y+headerHeight),e.Graphics); 
                                x += colWidth + colGap; 
                                DrawLine(new Point(x,y),new Point(x,y+currentPageRowCount*rowGap+this.headerHeight),e.Graphics); 
                            } 
                            else 
                            { 
                                e.Graphics.DrawString(cellValue, headerFont, brush, x, y+cellTopMargin); 
                                x += colWidth + colGap; 
                                DrawLine(new Point(x,y),new Point(x,y+currentPageRowCount*rowGap+this.headerHeight),e.Graphics); 
                            } 

                        } 

                    } 
                } 
                ////循环结束，画最后一个的upLine 
                if(this.isCustomHeader) 
                { 

                    if(lastLength>0 && lastIndex>-1)//开始画上一个upline 
                    { 
                        string upLineStr=this.uplineHeader[lastIndex]; 
                        int upXOffset=(int)((lastLength-e.Graphics.MeasureString(upLineStr,this.upLineFont).Width)/2); 
                        if(upXOffset<0) 
                            upXOffset=0; 
                        e.Graphics.DrawString(upLineStr,this.upLineFont,brush,x-lastLength+upXOffset,y+(int)(this.cellTopMargin/2)); 

                        DrawLine(new Point(x-lastLength,y+(int)(this.headerHeight/2)),new Point(x,y+(int)(this.headerHeight/2)),e.Graphics);//中线 
                        DrawLine(new Point(x,y),new Point(x,y+(int)(this.headerHeight/2)),e.Graphics); 
                    } 

                } 

                int rightBound=x; 

                DrawLine(new Point(leftMargin,y),new Point(rightBound,y),e.Graphics); //最上面的线 

                //DrawLine(new Point(leftMargin,y+this.headerHeight),new Point(rightBound,y+this.headerHeight),e.Graphics);//列名的下面的线 

                y+=this.headerHeight; 


                //print all rows 
                for(int i = startRow; i < endRow; i++) 
                { 

                    x = leftMargin; 
                    for(int j = 0; j < colCount; j++) 
                    { 
                        if(dataGrid.TableStyles[0].GridColumnStyles[j].Width > 0) 
                        { 
                            cellValue = dataGrid[i,j].ToString(); 
                            if(cellValue=="False") 
                                cellValue=falseStr; 
                            if(cellValue=="True") 
                                cellValue=trueStr; 

                            e.Graphics.DrawString(cellValue, font, brush, x+this.cellLeftMargin, y+cellTopMargin); 
                            x += dataGrid.TableStyles[0].GridColumnStyles[j].Width + colGap; 
                            y = y + rowGap * (cellValue.Split(new char[] {'\r', '\n'}).Length - 1); 
                    } 
                } 
                DrawLine(new Point(leftMargin,y),new Point(rightBound,y),e.Graphics); 
                y += rowGap; 
            } 
                DrawLine(new Point(leftMargin,y),new Point(rightBound,y),e.Graphics); 

                currentPageIndex++; 

                if(this.needPrintPageIndex) 
                    e.Graphics.DrawString("共 "+pageCount.ToString()+" 页,当前第 "+this.currentPageIndex.ToString()+" 页",this.footerFont,brush,width-200,(int)(height-this.buttomMargin/2-this.footerFont.Height)); 

                string s = cellValue; 
                string f3 = cellValue; 



                if(currentPageIndex<pageCount) 
                { 
                    e.HasMorePages=true; 
                } 
                else 
                { 
                    e.HasMorePages=false; 
                    this.currentPageIndex=0; 

                } 
                //iPageNumber+=1; 

private int currentPageIndex = 0; 
private int rowCount=0; 
private int pageCount=0; 

private void printDocument_PrintPage(object sender, System.Drawing.Printing.PrintPageEventArgs e) 
{ 
    Font fntTxt = new Font("宋体", 11, FontStyle.Regular);    //正文文字
     Brush brush = new SolidBrush(Color.Black);//画刷 
     Pen pen = new Pen(Color.Black);           //线条颜色
    pageCount = 3     //定义页数

    if (currentPageIndex == 0)   //当为第一页时
    {
        e.Graphics.DrawString("111111111111111111111111111", fntTxt, brush, new Point(0,0));
    }
    else if (currentPageIndex == 1)   //当为第二页时
    {
        e.Graphics.DrawString("222222222222222222222222222", fntTxt, brush, new Point(0,0));
    }
    else if (currentPageIndex == 2)   //当为第三页时
    {
        e.Graphics.DrawString("333333333333333333333333333", fntTxt, brush, new Point(0,0));
    }

    currentPageIndex++;      //加新页
    if (currentPageIndex < pageCount)
    {
        e.HasMorePages = true;  //如果小于定义页 那么增加新的页数
    }
    else
    {
        e.HasMorePages = false; //停止增加新的页数
        currentPageIndex = 0;
    }
}