class PrintClass
{
  #region 全局變量
  private DataGridView datagrid;//需要打印的數據來源

  private PageSetupDialog pagesetupdialog;
  private PrintPreviewDialog printpreviewdialog;
  int currentpageindex = 0;//當前頁的編號
  int rowcount = 0;//數據的行數
  public Size PaperSize = new Size(827, 1169);//答應的紙張大小
  public int headerheight = 30;//標題高度
  Margins margins = new Margins(50, 60, 50, 80);
  public int celltopmargin = 6;//單元格頂邊距 
  public int pagerowcount = 7;//每頁行數 
  public int rowgap = 23;//行高 
  public int colgap = 5;//每列間隔 
  public Font headerfont = new Font("Arial", 9, FontStyle.Bold);//列名標題字體
  public Brush brushHeaderFont = new SolidBrush(Color.Black);//列名字體畫刷
  public Font Cellfont = new Font("Arial", 9);//單元格字體
  public bool isautopagerowcount = true;//是否自動計算行數
  public bool PageAspect = false;//打印的方向
  public static bool PageScape = false;//打印方向
  public string paperName = string.Empty;
  #endregion

  #region 打印信息的初始化
  /// <summary>
  /// 打印信息的初始化
  /// </summary>
  /// <param datagrid="DataGridView">打印數據</param>
  /// <param PageS="int">紙張大小</param>
  /// <param lendscape="bool">是否橫向打印</param>
  public PrintClass(DataGridView datagrid, string paperName, bool lendscape)
  {
    this.datagrid = datagrid;//獲取打印數據
    this.paperName = paperName;
    PrintDocument printdocument = new PrintDocument();//實例化PrintDocument類
    printpreviewdialog = new PrintPreviewDialog();//實例化PrintPreviewDialog類
    printpreviewdialog.Document = printdocument;//獲取預覽文檔的信息
    printpreviewdialog.FormBorderStyle = FormBorderStyle.Fixed3D;//設置窗體的邊框樣式
    //橫向打印的設置
    if (!string.IsNullOrEmpty(paperName) )
    {
      if (lendscape == true)
      {
        printdocument.DefaultPageSettings.Landscape = lendscape;//橫向打印
      }
      else
      {
        printdocument.DefaultPageSettings.Landscape = lendscape;//縱向打印
      }
    }
    pagesetupdialog = new PageSetupDialog();//實例化PageSetupDialog類
    pagesetupdialog.Document = printdocument;//獲取當前頁的設置
    printdocument.PrintPage += new PrintPageEventHandler(this.printdocument_printpage);//事件的重載
  }
  #endregion
  
  #region 頁的打印事件
  /// <summary>
  /// 頁的打印事件(主要用于繪制打印報表)
  /// </summary>
  private void printdocument_printpage(object sender, System.Drawing.Printing.PrintPageEventArgs e)
  {
    if (this.isautopagerowcount)//自動計算頁的行數
    {
      double countHeight = e.PageBounds.Height - this.margins.Top - this.headerfont.Height - this.headerheight - this.margins.Bottom;
      pagerowcount = (int)Math.Ceiling(countHeight / this.rowgap);//獲取每頁的行數
    }
    int pagecount = (int)(rowcount / pagerowcount);//獲取打印多少頁
    pagesetupdialog.AllowOrientation = true;//啟動打印頁面對話框的方向部分
    int colcount = 0;//記錄數據的列數
    int y = margins.Top;//獲取表格的頂邊距
    string cellvalue = "";//記錄文本信息（單元格的文本信息）
    int startrow = currentpageindex * pagerowcount;//設置打印的初始頁數
    int endrow = startrow + this.pagerowcount < rowcount &#63; startrow + pagerowcount : rowcount;//設置打印的最大頁數
    int currentpagerowcount = endrow - startrow;//獲取打印頁數
    colcount = datagrid.ColumnCount;//獲取打印數據的列數

    int x = margins.Left;//獲取表格的左邊距  繪畫時的x軸位置
    //獲取報表的寬度
    int cwidth = 0;
    for (int j = 0; j < colcount; j++)//循環數據的列數
    {
      if (datagrid.Columns[j].Width > 0)//如果列的寬大于０
      {
        cwidth += datagrid.Columns[j].Width + colgap;//累加每列的寬度
      }
    }
    y += rowgap;//設置表格的上邊線的位置
    //設置標題欄中的文字
    for (int j = 0; j < colcount; j++)//遍歷列數據
    {
      int colwidth = datagrid.Columns[j].Width;//獲取列的寬度
      if (colwidth > 0)//如果列的寬度大于0
      {
        cellvalue = datagrid.Columns[j].HeaderText;//獲取列標題
        //繪制標題欄文字
        e.Graphics.DrawString(cellvalue, headerfont, brushHeaderFont, x, y + celltopmargin);//繪制列標題
        x += colwidth + colgap;//橫向，下一個單元格的位置
        int nnp = y + currentpagerowcount * rowgap + this.headerheight;//下一行線的位置
      }
    }
    //打印所有的行信息
    for (int i = startrow; i < endrow; i++) //對行進行循環
    {
      x = margins.Left; //獲取線的Ｘ坐標點
      for (int j = 0; j < colcount; j++)//對列進行循環
      {
        if (datagrid.Columns[j].Width > 0)//如果列的寬度大于0
        {
          cellvalue = datagrid.Rows[i].Cells[j].Value.ToString();//獲取單元格的值
          e.Graphics.DrawString(cellvalue, Cellfont, brushHeaderFont, x, y + celltopmargin+rowgap);//繪制單元格信息
          x += datagrid.Columns[j].Width + colgap;//單元格信息的X坐標
          y = y + rowgap * (cellvalue.Split(new char[] { '\r', '\n' }).Length - 1);//單元格信息的Y坐標
        }
      }
      y += rowgap;//設置下行的位置
    }
    currentpageindex++;//下一頁的頁碼
    if (currentpageindex < pagecount)//如果當前頁不是最后一頁
    {
      e.HasMorePages = true;//打印副頁
    }
    else
    {
      e.HasMorePages = false;//不打印副頁
      this.currentpageindex = 0;//當前打印的頁編號設為0
    }
  }
  #endregion

  #region 顯示打印預覽窗體
  /// <summary>
  /// 顯示打印預覽窗體
  /// </summary>
  public void print()
  {
    rowcount = 0;//記錄數據的行數
    PageSettings storePageSetting = new PageSettings();//實列化一個對PageSettings對象
    PrintDocument printdocument = pagesetupdialog.Document;
    foreach (PaperSize ps in printdocument.PrinterSettings.PaperSizes)//查找當前設置紙張
    {
      if (paperName == ps.PaperName)//如果找到當前紙張的名稱
      {
        printdocument.DefaultPageSettings.PaperSize = ps;//獲取當前紙張的信息
      }
    }
    if (datagrid.DataSource is System.Data.DataTable)//判斷數據類型
    {
      rowcount = ((DataTable)datagrid.DataSource).Rows.Count;//獲取數據的行數
    }
    else if (datagrid.DataSource is System.Collections.ArrayList)//判斷數據類型
    {
      rowcount = ((ArrayList)datagrid.DataSource).Count;//獲取數據的行數
    }
    try
    {
      printdocument.DefaultPageSettings.Landscape = PageScape;//設置橫向打印
      printpreviewdialog.ShowDialog();//顯示打印預覽窗體
    }
    catch (Exception e)
    {
      throw new Exception("printer error." + e.Message);
    }
  }
  #endregion
}

/// <summary>
/// 設計器支持所需的方法 - 不要
/// 使用代碼編輯器修改此方法的內容。
/// </summary>
private void InitializeComponent()
{
  this.dataGridView1 = new System.Windows.Forms.DataGridView();
  this.groupBox1 = new System.Windows.Forms.GroupBox();
  this.label8 = new System.Windows.Forms.Label();
  this.comboBox_PageSize = new System.Windows.Forms.ComboBox();
  this.button_Preview = new System.Windows.Forms.Button();
  this.checkBox_Aspect = new System.Windows.Forms.CheckBox();
  this.panel_Line = new System.Windows.Forms.Panel();
  ((System.ComponentModel.ISupportInitialize)(this.dataGridView1)).BeginInit();
  this.groupBox1.SuspendLayout();
  this.SuspendLayout();
  // 
  // dataGridView1
  // 
  this.dataGridView1.AllowUserToOrderColumns = true;
  this.dataGridView1.ColumnHeadersHeightSizeMode = System.Windows.Forms.DataGridViewColumnHeadersHeightSizeMode.AutoSize;
  this.dataGridView1.Location = new System.Drawing.Point(3, 4);
  this.dataGridView1.Name = "dataGridView1";
  this.dataGridView1.RowTemplate.Height = 23;
  this.dataGridView1.Size = new System.Drawing.Size(1079, 578);
  this.dataGridView1.TabIndex = 0;
  // 
  // groupBox1
  // 
  this.groupBox1.Controls.Add(this.label8);
  this.groupBox1.Controls.Add(this.comboBox_PageSize);
  this.groupBox1.Controls.Add(this.button_Preview);
  this.groupBox1.Controls.Add(this.checkBox_Aspect);
  this.groupBox1.Controls.Add(this.panel_Line);
  this.groupBox1.Location = new System.Drawing.Point(1088, 4);
  this.groupBox1.Name = "groupBox1";
  this.groupBox1.Size = new System.Drawing.Size(144, 287);
  this.groupBox1.TabIndex = 1;
  this.groupBox1.TabStop = false;
  this.groupBox1.Text = "打印設置";
  // 
  // label8
  // 
  this.label8.AutoSize = true;
  this.label8.Location = new System.Drawing.Point(2, 232);
  this.label8.Name = "label8";
  this.label8.Size = new System.Drawing.Size(65, 12);
  this.label8.TabIndex = 19;
  this.label8.Text = "紙張大小：";
  // 
  // comboBox_PageSize
  // 
  this.comboBox_PageSize.FormattingEnabled = true;
  this.comboBox_PageSize.Items.AddRange(new object[] {
  "A4",
  "A5",
  "A6",
  "B5 (JIS)",
  "B5",
  "16K"});
  this.comboBox_PageSize.Location = new System.Drawing.Point(67, 229);
  this.comboBox_PageSize.Name = "comboBox_PageSize";
  this.comboBox_PageSize.Size = new System.Drawing.Size(71, 20);
  this.comboBox_PageSize.TabIndex = 18;
  // 
  // button_Preview
  // 
  this.button_Preview.Location = new System.Drawing.Point(34, 254);
  this.button_Preview.Name = "button_Preview";
  this.button_Preview.Size = new System.Drawing.Size(70, 23);
  this.button_Preview.TabIndex = 17;
  this.button_Preview.Text = "打印預覽";
  this.button_Preview.UseVisualStyleBackColor = true;
  this.button_Preview.Click += new System.EventHandler(this.button_Preview_Click);
  // 
  // checkBox_Aspect
  // 
  this.checkBox_Aspect.AutoSize = true;
  this.checkBox_Aspect.Location = new System.Drawing.Point(34, 211);
  this.checkBox_Aspect.Name = "checkBox_Aspect";
  this.checkBox_Aspect.Size = new System.Drawing.Size(72, 16);
  this.checkBox_Aspect.TabIndex = 15;
  this.checkBox_Aspect.Text = "橫向打印";
  this.checkBox_Aspect.UseVisualStyleBackColor = true;
  this.checkBox_Aspect.MouseDown += new System.Windows.Forms.MouseEventHandler(this.checkBox_Aspect_MouseDown);
  // 
  // panel_Line
  // 
  this.panel_Line.BackColor = System.Drawing.SystemColors.ButtonHighlight;
  this.panel_Line.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle;
  this.panel_Line.Location = new System.Drawing.Point(23, 74);
  this.panel_Line.Name = "panel_Line";
  this.panel_Line.Size = new System.Drawing.Size(100, 116);
  this.panel_Line.TabIndex = 6;
  // 
  // Form1
  // 
  this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 12F);
  this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
  this.ClientSize = new System.Drawing.Size(1234, 594);
  this.Controls.Add(this.groupBox1);
  this.Controls.Add(this.dataGridView1);
  this.MaximizeBox = false;
  this.Name = "Form1";
  this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;
  this.Text = "自定義橫向或縱向打印";
  this.Activated += new System.EventHandler(this.Form1_Activated);
  this.Load += new System.EventHandler(this.Form1_Load);
  ((System.ComponentModel.ISupportInitialize)(this.dataGridView1)).EndInit();
  this.groupBox1.ResumeLayout(false);
  this.groupBox1.PerformLayout();
  this.ResumeLayout(false);

}

public bool Aspect = true;//打印方向
 public bool boundary = false;//是否打印分割線

 private void Form1_Activated(object sender, EventArgs e)
 {
   //在窗體中繪制一個預覽表格
   Graphics g = panel_Line.CreateGraphics();
   int paneW = panel_Line.Width;//設置表格的寬度
   int paneH = panel_Line.Height;//設置表格的高度
   g.DrawRectangle(new Pen(Color.WhiteSmoke, paneW), 0, 0, paneW, paneH);//繪制一個矩形
 }

 private void Form1_Load(object sender, EventArgs e)
 {
   comboBox_PageSize.SelectedIndex = 0;
   OleDbConnection oledbCon = new OleDbConnection(" Provider=Microsoft.ACE.OLEDB.12.0;Data Source=C:\\Users\\Lenovo\\Desktop\\SnapShot.mdb;");
   OleDbDataAdapter oledbDa = new OleDbDataAdapter("select * from RegionInfo", oledbCon);
   DataSet myds = new DataSet();
   oledbDa.Fill(myds);
   dataGridView1.DataSource = myds.Tables[0];
 }

 private void checkBox_Aspect_MouseDown(object sender, MouseEventArgs e)
 {
   //改變窗體中預覽表格的方向
   int aspX = 0;//寬度
   int aspY = 0;//高度
   if (((CheckBox)sender).Checked == false)//如果不是縱向打印
   {
     aspX = 136;//設置大小
     aspY = 98;
     PrintClass.PageScape = true;//橫向打印
   }
   else
   {
     aspX = 100;//設置大小
     aspY = 116;
     PrintClass.PageScape = false;//縱向打印
   }
   panel_Line.Width = aspX;//設置控件的寬度
   panel_Line.Height = aspY;//設置控件的高度
   aspX = (int)((groupBox1.Width - aspX) / 2);//設置控件的Top
   panel_Line.Location = new Point(aspX, 90);//設置控件的位置
   Form1_Activated(sender, e);//設用Activated事件
 }

 private void button_Preview_Click(object sender, EventArgs e)
 {
   //對打印信息進行設置
   PrintClass dgp = new PrintClass(this.dataGridView1, comboBox_PageSize.Text, checkBox_Aspect.Checked);
   MSetUp(dgp);//記錄窗體中打印信息的相關設置
   string[] header = new string[dataGridView1.ColumnCount];//創建一個與數據列相等的字符串數組
   for (int p = 0; p < dataGridView1.ColumnCount; p++)//記錄所有列標題的名列
   {
     header[p] = dataGridView1.Columns[p].HeaderCell.Value.ToString();
   }
   dgp.print();//顯示打印預覽窗體
 }

 #region 設置打印數據的相關信息
 /// <summary>
 /// 設置打印數據的相關信息
 /// </summary>
 /// <param dgp="PrintClass">公共類PrintClass</param>
 private void MSetUp(PrintClass dgp)
 {
   dgp.PageAspect = Aspect;//設置橫向打印
 }
 #endregion