打印DataGridView代码,CSharp代码库,德仔网

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【CSharp】打印DataGridView
作者:jadeflute / 发布于2015/2/28/ 472

	using System;
	using System.Collections.Generic;
	using System.ComponentModel;
	using System.Data;
	using System.Drawing;
	using System.Text;
	using System.Windows.Forms;
	using System.Drawing.Printing;
	using System.IO;

	namespace NetCsharp
	{

	 ///
	 /// 实现DataGridView的打印
	 ///
	 public class PrintDataGridView
	 {
	 private static List CellPrintList = new List();

	 private static int printRowCount = 0;

	 private static bool IsPrint = true;
	 private static bool IsRole = true;
	 private static int PoXTmp = 0;
	 private static int PoYTmp = 0;
	 private static int WidthTmp = 0;
	 private static int HeightTmp = 0;
	 private static int RowIndex = 0;

	
	 ///
	 /// 打印DataGridView控件
	 ///
	 /// DataGridView控件
	 /// 是否包括列标题
	 /// 为 System.Drawing.Printing.PrintDocument.PrintPage 事件提供数据。
	 /// 起始X坐标
	 /// 起始Y坐标
	 public static void Print(DataGridView dataGridView, bool includeColumnText, PrintPageEventArgs e, ref int PoX, ref int PoY)
	 {
	 try
	 {
	 if (PrintDataGridView.IsPrint)
	 {
	 PrintDataGridView.printRowCount = 0;
	 PrintDataGridView.IsPrint = false;
	 PrintDataGridView.DataGridViewCellVsList(dataGridView, includeColumnText);
	 if (0 == PrintDataGridView.CellPrintList.Count)
	 return;
	 if (PoX > e.MarginBounds.Left)
	 PrintDataGridView.IsRole = true;
	 else
	 PrintDataGridView.IsRole = false;
	 PrintDataGridView.PoXTmp = PoX;
	 PrintDataGridView.PoYTmp = PoY;
	 PrintDataGridView.RowIndex = 0;
	 WidthTmp = 0;
	 HeightTmp = 0;
	 }
	 if (0 != PrintDataGridView.printRowCount)
	 {
	 if (IsRole)
	 {
	 PoX = PoXTmp = e.MarginBounds.Left;
	 PoY = PoYTmp = e.MarginBounds.Top;
	 }
	 else
	 {
	 PoX = PoXTmp;
	 PoY = PoYTmp;
	 }
	 }
	 while (PrintDataGridView.printRowCount < PrintDataGridView.CellPrintList.Count)
	 {
	 DataGridViewCellPrint CellPrint = CellPrintList[PrintDataGridView.printRowCount];
	 if (RowIndex == CellPrint.RowIndex)
	 PoX = PoX + WidthTmp;
	 else
	 {
	 PoX = PoXTmp;
	 PoY = PoY + HeightTmp;
	 if (PoY + HeightTmp > e.MarginBounds.Bottom)
	 {
	 HeightTmp = 0;
	 e.HasMorePages = true;
	 return;
	 }
	 }
	 using (SolidBrush solidBrush = new SolidBrush(CellPrint.BackColor))
	 {
	 RectangleF rectF1 = new RectangleF(PoX, PoY, CellPrint.Width, CellPrint.Height);
	 e.Graphics.FillRectangle(solidBrush, rectF1);
	 using (Pen pen = new Pen(Color.Black, 1))
	 e.Graphics.DrawRectangle(pen, Rectangle.Round(rectF1));
	 solidBrush.Color = CellPrint.ForeColor;
	 e.Graphics.DrawString(CellPrint.FormattedValue, CellPrint.Font, solidBrush, new Point(PoX + 2, PoY + 3));
	 }
	 WidthTmp = CellPrint.Width;
	 HeightTmp = CellPrint.Height;
	 RowIndex = CellPrint.RowIndex;
	 PrintDataGridView.printRowCount++;
	 }
	 PoY = PoY + HeightTmp;
	 e.HasMorePages = false;
	 PrintDataGridView.IsPrint = true;
	 }
	 catch
	 {
	 e.HasMorePages = false;
	 PrintDataGridView.IsPrint = true;
	 throw;
	 }

	 }

	
	 ///
	 /// 将DataGridView控件内容转变到 CellPrintList
	 ///
	 /// DataGridView控件
	 /// 是否包括列标题
	 private static void DataGridViewCellVsList(DataGridView dataGridView, bool includeColumnText)
	 {
	 CellPrintList.Clear();
	 try
	 {
	 int rowsCount = dataGridView.Rows.Count;
	 int colsCount = dataGridView.Columns.Count;

	 //最后一行是供输入的行时，不用读数据。
	 if (dataGridView.Rows[rowsCount - 1].IsNewRow)
	 rowsCount--;
	 //包括列标题
	 if (includeColumnText)
	 {
	 for (int columnsIndex = 0; columnsIndex < colsCount; columnsIndex++)
	 {
	 if (dataGridView.Columns[columnsIndex].Visible)
	 {
	 DataGridViewCellPrint CellPrint = new DataGridViewCellPrint();
	 CellPrint.FormattedValue = dataGridView.Columns[columnsIndex].HeaderText;
	 CellPrint.RowIndex = 0;
	 CellPrint.ColumnIndex = columnsIndex;
	 CellPrint.Font = dataGridView.Columns[columnsIndex].HeaderCell.Style.Font;
	 CellPrint.BackColor = dataGridView.ColumnHeadersDefaultCellStyle.BackColor;
	 CellPrint.ForeColor = dataGridView.ColumnHeadersDefaultCellStyle.ForeColor;
	 CellPrint.Width = dataGridView.Columns[columnsIndex].Width;
	 CellPrint.Height = dataGridView.ColumnHeadersHeight;
	 CellPrintList.Add(CellPrint);
	 }
	 }
	 }
	 //读取单元格数据
	 for (int rowIndex = 0; rowIndex < rowsCount; rowIndex++)
	 {
	 for (int columnsIndex = 0; columnsIndex < colsCount; columnsIndex++)
	 {
	 if (dataGridView.Columns[columnsIndex].Visible)
	 {
	 DataGridViewCellPrint CellPrint = new DataGridViewCellPrint();
	 CellPrint.FormattedValue = dataGridView.Rows[rowIndex].Cells[columnsIndex].FormattedValue.ToString();
	 if (includeColumnText)
	 CellPrint.RowIndex = rowIndex + 1;//假如包括列标题则从行号1开始
	 else
	 CellPrint.RowIndex = rowIndex;
	 CellPrint.ColumnIndex = columnsIndex;
	 CellPrint.Font = dataGridView.Rows[rowIndex].Cells[columnsIndex].Style.Font;
	 System.Drawing.Color TmpColor = System.Drawing.Color.Empty;
	 if (System.Drawing.Color.Empty != dataGridView.Rows[rowIndex].Cells[columnsIndex].Style.BackColor)
	 TmpColor = dataGridView.Rows[rowIndex].Cells[columnsIndex].Style.BackColor;
	 else if (System.Drawing.Color.Empty != dataGridView.Rows[rowIndex].DefaultCellStyle.BackColor)
	 TmpColor = dataGridView.Rows[rowIndex].DefaultCellStyle.BackColor;
	 else
	 TmpColor = dataGridView.DefaultCellStyle.BackColor;
	 CellPrint.BackColor = TmpColor;
	 TmpColor = System.Drawing.Color.Empty;
	 if (System.Drawing.Color.Empty != dataGridView.Rows[rowIndex].Cells[columnsIndex].Style.ForeColor)
	 TmpColor = dataGridView.Rows[rowIndex].Cells[columnsIndex].Style.ForeColor;
	 else if (System.Drawing.Color.Empty != dataGridView.Rows[rowIndex].DefaultCellStyle.ForeColor)
	 TmpColor = dataGridView.Rows[rowIndex].DefaultCellStyle.ForeColor;
	 else
	 TmpColor = dataGridView.DefaultCellStyle.ForeColor;
	 CellPrint.ForeColor = TmpColor;
	 CellPrint.Width = dataGridView.Columns[columnsIndex].Width;
	 CellPrint.Height = dataGridView.Rows[rowIndex].Height;
	 CellPrintList.Add(CellPrint);
	 }
	 }
	 }
	 }
	 catch { throw; }
	 }

	 private class DataGridViewCellPrint
	 {
	 private string _FormattedValue = "";
	 private int _RowIndex = -1;
	 private int _ColumnIndex = -1;
	 private System.Drawing.Color _ForeColor = System.Drawing.Color.Black;
	 private System.Drawing.Color _BackColor = System.Drawing.Color.White;
	 private int _Width = 100;
	 private int _Height = 23;
	 private System.Drawing.Font _Font = new System.Drawing.Font("宋体", 9F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(134)));

	 ///
	 /// 获取或设置单元格的字体。
	 ///
	 public System.Drawing.Font Font
	 {
	 set { if (null != value) _Font = value; }
	 get { return _Font; }
	 }

	 ///
	 /// 获取为显示进行格式化的单元格的值。
	 ///
	 public string FormattedValue
	 {
	 set { _FormattedValue = value; }
	 get { return _FormattedValue; }
	 }

	 ///
	 /// 获取或设置列的当前宽度 （以像素为单位）。默认值为 100。
	 ///
	 public int Width
	 {
	 set { _Width = value; }
	 get { return _Width; }
	 }

	 ///
	 /// 获取或设置列标题行的高度（以像素为单位）。默认值为 23。
	 ///
	 public int Height
	 {
	 set { _Height = value; }
	 get { return _Height; }
	 }

	 ///
	 /// 获取或设置行号。
	 ///
	 public int RowIndex
	 {
	 set { _RowIndex = value; }
	 get { return _RowIndex; }
	 }

	 ///
	 /// 获取或设置列号。
	 ///
	 public int ColumnIndex
	 {
	 set { _ColumnIndex = value; }
	 get { return _ColumnIndex; }
	 }

	 ///
	 /// 获取或设置前景色。
	 ///
	 public System.Drawing.Color ForeColor
	 {
	 set { _ForeColor = value; }
	 get { return _ForeColor; }
	 }

	 ///
	 /// 获取或设置背景色。
	 ///
	 public System.Drawing.Color BackColor
	 {
	 set { _BackColor = value; }
	 get { return _BackColor; }
	 }

	 }

	 }
	}
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