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C#打印DataGridView的详细代码
羊玉wngbx
>《C#》
2018.09.21
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[c-sharp]
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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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