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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Drawing;
using System.Drawing.Printing;
using System.Windows.Forms;
namespace Attendance
{
/// <summary>
/// <para>打印DataGridView</para>
/// <para>用法:</para>
/// <para> DataGridViewPrint dgvPrint = new DataGridViewPrint(DataGridView dataGridView1);</para>
/// <para> dgvPrint.Print();</para>
/// </summary>
public class DataGridViewPrint
{
private DataGridView dataGridView;
private PrintDocument printDocument;
private PageSetupDialog pageSetupDialog;
private PrintPreviewDialog printPreviewDialog;
private int dgvIndex = 0;
private int rowCount = 0;
private int colCount = 0;
private int x = 0;
private int y = 0;
int i = 0;
private int rowGap = 60;
private int leftMargin = 50;
private Font font = new Font("Arial", 10);
private Font headingFont = new Font("Arial", 11, FontStyle.Underline);
private Font captionFont = new Font("Arial", 10, FontStyle.Bold);
private Brush brush = new SolidBrush(Color.Black);
private string cellValue = string.Empty;
public DataGridViewPrint(DataGridView dataGridView)
{
this.dataGridView = dataGridView;
printDocument = new PrintDocument();
printDocument.PrintPage += new PrintPageEventHandler(this.printDocument_PrintPage);
}
private void printDocument_PrintPage(object sender, System.Drawing.Printing.PrintPageEventArgs e)
{
//for (; dgvIndex < dataGridView.Length; dgvIndex++)
rowCount = dataGridView.Rows.Count-1;
colCount = dataGridView.ColumnCount;
//print headings
y += rowGap;
x = leftMargin;
for (int j = 0; j < colCount; j++)
{
if (dataGridView.Columns[j].Width > 0)
{
cellValue = dataGridView.Columns[j].HeaderText;
e.Graphics.FillRectangle(new SolidBrush(Color.LightGray), x, y, dataGridView.Columns[j].Width, rowGap);
e.Graphics.DrawRectangle(Pens.Black, x, y, dataGridView.Columns[j].Width, rowGap);
e.Graphics.DrawString(cellValue, headingFont, brush, x, y);
x += dataGridView.Columns[j].Width;
}
}
//print all rows
for (; i < rowCount; i++)
{
y += rowGap;
x = leftMargin;
for (int j = 0; j < colCount; j++)
{
if (dataGridView.Columns[j].Width > 0)
{
cellValue = dataGridView.Rows[i].Cells[j].Value.ToString();
e.Graphics.DrawRectangle(Pens.Black, x, y, dataGridView.Columns[j].Width, rowGap);
e.Graphics.DrawString(cellValue, font, brush, x, y);
x += dataGridView.Columns[j].Width;
}
}
if (y >= e.PageBounds.Height - 80)
{
// 允許多頁打印
y = 0;
e.HasMorePages = true;
i++;
return;
}
}
y += rowGap;
for (int j = 0; j < colCount; j++)
{
e.Graphics.DrawString(" ", font, brush, x, y);
}
i = 0;
e.HasMorePages = false;
}
public PrintDocument GetPrintDocument()
{
return printDocument;
}
public void Print()
{
try
{
pageSetupDialog = new PageSetupDialog();
pageSetupDialog.Document = printDocument;
pageSetupDialog.ShowDialog();
printPreviewDialog = new PrintPreviewDialog();
printPreviewDialog.Document = printDocument;
printPreviewDialog.Height = 600;
printPreviewDialog.Width = 800;
printPreviewDialog.ShowDialog();
}
catch (Exception e)
{
throw new Exception("Printer error." + e.Message);
}
}
}
}
本文来自CSDN博客,转载请标明出处:http://blog.csdn.net/resigner/archive/2010/05/20/5609745.aspx
DataTable dt = dataGridView1.DataSource as DataTable;