c# 标签打印
写个小程序，用于打印标签，如图
但每次都少打了最后一条，就退纸了。 是什么问题啊
另外，每次预览都有之前预览的信息存在，怎么清除呢？
写个小程序，用于打印标签，如图
但每次都少打了最后一条，就退纸了。 是什么问题啊
另外，每次预览都有之前预览的信息存在，怎么清除呢？
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Data.OleDb;
using System.Drawing;
using System.Drawing.Printing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Threading;
using System.Xml;
using System.IO;
namespace 标签打印
{
public partial class Form1 : Form
{
int i = 0;
int j = 0;
public Form1()
{
InitializeComponent();
}
private void button1_Click(object sender, EventArgs e)
{
//打开EXCEL|
//OpenFileDialog file = new OpenFileDialog();
openFileDialog1.Filter = "xls文件(*.xls)|*.xls|xlsx文件(*.xlsx)|*.xlsx||";
if (openFileDialog1.ShowDialog() == DialogResult.OK)
{
string confstring = openFileDialog1.FileName;
string strScource = @"Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + confstring + ";Extended Properties=Excel 8.0";
OleDbConnection conn = new OleDbConnection(strScource);
string sqlstring = @"select * from [Sheet1$]";
OleDbDataAdapter adaper = new OleDbDataAdapter(sqlstring, conn);
DataSet da = new DataSet();
adaper.Fill(da);
this.dataGridView1.DataSource = da.Tables[0];
}
//数据导入结束，设置下列宽
this.dataGridView1.Columns[4].Width = 150;
this.dataGridView1.Columns[5].Width = 180;
}
private void Form1_Load(object sender, EventArgs e)
{
this.dataGridView1.AllowUserToAddRows = false; //删除空白条
}
private void button5_Click(object sender, EventArgs e)
{
this.Close();
}
private void Form1_FormClosing(object sender, FormClosingEventArgs e)
{
if (MessageBox.Show("确认退出吗", "信息提示", MessageBoxButtons.YesNo, MessageBoxIcon.Question) == DialogResult.No)
e.Cancel = true;
}
private void button2_Click(object sender, EventArgs e)
{
if (dataGridView1.Rows.Count == 0)
{
MessageBox.Show("请先导入数据！", "信息提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
return;
}
//先测试下预览
//一英寸=2.54厘米，这里是百分之一英寸，目前的纸张是长12厘米，宽9厘米354,472
this.printDocument1.DefaultPageSettings.PaperSize = new PaperSize("Custum", 354, 472); //354,472
this.printDocument1.OriginAtMargins = true;
this.printDocument1.DefaultPageSettings.Margins.Left = 20;
this.printDocument1.DefaultPageSettings.Margins.Top = 1 ;
this.printDocument1.DefaultPageSettings.Margins.Bottom = 0;
this.printDocument1.PrintPage += new PrintPageEventHandler(this.my_print);
printPreviewDialog1.Document = printDocument1;
DialogResult result = printPreviewDialog1.ShowDialog();
}
private void my_print(object sender, System.Drawing.Printing.PrintPageEventArgs e)
{
int aa = 0;
string zh;
string ygbh;
string ygname;
string bmname;
int jls;
int a1 = 1, a2 = 14, a3 = 14, a4 = 26;
int zys; //总页数
int ys=1; //当前页数
//
jls = this.dataGridView1.Rows.Count;
zys = Convert.ToInt16 ( Math.Ceiling(Convert.ToDouble(jls) / 14.0)); //算下总页数
//MessageBox.Show(jls.ToString(), "信息提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
//准备遍历记录
// if (i ==jls)
// {
// MessageBox.Show("sss");
// return;
// }
// else
// {
for (int m = 1; m <= 14; m++)
{
if (i == jls)
{
i = 0;
j = 0;
e.HasMorePages = false;
return; //这个是在循环体内，发现记录超了，强制出来
}
zh = this.dataGridView1.Rows[i].Cells[5].Value.ToString();
ygbh = this.dataGridView1.Rows[i].Cells[1].Value.ToString();
ygname = this.dataGridView1.Rows[i].Cells[2].Value.ToString();
bmname = this.dataGridView1.Rows[i].Cells[4].Value.ToString();
if (i % 2 == 0)
{
e.Graphics.DrawString(zh, new Font(new FontFamily("宋体"), 9), System.Drawing.Brushes.Black,1, a1);
e.Graphics.DrawString(ygbh, new Font(new FontFamily("宋体"), 9), System.Drawing.Brushes.Black, 1, a2);
e.Graphics.DrawString(ygname, new Font(new FontFamily("宋体"), 9), System.Drawing.Brushes.Black, 56, a3); //(左右，上下)
e.Graphics.DrawString(bmname, new Font(new FontFamily("宋体"), 9), System.Drawing.Brushes.Black, 1, a4);
e.Graphics.DrawString(i.ToString(), new Font(new FontFamily("宋体"), 9), System.Drawing.Brushes.Black, 120, a4);
j = j + 1;
i = i + 1;
}
else
{
e.Graphics.DrawString(zh, new Font(new FontFamily("宋体"), 9), System.Drawing.Brushes.Black, 165, a1);
e.Graphics.DrawString(ygbh, new Font(new FontFamily("宋体"), 9), System.Drawing.Brushes.Black, 165, a2);
e.Graphics.DrawString(ygname, new Font(new FontFamily("宋体"), 9), System.Drawing.Brushes.Black, 235, a3); //(左右，上下)
e.Graphics.DrawString(bmname, new Font(new FontFamily("宋体"), 9), System.Drawing.Brushes.Black, 165, a4);
e.Graphics.DrawString(i.ToString (), new Font(new FontFamily("宋体"), 9), System.Drawing.Brushes.Black, 265, a4);
a1 = a1 + 66;
a2 = a2 + 66;
a3 = a3 + 66;
a4 = a4 + 66;
j = j + 1;
i = i + 1;
}
}
// }
/*** if (j== 14) //打了14条，换 页
{
//打开多页属性
// MessageBox.Show(zys.ToString(), "11111信息提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
// MessageBox.Show(ys.ToString(), "信息提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
ys = ys + 1;
j = 0; //清零
if (ys == zys)
{
i = 0;
e.HasMorePages = false; //打关闭多页属性
//return;
}
else
{
e.HasMorePages = true;
MessageBox.Show(ys.ToString ());
}
}
***/
//MessageBox.Show(j.ToString());
/*** if (j==14)
{
j = 0;
MessageBox.Show(i.ToString());
if (i ==jls)
{
i = 0;
e.HasMorePages = false;
return;
}
else
{
// MessageBox.Show("ddddddddddd");
e.HasMorePages = true;
}
}
****/
//MessageBox.Show(i.ToString());
if (i == jls)
{
i = 0;
e.HasMorePages = false;
return;
}
if (j == 14)
{
j = 0;
e.HasMorePages = true;
}
}
private void button4_Click(object sender, EventArgs e)
{
/// MessageBox.Show(Math.Ceiling().ToString(), "信息提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
}
}
解决方案
30
这样的不科学，要成卷的就不会这样了
5
检查windows打印设置，选中默认打印机，从属性进入
5
应该是打印机纸张设置问题，按一下送纸键看看能不能正确出一张纸。还有打印机应该是碳带打印机吧？假如是的用这种两列的纸容易测试错误的。