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Asp.net 生成PDF

摘要： using System.IO;using iTextSharp.text.pdf;using iTextSharp.text;using iTextSharp.text.html.simpleparser;using System.Text;public partial class _Default : System.Web.UI.Page { protected void Page_Load(object sender, EventArgs e) { } //iTextsharp 给PDF文件添加水印，是通过 PdfWriter 的 PageEvent 事件来处理的，此事件，需要继承 Pd 阅读全文

posted @ 2011-07-08 14:14 缘来阅读(789) 评论(0) 推荐(0)

asp.net 模板生成Excel

摘要： using Microsoft.Office.Interop.Excel;using System.Reflection;using System.Diagnostics;using Microsoft.Win32;using System.IO; protected void Button1_Click(object sender, EventArgs e) { //建立一个Excel.Application的新进程 Microsoft.Office.Interop.Excel.Application app = new Microsoft.Office.Interop.Excel.Appl 阅读全文

posted @ 2011-07-08 13:49 缘来阅读(1149) 评论(2) 推荐(0)

UDP

摘要： namespace UDPServer{ public partial class Form1 : Form { UdpClient uc; //声明UDPClient //UdpClient uc2; public Form1() { InitializeComponent(); } private void button1_Click(object sender, EventArgs e) { uc = new UdpClient(); //初始化 uc.Connect(IPAddress.Parse("192.168.1.41"), 8888); //uc2 = ne 阅读全文

posted @ 2011-06-20 09:34 缘来阅读(406) 评论(0) 推荐(0)

生成缩略图和添加水印

摘要： using System.IO;using System.Drawing.Imaging ;using System.Drawing;protected void Button1_Click(object sender, EventArgs e) { Graphics g=null; System.Drawing.Image upimage=null; System.Drawing.Image thumimg=null; System.Drawing.Image simage=null; Bitmap outputfile=null; try { string extension = Path 阅读全文

posted @ 2011-06-14 14:46 缘来阅读(235) 评论(0) 推荐(0)

子类继承父类的实例化顺序

摘要：当两个类之间有继承关系时，第一次构造子类的实例时，是按照如下顺序进行的：子类的静态成员初始化语句子类的静态构造函数子类的非静态成员初始化语句父类的静态成员初始化语句父类的静态构造函数父类的非静态成员初始化语句父类的构造函数子类的构造函数阅读全文

posted @ 2011-06-13 16:09 缘来阅读(510) 评论(0) 推荐(0)

同时对两列进行排列 listview

摘要： //初始化里面s ListViewColumnSorter lic1 = new ListViewColumnSorter(); lic1.SortColumn = 2; this.listView1.ListViewItemSorter = lic1; //listView1.Sort();public class ListViewColumnSorter : IComparer { private int ColumnToSort; private SortOrder OrderOfSort; private readonly CaseInsensitiveComparer ObjectC 阅读全文

posted @ 2011-05-19 10:36 缘来阅读(615) 评论(0) 推荐(0)

ListView 排序

摘要： #region ListView 排序 private int sortColumn = -1; private void listView1_ColumnClick(object sender, ColumnClickEventArgs e) { if (e.Column != sortColumn) { // Set the sort column to the new column. sortColumn = e.Column; // Set the sort order to ascending by default. listView1.Sorting = SortOrder.Asc 阅读全文

posted @ 2011-05-18 09:59 缘来阅读(336) 评论(0) 推荐(1)

asp.net注册、局部刷新用户名检测+验证码

摘要： Register.aspx<head runat="server"> <title>无标题页</title> <script language="javascript" type="text/javascript" > var request=false; try{ request=new XMLHttpRequest(); }catch(trymicrosoft){ try{ request=new ActiveXObject("Msxml2.XMLHTTP"); 阅读全文

posted @ 2011-05-06 13:29 缘来阅读(617) 评论(0) 推荐(0)

不同浏览器创建XMLHttpRequest

摘要： <script language="javascript" type="text/javascript" > var request=false; try{ request=new XMLHttpRequest(); }catch(trymicrosoft){ try{ request=new ActiveXObject("Msxml2.XMLHTTP"); }catch(othermicrosoft){ try{ request=new ActiveXObject("Microsoft.XMLHTTP" 阅读全文

posted @ 2011-05-05 12:40 缘来阅读(159) 评论(0) 推荐(0)

WebService 异步调用

摘要： protected void Page_Load(object sender, EventArgs e) { Service service = new localhost.Service(); service.HelloWorldCompleted += new HelloWorldCompletedEventHandler(callback); service.HelloWorldAsync(); } public void callback(object sender, HelloWorldCompletedEventArgs e) { if (e.Error == null) { Re 阅读全文

posted @ 2011-05-03 09:59 缘来阅读(134) 评论(0) 推荐(0)

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