需求:不能每加一条数据就操作数据库,要完成所有的数据加入界面,点击保存时才一次性保存。
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2012
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24
2012
06
[转载]C#多线程BackgroundWorker使用示例
.Net WinForm Code:
using System; using System.Collections.Generic; using System.ComponentModel;//// using System.Data; using System.Drawing; using System.Linq; using System.Text; using System.Windows.Forms; using System.Threading; namespace BackgroundWorkerSample { public partial class CalculateAddForm : Form { protected BackgroundWorker backgroundWorker1 = new BackgroundWorker(); //private int numberToCompute = 0; //private int highestPercentageReached = 0; public CalculateAddForm() { InitializeComponent(); InitializeBackgoundWorker(); } // Set up the BackgroundWorker object by // attaching event handlers. private void InitializeBackgoundWorker() { this.backgroundWorker1.WorkerReportsProgress = true; this.backgroundWorker1.WorkerSupportsCancellation = true; this.backgroundWorker1.DoWork += new DoWorkEventHandler(backgroundWorker1_DoWork); this.backgroundWorker1.ProgressChanged += new ProgressChangedEventHandler(backgroundWorker1_ProgressChanged); this.backgroundWorker1.RunWorkerCompleted += new RunWorkerCompletedEventHandler(backgroundWorker1_RunWorkerCompleted); } private long ComputeAdd(int n, BackgroundWorker worker, DoWorkEventArgs e)
23
2012
06
jquery插件printArea打印、corner圆角
<div id="testdiv" class="demo" style="width:200px;height:150px;border-width:1px;border-style:solid;border-color:Blue;">
...
22
2012
06
c#/.net用txt、in等作为数据存储的配置类
using System;
using System.Collections.Generic;
using System.Text;
using System.IO;
using System.Text.RegularExpressions;
namespace Tools
{
#region 配置文件类 ConfigFile
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15
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C#winform中只允许程序运行一个实例、显示已经运行的界面
private static System.Threading.Mutex mutex;
/// <summary>
/// 应用程序的主入口点。
/// </summary>
...
11
2012
06
.Net中Remoting通信的应用,有发送和返回信息
界面如图: 代码:服务端using System;using System.Collections.Generic;using System.ComponentModel;using System.Data;using System.Drawing;using System.Linq;using System.Text;using System.Windows.Forms;u
09
2012
06
用xml操作代码配置Web.config文件
public class Webconfig { private string XmlFilePath; private XmlDocument xmldoc