随笔分类 - C#
摘要：以下内容转自http://www.cnblogs.com/musickh/archive/2009/07/16/1524912.html，在此多谢博主！DateTime.Now=2009-7-16 5:20:56//今天DateTime.Now.Date.ToString(); "2009-7-16 0:00:00"//周起始日期DateTime.Now.Date.AddDays(-(int)(DateTime.Now.DayOfWeek)+1).ToString(); {2009-7-13 0:00:00} DateTime.Now.Date.AddDays(7-(int
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摘要：OrderNum = (from s in g from f in dt.JXDW_ITIL_WORK_ORDER where s.CALL_ID == f.CALL_ID && (new string[] { "待回访", "回访中", "关闭" }).Contains(f.ORDER_STATUS) select f).Count(),
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摘要：CTime = EntityFunctions.DiffSeconds(f.OPEN_DATE.Value , f.RESOLVED_DATE.Value),
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摘要：http://blog.csdn.net/andamajing/article/details/7386965
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摘要：delegate int del(int i);static void Main(string[] args){ del myDelegate = x => x * x; int j = myDelegate(5); //j = 25}创建表达式树类型：using System.Linq.Expressions;namespace ConsoleApplication1{ class Program { static void Main(string[] args) { Expression<del> myET = x ...
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摘要：class Test{ delegate void TestDelegate(string s); static void M(string s) { Console.WriteLine(s); } static void Main(string[] args) { // Original delegate syntax required // initialization with a named method. TestDelegate testDelA = new TestDelegate(M)...
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摘要：// Create a handler for a click event.button1.Click += delegate(System.Object o, System.EventArgs e) { System.Windows.Forms.MessageBox.Show("Click!"); };// Create a delegate.delegate void Del(int x);// Instantiate the delegate using an anonymous method.Del d = delegate(int k) { /* ...
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摘要：http://msdn.microsoft.com/zh-cn/library/ms173171
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摘要：http://msdn.microsoft.com/zh-cn/library/8627sbea
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摘要：在C#中，你给一个方法传输参数时，实际上是使用的这个参数的一个副本，就是将原来的变量复制一份，然后传给一个方法，让其进行操作。所以在方法内部对参数的修改等不会对原来的参数造成影响。但是有些时候，又需要这种影响。ref的作用就是这个。它将变量本身而不是副本传给方法，所以对参数的修改原来变量的值。int a = 0;Console.WriteLine(a.ToString()); //输出是0public void ModifyVaule(ref int a){ a = 1;}Console.WriteLine(a.ToString()); // 输出是1。此外，out修饰符也起到这个作用...
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摘要：http://blog.csdn.net/jianbin1062/article/details/6093337
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摘要：t = new Thread(new ThreadStart(delegate { Play(sender, e); Console.WriteLine("Play ended."); })); t.Start(); private void Play(object sender, EventArgs e) { Console.WriteLine("InvokeRequired = " + InvokeRequired); ...
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摘要：Thread thread = new Thread(new ThreadStart(delegate { AuroraSocketClient.Connect("192.168.0.12"); })); thread.Start(); Thread t = new Thread(new ThreadStart(delegate { try { seatDay = SeatAlgorithm.GetSeatTotalDayData(); ...
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摘要：private void timer1_Tick_1(object sender, EventArgs e) { //开辟新线程，不占用主线程 Thread t = new Thread(new ThreadStart(delegate { timer1.Stop(); while (true) { Console.WriteLine("in timer1_Tick_1"); if (result.Count >= number) { Console.WriteLine("result.Count = " + result.Count); Cons
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摘要：可以直接在父窗口定义一个字段为子窗口；使用子窗口的时候就初始化，用完关闭。
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摘要：private void dataGridView1_CellContentClick(object sender, DataGridViewCellEventArgs e) { if (dataGridView1.Columns[e.ColumnIndex].CellType.Name == "DataGridViewCheckBoxCell") { //Console.WriteLine(dataGridView1.Rows[e.RowIndex].Cells[e.ColumnIndex].Valu...
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摘要：private void AddHeaderCheckBox() { HeaderCheckBox = new CheckBox(); HeaderCheckBox.Size = new Size(20, 20); dataGridView1.Controls.Add(HeaderCheckBox); } private void HeaderCheckBox_MouseClick(object sender, MouseEventArgs e) { Heade...
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摘要：rowHeadersVisible = false;
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