随笔分类 -  C#

摘要：支持自定义每周的第一天是星期几 1 public static class DateTimeExtension 2 { 3 public const DayOfWeek TheFirstDayOfWeek = DayOfWeek.Monday; 4 5 private static int GetDayOfWeek(this DateTime date, DayOfWeek theFirstDayOfWeek = TheFirstDayOfWeek) 6 { 7 return ((int) date.Da... 阅读全文

摘要：一个简单的例子： 1 class Program 2 { 3 static void Main(string[] args) 4 { 5 for (var i = 0; i Func1(i)); 8 } 9 10 Console.ReadKey();11 }12 13 static void Func1(int i)14 {15 Console.WriteLine(i);16 }17 ... 阅读全文

摘要：Linq To Sql依赖于SQL环境时！Lambda！ 阅读全文

摘要：1. Unnecessary new()Inpropriate: DataSet ds = new DataSet(); ds = PageHelper.GetSignRecordDs(SubFormNo); Modified: DataSet ds = PageHelper.GetSignRecordDs(SubFormNo); 2. ThrowInpropriate: catch (Exception ex) { args.IsValid = false; Logging.... 阅读全文

摘要：密鈅長度有規定，密文長度應該是無限定。註釋中寫的長度是爲了滿足以下需求：密文長度固定。 1 ///<summary> 2 ///DES 加密解密 3 ///Rex Rao @2011-5-13 4 ///</summary> 5 public static class DES 6 { 7 ///<summary> 8 /// DES加密 9 ///</summary>10 ///<param name="content">8-15bytes明文</param>11 /... 阅读全文