csharp: DefaultValueAttribute Class
public class CalendarEvent { public int id { get; set; } public string title { get; set; } public string description { get; set; } [DefaultValue(typeof(DateTime), DateTime.Now.ToString("yyyy-MM-dd HH:mm"))] public DateTime start { get; set; } [DefaultValue(typeof(DateTime),DateTime.Now.ToString("yyyy-MM-dd HH:mm"))] public DateTime end { get; set; } [DefaultValue(typeof(bool), "false")] public bool allDay { get; set; } [DefaultValue(typeof(bool), "false")] public bool overlap { get; set; } [DefaultValue(typeof(string), "background-color")] public string rendering { get; set; } //border-color,background-color [DefaultValue(typeof(string), "#FFFFFF")] public string color { get; set; } // [DefaultValue(typeof(string), "#FFFFFF")] public string backgroundColor { get; set; } [DefaultValue(typeof(string), "#FFFFFF")] public string textColor { get; set; } [DefaultValue(typeof(string),"#FFFFFF")] public string borderColor { get; set; } [DefaultValue(typeof(int),"0")] public int typeid { get; set; } [DefaultValue(typeof(DateTime), DateTime.Now.ToString("yyyy-MM-dd HH:mm"))] public DateTime adddate { get; set; } //private DateTime? dateCreated = null; //public DateTime DateCreated //{ // get // { // return this.dateCreated.HasValue // ? this.dateCreated.Value // : DateTime.Now; // } // set { this.dateCreated = value; } //} public DateTime DateCreated { get { return (this.dateCreated == default(DateTime)) ? this.dateCreated = DateTime.Now : this.dateCreated; } set { this.dateCreated = value; } } private DateTime dateCreated = default(DateTime); private bool myVal = false; [DefaultValue(false)] public bool MyProperty { get { return myVal; } set { myVal = value; } } }
http://stackoverflow.com/questions/691035/setting-the-default-value-of-a-datetime-property-to-datetime-now-inside-the-syst
哲学管理(学)人生, 文学艺术生活, 自动(计算机学)物理(学)工作, 生物(学)化学逆境, 历史(学)测绘(学)时间, 经济(学)数学金钱(理财), 心理(学)医学情绪, 诗词美容情感, 美学建筑(学)家园, 解构建构(分析)整合学习, 智商情商(IQ、EQ)运筹(学)生存.---Geovin Du(涂聚文)