C# DateTime应用
1、获取当月第一天0时0分0秒DateTime.Now.AddDays(1 - DateTime.Now.Day);Convet.ToDateTime(DateTime.Now.ToString("yyyy-MM-01"));2、获取当月最后一天23时59分59秒：DateTime.Now.AddDays(1 - DateTime.Now.Day).AddMonths(1).Add...
