如何用C#和SQL获得当前月的第一天和最后一天

如何用C#和SQL获得当前月的第一天和最后一天

Posted on 2008-04-02 18:35 停留的风 阅读(233) 评论(0) 编辑 收藏 网摘 所属分类: 工作经历, Asp.net int year = DateTime.Now.Year;
int month = DateTime.Now.Month;

DateTime firstDayOfThisMonth = new DateTime(year, month, 1);
DateTime lastDayOfThisMonth = new DateTime(year, month, DateTime.DaysInMonth(year, month));SQL

DECLARE @NOW DATETIME
DECLARE @FistDayOfThisMonth DATETIME
DECLARE @LastDayOfThisMonth DATETIME

SET @NOW = GETDATE()
SET @FistDayOfThisMonth = @NOW - DAY(@NOW) + 1
SET @LastDayOfThisMonth = DATEADD(MONTH, 1, @NOW - DAY(@NOW) + 1) - 1

SELECT @FistDayOfThisMonth
SELECT @LastDayOfThisMonth