SQL Server 2005 Get First and Last date for any Month in any Year

Question

I have a stored procedure that has to accept a month as int (1-12) and a year as int. Given those two values, I have to determine the date range of that month. So I need a d

Answer 1

DECLARE @Month int;
DECLARE @Year int;
DECLARE @FirstDayOfMonth DateTime;
DECLARE @LastDayOfMonth DateTime;

SET @Month = 3
SET @Year = 2010

SET @FirstDayOfMonth = CONVERT(datetime, CAST(@Month as varchar) + '/01/' + CAST(@Year as varchar));
SET @LastDayOfMonth = DATEADD(month, 1, CONVERT(datetime, CAST(@Month as varchar)+ '/01/' + CAST(@Year as varchar))) - 1;