Find Previous Month’s First and Last Day in C#.Net

static void Main(string[] args)
{
var yr = DateTime.Today.Year;
var mth = DateTime.Today.Month;
var firstDay = new DateTime(yr, mth, 1).AddMonths(-1);
var lastDay = new DateTime(yr, mth, 1).AddDays(-1);
Console.WriteLine(“First day Previous Month: {0}”, firstDay);
Console.WriteLine(“Last day Previous Month: {0}”, lastDay);
Console.ReadLine();
}
O/P : First day Previous Month:11/1/2011 12:00:00:00 AM
Last day Previous Month: 11/31/2011 12:00:00:00 AM