DateTime Compare
DateTime date1 = new DateTime(2009, 8, 15, 0, 0, 0); DateTime date2 = new DateTime(2009, 8, 16, 0, 0, 0); int result = DateTime.Compare(date1.Date, date2.Date); string relationship; if (result < 0) relationship = "1 < 2"; else if (result == 0) relationship = "==="; else relationship = "1 > 2"; Console.WriteLine("{0}",relationship); // output // result = 1 ; 1 > 2 // result = 0 ; 1 = 2 // result = -1; 1 < 2
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