DateDiff to output hours and minutes

Question

my code gives TOTAL HOURS in hours, but i am trying to output something like

TotalHours 
  8:36

where 8 represents hour part and 36 repres

Answer 1

Please put your related value and try this :

declare @x int, @y varchar(200),
        @dt1 smalldatetime = '2014-01-21 10:00:00', 
        @dt2 smalldatetime = getdate()

set @x = datediff (HOUR, @dt1, @dt2)
set @y =  @x * 60 -  DATEDIFF(minute,@dt1, @dt2)
set @y = cast(@x as varchar(200)) + ':' + @y
Select @y