How to calculate sum of hours in crystal report?

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I have the total numbers of hours in the string format(HH:MM:SS) in dataset.I want to calculate sum of HH:MM:SS in crystal Report.

For example 52:42:04 +20:34:04 = 73:16:08
I tried the below code in function...But the Output is 00:00:00

What I have tried:

WhilePrintingRecords; 
NumberVar TotalSec :=  tonumber({TimeUsedReport.TotalHours});
NumberVar Hours   := Truncate  (Remainder ( TotalSec , 86400) / 3600) ; 
NumberVar Minutes := Truncate  (Remainder ( TotalSec , 3600) / 60) ; 
NumberVar Seconds := Remainder (TotalSec , 60) ;


Totext ( Hours ,   '00' ) +  ':' + 
Totext ( Minutes , '00' ) +  ':' + 
Totext ( Seconds , '00' )

Posted 16-May-17 18:40pm

Developer29

Updated 17-May-17 0:51am

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Richard Deeming 17-May-17 13:05pm

This is yet another example of why you should never store dates and times as strings.

After all, it's not like SQL doesn't have specific types[^] for storing them.

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Zunayed Shahriar · Accepted Answer · 2017-05-17T00:51:00

You may try this -

create a formula in the details that will convert the HH:MI:SS in seconds.Lets call it @tot_seconds.

write this code in the formula -

local stringvar array completetime;
local numbervar totalseconds;
completetime:=split({@combinetime},":");
totalseconds:= (3600*cdbl(completetime[1])) + (60*cdbl(completetime[2]))+(cdbl(completetime[3]));

This formula will return the total seconds for every record shown in the details section.substitute your field with the @combinetime.

Summarize this field ,add a total for the above formula in the reports footer section.Now you have the total time in seconds.

we will convert back this time to the HH:MI:SS.Create a formula and put in report footer.Write the following code in the formula -

replace(cstr(floor(Sum ({@tot_seconds})/3600)),".00","")
+ ":" + replace(cstr(floor((Sum ({@tot_seconds}) mod 3600)/60)),".00","")
+ ":" + replace(cstr(floor(Sum ({@tot_seconds}) mod 60)),".00","")

The result of this formula will show the total time in the HH:MI:SS format.

Source: The ASP.NET Forums

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