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Time Sum problems

Hi,

I've just managed to get a report up and going with the elapsed time between a start DateTime & Time field and a finish DateTime & Time field. I got help from within this forum, the formula I ended up using to calculate this was:

datetimevar x := datetime(date({VisitLog.StartedDate}),time({VisitLog.StartedTime}));

datetimevar y := datetime(date({VisitLog.CompletedDate}),time({VisitLog.CompletedTime}));

//  The above takes the date part of the Started (and Completed) DateTime Fields and combines it with the 

//  Time of Started and Completed Time fields, thus giving you start and complete datetimes.

 

NumberVar z := datediff('s',x,y);

//  Get the difference between the Start and Complete DateTimes in Seconds.

 

totext(int(z / 3600), 0) & ":" &

totext(abs((Remainder (z,3600)) / 60), 0);

//  Convert the total seconds into hours and minutes.

It's working great, however...

Now that I have all the visits our engineers make in a week to various jobs, I need to work out the total time sent within the time period (the report is run with a date range parameter). The problem is the normal 'sum' function won't work as it's a time value rather than a normal numerical value.

I did have a look round the forum for other examples but I couldn't find anything to help so thought I'd once again ask the experts :o)

An example of what I have..

Job No. - Date - Site - Elapsed Time - Status

1 - 01/01/09 - CHP - 1:0 - complete

2 - 01/01/09 - Office - 2:20 - complete

3 - 01/01/09 - Office - 1:45 - started

4 - 02/01/09 - Yard - 0.50 ; - complete

I would be looking to create a total time spent using the values within the 'Elapsed Time' column. As I say these figures are generated as per the formula above and the formula name is 'Elapsed Time'.

Any help you can give would be greatly appreciated and once again - I'm sorry if what I'm trying to do seems pretty basic to you guys, it's been a while since I used crystal.

Thanks,

Kris

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    author's profile photo Former Member
    Former Member
    Posted on Nov 02, 2009 at 09:28 PM

    Put the first three functional lines (up through the determination of 'z') into a separate formula, then Sum() that. To show the total time, use the same formula that you're using at the end - except replacing 'z' with the Sum() - to convert the Sum() of the number of seconds to HH:MM.

    HTH,

    Carl

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    • Former Member Kris Glodek

      Kris,

      I'm happy to help, but I think you really need to do some reading (or a class) on how to use Crystal.

      Grouping is set up using the Group Expert. Summing of a field can be added directly to a report using the Sigma icon, or another formula can be created and the SUM() function used.

      Carl

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