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  #1  
Old August 9th, 2011, 02:10 PM
Hawk Hawk is offline
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Join Date: Mar 2009
Location: Tampa, FL
Posts: 23
Default Add Total Of column of Numbers

I have have an external data file that I am using to display a list of courses. Each record will display the courses that match a field in my data. That part works fine.

One of the columns is a number that represents hours. I need to add all of the hours for a given record to get total hours and display that number.

Thanks,
Larry
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  #2  
Old August 9th, 2011, 02:45 PM
step's Avatar
step step is offline
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Join Date: Jan 2010
Location: Charlotte, NC
Posts: 955
Default Re: Add Total Of column of Numbers

How about something like this to push the number of records from each record in the external data file into an array and then return the sum amount of that array?

Code:
var hours = [];
var totalHours = 0;
var records = externalDataFile.recordCount;

// Start an array for your hours
for (var i=1; i <= records; i++)
{
    hours.push(externalDataFile.GetFieldValue(i,'Hours')); 

}

//Sum your hours
for (var n=0; n< hours.length; n++){
    totalHours += Int(hours[n]);
    }

return totalHours;
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  #3  
Old August 10th, 2011, 06:53 AM
Hawk Hawk is offline
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Location: Tampa, FL
Posts: 23
Default Re: Add Total Of column of Numbers

Thanks for the help.

The only change was. totalHours += Int(hours[n]); To totalHours += StringToNumber(hours[n]);

I need to return a floation-point Number.
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  #4  
Old August 10th, 2011, 07:38 AM
Hawk Hawk is offline
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Join Date: Mar 2009
Location: Tampa, FL
Posts: 23
Default Re: Add Total Of column of Numbers

I'm having a problem with the math on this. It seems that if I have more than one record match in the external data file it doubles the returned value. If only one match is found it is correct.

Code:
 
//Check for a valid External File
if(FusionPro.Composition.isPreview == true || FusionPro.inValidation == true)
{
    Rule("OnJobStart");
}
//Trim leading zeros from licenseid to find matches in External File
function trimNumber(s) {
  while (s.substr(0,1) == '0' && s.length>1) { s = s.substr(1,9999); }
  return s;
}
var s = Field("licenseid");
var hours = [];
var totalHours = 0;
var numRecsExtDF = XDF.recordCount;
//count records in database
for (var i=1; i <= numRecsExtDF; i++){
        //count records that match licenseid, push to aray and return total hours.
      if (XDF.GetFieldValue(i, 1) == trimNumber(s) && XDF.GetFieldValue(i, 5) == "Technical")
    {  
            {
            hours.push(XDF.GetFieldValue(i, 4)); 
            }
 
        for (var n=0; n< hours.length; n++){
            totalHours += StringToNumber(hours[n]);
            }  
    }
 
}
var result = totalHours.toFixed(2);
return result;
Can anyone tell me what I'm missing?
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  #5  
Old August 10th, 2011, 09:57 AM
Dan Korn's Avatar
Dan Korn Dan Korn is offline
FusionPro Senior Engineer / Forum Moderator
 
Join Date: Aug 2008
Location: Chicago, IL
Posts: 4,592
Default Re: Add Total Of column of Numbers

Why are you putting the values into an array and then adding them? Just add the numbers as you find them in the file:
Code:
if(FusionPro.inValidation)
    Rule("OnJobStart");

var s = parseInt(Field("licenseid"), 10);
var totalHours = 0;
for (var i = 1; i <= XDF.recordCount; i++)
{
    //count records that match licenseid and return total hours.
    if (XDF.GetFieldValue(i, 1) == s && XDF.GetFieldValue(i, 5) == "Technical")
        totalHours += StringToNumber(XDF.GetFieldValue(i, 4));
}
return totalHours.toFixed(2);
I simplified a few other things too.
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  #6  
Old August 10th, 2011, 12:18 PM
Hawk Hawk is offline
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Default Re: Add Total Of column of Numbers

That did it thanks for the help.
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