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How To Calculate Column Sum In Tabular Reports With Grouping Enabled

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This old post from Caspio should be updated with the following changes so that it works when Grouping is enabled:

http://forums.caspio.com/index.php/topic/3171-js-calculate-column-sum-in-the-result-page/

 

Aggregation should be used instead, but if you want to SUM a Calculated Field which in turn is based on a sub-query, it will not be available for Aggregation. See the second paragraph here for details on this case http://howto.caspio.com/release-notes/caspio-bridge-9-0/9-0-known-issues/

 

 

I've highlighted the changes below

 

</div>
<script>
 
function NumberFormatted(amount,decimal) 
{
   if(isNaN(amount))
      i = 0.00;
   else
   {
      var v_number = parseFloat(amount);
      var v_minus = '';
      if(v_number < 0)
         v_minus = '-';
      v_number = Math.abs(v_number);
      v_number = Math.round(v_number*Math.pow(10,decimal));
      v_number = v_number/Math.pow(10,decimal);
      v_numStr = new String(v_number);
      v_decStr = new String(Math.pow(10,decimal));
      if(v_numStr.indexOf(".") < 0) 
         v_numStr = v_numStr + "." + v_decStr.substr(1,v_decStr.length);
      else
         v_numStr = v_numStr + v_decStr.substr(1,v_decStr.length);
      return (v_minus + v_numStr.substr(0,v_numStr.indexOf(".") + decimal + 1));
   }
}
 
function f_calTotal() 
{
   var v_totalRev = 0;
   var v_rev = 0;
   var cas_form = document.getElementById("cb_resultTotal");
   if (cas_form.getElementsByTagName("table").length > 0) 
   {
//For counting all rows, so that we can use the count as the index for inserting a new row.
var countRows = cas_form.getElementsByTagName("table")[2].getElementsByTagName("tr");
//For reading just the data rows, not the Grouping rows, to avoid null values.
      var cas_rows = cas_form.getElementsByTagName("table")[2].querySelectorAll('tr[data-cb-name=data]');
      for(var rowIndex=1; rowIndex < cas_rows.length; rowIndex++) 
      {
//Narrows down to just data cells.
         var cells = cas_rows[rowIndex].querySelectorAll(".cbResultSetData");
 
/* 1 – change value inside brackets to choose column to calculate sum */
         v_rev = cells[3].innerHTML;
 
         if ( v_rev != " " && !isNaN(v_rev.substr(1)))
            v_totalRev = v_totalRev + parseFloat(v_rev);
      }
//New row will be based on count of all rows, not count of rows searched.
      var v_nrow = countRows.length;
      cas_form.getElementsByTagName("table")[2].insertRow(v_nrow); 
      var o_lastRow = cas_form.getElementsByTagName("table")[2].rows[v_nrow];
      o_lastRow.style.background = "#385C7E";
      o_lastRow.insertCell(0);
      o_lastRow.insertCell(1);
 
 
/* 2 – Display the “Total†label (2 lines below) */
      var v_colText = o_lastRow.insertCell(2);
 
      v_colText.innerHTML = "<div style='padding:5px;color:#ffffff;font-size:14px;font-weight:bold;font-family:Arial'>Total</div>";
 
      var v_colValue = o_lastRow.insertCell(3);
 
/* 3 – Display the result of the calculation (2 lines below) */
      v_colValue.innerHTML = "<div style='padding:5px;color:#ffffff;font-size:14px;font-weight:bold;;font-family:Arial'>$" + NumberFormatted(v_totalRev,2) + "</div>";
 
      o_lastRow.insertCell(4);
   }
}
</script>
 
<script>
f_calTotal();
</script>

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