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Count records in list control with specific value

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  • Count records in list control with specific value

    I want to retrieve the count in Javascript of the number of records with a specific value. Let's say for example:

    List control: orderitems
    field with value: price
    value to count: 3.99

    So, I want a count of all the records with the price of 3.99. I can get a total record count, but want to get it of just the ones with the specific value. I'm sure I'm overthinking this again.

    Thanks in advance!

  • #2
    Re: Count records in list control with specific value

    This is what I had working for a grid component. Now I'm using a List control and need to figure out the same.

    what we're basically doing is looking for a specific flag, 'PROMO' or 'PROMO2' and setting a specific price if count is 5 or greater or 7 or greater respectively.

    function promoCount(){
    	var Repeatingsection = {Dialog.object}._harvestRepeatingSection('CONTAINER_3');
    		var total = 0;
    			for (i = 0; i < Repeatingsection.length; i++) {
      			  if (Repeatingsection[i].PROMO) {
    	{Dialog.object}.setValue('rowcount', total);
    	var Repeatingsection = {Dialog.object}._harvestRepeatingSection('CONTAINER_3');
    		var total = 0;
    			for (i = 0; i < Repeatingsection.length; i++) {
      			  if (Repeatingsection[i].PROMO2) {
    	{Dialog.object}.setValue('rowcount2', total);
    function setPromoprice(){
    	var p1 = {dialog.Object}.getValue('promoprice');
    	var p2 = {dialog.Object}.getValue('promoprice2');
    	var rc = {dialog.object}.getValue('rowcount');
    	var rc2 = {dialog.object}.getValue('rowcount2');
    	var rows = {dialog.Object}._getRepeatingSectionRowCount('CONTAINER_3');
    		for (var i = 1; i < rows+1; i++) {
    	var d2 = {dialog.Object}.getValue('promo');
    		if (d2 == true && rc % 5 === 0) {
    	var d2 = {dialog.Object}.getValue('promo2');
    		if (d2 == true && rc2 % 7 === 0) {


    • #3
      Re: Count records in list control with specific value

      Looks like a Repeating Section in a UX... not a grid.


      • #4
        Re: Count records in list control with specific value

        Yeah. That too. LOL.
        It's late and I've been staring at the computer screen too long.


        • #5
          Re: Count records in list control with specific value

          This is where Javascript becomes fun. There are a few way to do this... and because the List control gives you a data object one way is to use .filter.

          var lData = {dialog.Object}.getListData('LIST1');
          var fnData = lData.filter(function(fn){
          	return fn.FIRSTNAME ==='Freddy';
          var fnCount = fnData.length;
          This can also be written as...

          var fnData2 = lData.filter(fn2 => fn2.FIRSTNAME === 'Freddy');
          var fnCount2 = fnData2.length;
          If you want to go after multiple values... as you indicated... then...

          var fnPromo = lData.filter(function(promo){
          	return ["Fred","Freddy"].indexOf(promo.FIRSTNAME) != -1;
          var fnCount = fnPromo.length;
          .filters returns an array of objects (your List rows) which you then count using .length.


          • #6
            Re: Count records in list control with specific value

            Perfect! Now, for the twist. Check all the rows with that specific value. I would assume we'd use setCheckedValues() method, but if the list is set to return Primary Value, how do you get it to return all values so you can filter by value?

            I'm trying to select all values with PRICE = 2.99 for example, then change the price to 1.99 if there's 5 or more. Figured if I got them checked then I could change the value of the checked rows. That part I know how to do. Or am I adding an unnecessary step?