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lulu50Flag for United States of America

asked on 

Gary!!!! check if the data exist in the dropdown list

Hi,

I need to check if the group number already exist in the parent window drop-down list
before append the data

my code in the child page:

function AddToTheList()
{
		var SelectedSeg=new Array();
		var SelectedGroup=new Array();	
		var dropdownGroup = $("#DispSelectedGroupBox");
		var options="";
		$('#DispGroupList option:selected').each(function() {
    			vals = $(this).val()
    			vals=vals.split(",")

		   options+='<option value="'+vals[0]+','+vals[1]+ '" data-GroupNumber="'+vals[1]+'">'+vals[2]+'</option>';

   		})
		
		   window.opener.$("#DispSelectedGroupBox").append(options);
}

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what I need is to check if #DispSelectedGroupBox has the GroupNumber already
before appending the data to it.  

so something like this:  

function AddToTheList()
{
		var SelectedSeg=new Array();
		var SelectedGroup=new Array();	
		var dropdownGroup = $("#DispSelectedGroupBox");
		var options="";
		$('#DispGroupList option:selected').each(function() {
    			vals = $(this).val()
    			vals=vals.split(",")

		$.each(dropdownGroup, function(index, value) {
				if ($('#DispSelectedGroupBox option[data-GroupNumber=' +vals[1] + ']').length > 0)
		{
					alert("Already filtering on " + vals[1]);
			}
			else {
		  options+='<option value="'+vals[0]+','+vals[1]+ '" data-GroupNumber="'+vals[1]+'">'+vals[2]+'</option>';
			}
				});
   		})
		   window.opener.$("#DispSelectedGroupBox").append(options);
}

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jQueryJavaScriptJScript

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lulu50
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Gary
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Would it not make sense to just replace whatever is there or are there values coming from somewhere else?
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lulu50
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ASKER

no, it shouldn't replace whatever is there.
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lulu50
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ASKER

so something like this maybe.

function AddToTheList()
{
		var SelectedSeg=new Array();
		var SelectedGroup=new Array();	
		var dropdownGroup = $("#DispSelectedGroupBox");
		var selectedGroups = $("#DispSelectedGroupBox option:selected");
		var options="";
		$('#DispGroupList option:selected').each(function() {
    			vals = $(this).val()
    			vals=vals.split(",")

	$.each(selectedGroups, function(index, value) {
		
		if ($('#DispSelectedGroupBox option[data-GroupNumber=' +vals[1] + ']').length > 0)
		{
			alert("Already filtering on " + vals[1]);
			}
			else {
		  options+='<option value="'+vals[0]+','+vals[1]+ '" data-GroupNumber="'+vals[1]+'">'+vals[2]+'</option>';
			}
	});

   		})
		
		   window.opener.$("#DispSelectedGroupBox").append(options);
}

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Gary
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lulu50
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ASKER

getting error on this line

      if(window.opener.$("#DispSelectedGroupBox option[value='"+vals[0]+','+vals[1]+"']").length == 0{


ERROR: Object expected

function AddToTheList()
{
		var SelectedSeg=new Array();
		var SelectedGroup=new Array();	
		var dropdownGroup = $("#DispSelectedGroupBox");
		var options="";
		$('#DispGroupList option:selected').each(function() {
    			vals = $(this).val()
    			vals=vals.split(",")

		if(window.opener.$("#DispSelectedGroupBox option[value='"+vals[0]+','+vals[1]+"']").length == 0{
		{
				options+='<option value="'+vals[0]+','+vals[1]+ '" data-GroupNumber="'+vals[1]+'">'+vals[2]+'</option>';
			}

   		})
		
		   window.opener.$("#DispSelectedGroupBox").append(options);
} 

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Gary
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Missing the closing bracket

		if(window.opener.$("#DispSelectedGroupBox option[value='"+vals[0]+','+vals[1]+"']").length == 0){

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lulu50
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ASKER

Gary!!!!!

What can I say.  It is working!!!!!! very very nice.  

Thank you Gary for all your help this is exactly what I need.  

Can't thank you enough. lol lol

I am very very happy with the result..

So, thank you again and again.  

lulu
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lulu50
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ASKER

I've requested that this question be closed as follows:

Accepted answer: 0 points for lulu50's comment #a39913050

for the following reason:

Excellent ++++ for one million and one lol lol
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lulu50
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ASKER

I selected the wrong one maybe

this is the correct answer
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lulu50
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ASKER

oh, I did select the wrong one.

please, admin fix it for me.
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Gary
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You selected the answer, its fine now.
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lulu50
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ASKER

oh good thank you Gary
JavaScript
JavaScript

JavaScript is a dynamic, object-based language commonly used for client-side scripting in web browsers. Recently, server side JavaScript frameworks have also emerged. JavaScript runs on nearly every operating system and in almost every mainstream web browser.

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