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Flex datagrid won't update after source changes

bdzot
bdzot asked
on
2,247 Views
Last Modified: 2013-11-11
I have a datagrid with an arraycollection as a dataprovider.  The array consists of a boolean and two strings.  

In the course of the program, I need to reset the checkboxes in the datagrid to false.  I thought that simply changing the value in the array would do it, but the checkbox on the screen remains checked.

How do I access the checkboxes from the code to reset them to false?

Code is how I'm trying to do it now.
for each(var c:CountryData in countries){
					if(c.isSelected){
						if(tempCountry.length>0){
							tempCountry = tempCountry + prepend + c.countrycode;
						}
						else{
							tempCountry = c.countrycode;
						}
					}
					c.isSelected=false;
					trace(c.isSelected);
				}

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