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populate a drop down based on the value of another drop down which are in a data table

 
Vaibhav Mittal
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I am stuck with something. I have a data table which contains two drop downs. One is populated based on the value of the other. The problem is- in each row, the dependent drop down(if i may call it that) is populated based on the value of the first drop down that is selected for a particular row.


As you can see, the route number drop down has to populated based on the selection of the pickup point. I am able to get the pick up point id of the selection that is made on the first drop down(which is pickup point) but i am unable to catch hold of the corresponding drop down for route. Any ideas or thoughts would be very helpful. Thanks.
 
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