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Dynamic populating three drop down list based on the selected value of first two list

Before reading this please read the dynamic filling of second drop down list with selected value of first list. Here we will work with three drop down lists where the value of second list is populated based on the selection of first list and the values of third drop down list are populated based on the selection of second drop down list. Here is the page is reloaded on selection of second drop down list and for this the table structure is changed with creation of third table.

If you are facing any problem in using this code, please post it in php discussion forum with your error messages, bugs etc ..

view demo for three dropdown list here





Further readings
Double drop down list on managing second list based on selection of first list
Enable second drop down list after selection of first list box
Double drop down list Frequently Asked Question
Manageing three drop down list
Double drop down list demo
Three drop down list demo
Adding options to a list box from database
Managing list box options from a period button
Retaining the form field values once the page reloads
Controlling second list box by using Ajax & PHP


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