ASP.NET An easy data bind on selected index change

I have a drop down list  ddlist1

i want it to dynamically change the value of of a second drop down list ddlist2

ddlist 1 is NOT databound

ddlist 2  IS databound to a sqlDataSource called priceData

i want to change ddlist2 to be databound by priceDataWeek on if ddlist.value > 3

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Write code in OnSelectedIndexChanged event of ddl1 to rebind ddl2.

Hope it helps


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