when does dropdownlist keep value postback during selectedindexchanged eventuality handler

to explain problem definitely does bend rebinding controls value does sojourn initial value after binding.

i have dropdownlist an aspx page being used churned projects.

along life cycle page selectedvalue altered before doing selectedindexchanged event.

in digest formula reaches eventuality handler selectedvalue behind posted client, while new selectedvalue present.

viewstate both cases, control being miscarry follows accurate same upsurge i gather.

the control being initialized again, i checked wholly does keep initial value nonetheless rather value set code.

i indeed need posted value during indicate eventuality handler duty initial digest nonetheless know since changing behind posted value replicate function second project.

i happy explain offer any unclear.