c# - Customize asp.net DropDownList to support custom data bound field -


i want need customize dropdownlist support custom databound filed. can bound dropdownlist need field mydropdownlist. ( how customize asp.net dropdownlist support custom data bound field ) find code , code, useful me. cant take custom databound field on selected indexchange.

this code run , work fine. cant take selected customproperty.how can fix code or can me how can write code this?

best regards


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