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what is bubbled event can u pls explain?

ADO.NET Interview Question
ADO.NET Interview Question

Answer:

all heavy controls like grid view,datagrid or datalist,repeater controls cantains the chield controls like button or link button, when we click this button then the event will be raised, that events are handled by parant controls,that is called event bubbling,means event is bubbled from bottom(chield)to up(parant).

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