Panel vs PlaceHolder

Difference between Panel and PlaceHolder

S.No	Panel	PlaceHolder
1	What tag rendered in output ? Panel will render Div tags in the brower	What tag rendered in output ? PlaceHolder will not render any tags
2	Does it provide Styling Attributes ? Panel have the styling capabilites, so we can set the cssclass or style properties such as background-color, forecolor etc..	Does it provide Styling Attributes ? Placeholder does not have any style attributes associated. We can not set cssclass or forecolor etc...
3	Automatic Width Adjustment: Panel cannot adjust width automatically if controls are added in it.	Automatic Width Adjustment: PlaceHolder can adjust width automatically if controls are added in it.
4	Memory Size: Panel is heavy in memory size as compare to PlaceHolder	Memory Size:PlaceHolder is light in memory size as compare to Panel.
5	When to use ? If we want to use it to separate controls visually, then we have to use Panel control.	When to use ? If we just want a container, without all the Display properties, then we have to use PlaceHolder control.