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rajesh v
diff btwn render,reRender,renderAS
render - Boolean value (if it is true, it displays the block else it will be hidden)
reRender - ID. Particular block will be refreshed.
renderAs - Display the page as pdf, excel, etc...
reRender - ID. Particular block will be refreshed.
renderAs - Display the page as pdf, excel, etc...
1. Rendered : It use to place condition for a component(Field, outptpanel, section etc), that will show or not on page.
<apex:inputField value="{obj.Filed_C}" Rendered="{!val == true}"/>
2. ReRender : It is use after a ajax call, Is comonent will again check condition for that component.
3. RederAs : It is use for Visualforce page show as PDF file or other
<apex:page controller="mmm" rederAs="pdf">