<WebSysDescriptionAttribute("Fires before the page is rendered.")>
Public Event PreRender As EventHandler

Dim instance As WebGrid
Dim handler As EventHandler
 
AddHandler instance.PreRender, handler

[WebSysDescriptionAttribute("Fires before the page is rendered.")]
public event EventHandler PreRender

public event PreRender: EventHandler; 

In JScript, you can handle the events defined by another class, but you cannot define your own.

[WebSysDescriptionAttribute("Fires before the page is rendered.")]
public: __event EventHandler* PreRender

[WebSysDescriptionAttribute("Fires before the page is rendered.")]
public:
event EventHandler^ PreRender