<WebSysDescriptionAttribute("Fires when the control's data binding expressions are to be evaluated.")>
<WebCategoryAttribute("Data")>
Public Event DataBinding As EventHandler

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

[WebSysDescriptionAttribute("Fires when the control's data binding expressions are to be evaluated.")]
[WebCategoryAttribute("Data")]
public event EventHandler DataBinding

public event DataBinding: EventHandler; 

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

[WebSysDescriptionAttribute("Fires when the control's data binding expressions are to be evaluated.")]
[WebCategoryAttribute("Data")]
public: __event EventHandler* DataBinding

[WebSysDescriptionAttribute("Fires when the control's data binding expressions are to be evaluated.")]
[WebCategoryAttribute("Data")]
public:
event EventHandler^ DataBinding