<DescriptionAttribute()>
<CategoryAttribute("Behavior")>
Public Event InitializeSelfReferenceDataSource As ChildTableDataSourceEventHandler

Dim instance As WebGrid
Dim handler As ChildTableDataSourceEventHandler
 
AddHandler instance.InitializeSelfReferenceDataSource, handler

[DescriptionAttribute()]
[CategoryAttribute("Behavior")]
public event ChildTableDataSourceEventHandler InitializeSelfReferenceDataSource

public event InitializeSelfReferenceDataSource: ChildTableDataSourceEventHandler; 

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

[DescriptionAttribute()]
[CategoryAttribute("Behavior")]
public: __event ChildTableDataSourceEventHandler* InitializeSelfReferenceDataSource

[DescriptionAttribute()]
[CategoryAttribute("Behavior")]
public:
event ChildTableDataSourceEventHandler^ InitializeSelfReferenceDataSource

private void WebGrid1_InitializeSelfReferenceDataSource(object sender, ISNet.WebUI.WebGrid.ChildTableDataSourceEventArgs e)
{
    DataTable dt = (DataTable)e.DataSource;
    oleDbDataAdapter1.SelectCommand.CommandText = "select * from employees where ReportsTo = " +  e.ParentKeyValues["EmployeeID"].ToString();
    oleDbDataAdapter1.SelectCommand.CommandType = CommandType.Text;
    oleDbDataAdapter1.Fill(dt);
}