Control.OnInit(EventArgs) Method
Definition
Important
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Raises the Init event.
protected:
virtual void OnInit(EventArgs ^ e);
protected public:
virtual void OnInit(EventArgs ^ e);
protected virtual void OnInit (EventArgs e);
protected internal virtual void OnInit (EventArgs e);
abstract member OnInit : EventArgs -> unit
override this.OnInit : EventArgs -> unit
Protected Overridable Sub OnInit (e As EventArgs)
Protected Friend Overridable Sub OnInit (e As EventArgs)
Parameters
Examples
// Override the OnInit method to set _text to
// a default value if it is null.
[System.Security.Permissions.PermissionSet
(System.Security.Permissions.SecurityAction.Demand,
Name="FullTrust")]
protected override void OnInit(EventArgs e)
{
base.OnInit(e);
if ( _text == null)
_text = "Here is some default text.";
}
' Override the OnInit method to set _text to
' a default value if it is null.
<System.Security.Permissions.PermissionSetAttribute( _
System.Security.Permissions.SecurityAction.Demand, _
Name:="FullTrust")> _
Protected Overrides Sub OnInit(ByVal e As EventArgs)
MyBase.OnInit(e)
If _text Is Nothing Then
_text = "Here is some default text."
End If
End Sub
Remarks
ASP.NET calls this method to raise the Init event. If you are developing a custom control, you can override this method in order to provide additional processing. If you override this method, call the base control's OnInit method to notify subscribers to the event.
Applies to
See also
Σχόλια
https://aka.ms/ContentUserFeedback.
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