The following example overrides the OnPreRender method in a custom server control. When the custom control is requested from an ASP.NET page, during the PreRender stage of page processing, OnPreRender method is called and the custom PreRender_Handler method sends its _message property value, "Parent Text was changed by PreRender method", to the page.
Protected Overrides Sub OnPreRender(e As EventArgs)
MyBase.OnPreRender(e)
End Sub
Private Sub PreRender_Handler(sender As Object, e As System.EventArgs)
_message = "Parent Text was changed by PreRender method"
End Sub
protected override void OnPreRender(EventArgs e)
{
base.OnPreRender(e);
}
private void PreRender_Handler(object sender,System.EventArgs e)
{
_message = "Parent Text was changed by PreRender method";
}
protected void OnPreRender(EventArgs e)
{
super.OnPreRender(e);
} //OnPreRender
private void PreRender_Handler(Object sender, System.EventArgs e)
{
_message = "Parent Text was changed by PreRender method";
} //PreRender_Handler