可能重复：    ASP.NET自定义控件 - 复合材料

如何制造和使用复合控件在asp.net？

How to make and use composite control in asp.net?

推荐答案

一个复合控件是一个控件的由的一些子控件（这是通过重写加入的CreateChildControls 法）。有关它们的详细文章见 MSDN：一个速成班ASP.NET控件开发：构建复合控件

A composite control is a control that's composed of some child controls (which are added by overriding CreateChildControls method). For a detailed article on them see MSDN: A Crash Course on ASP.NET Control Development: Building Composite Controls