从此处开始:如何:创建ASP.NET用户控件 [ ^ ].阅读文档，了解您自己拥有多远.当您自己尝试执行一项操作时，如果真的很困难，请返回并提出一个问题.

Start here: How to: Create an ASP.NET User Control [^]. Read the documentation and see how far you get on yoru own. When you get really stuck having given it a good go on your own, then come back and ask a question.