谷歌是你的朋友：好好经常拜访他。他可以比在这里发布问题更快地回答问题...



一个非常快速的搜索给了超过一百万次点击，只为C＃！ Google [ ^ ]



跟随其中一个给你至少一个解决方案... http：// www.dotnetfunda.com/forums/thread4397-how-to-display-username-in-a-lable-after-he-logins.aspx [ ^ ]



将来，请尝试自己做至少基础研究，不要浪费你的时间我或我们的。

Google is your friend: Be nice and visit him often. He can answer questions a lot more quickly than posting them here...

A very quick search gave over a million hits, just for C#! Google[^]

Following a random one of them gives you at least one solution...http://www.dotnetfunda.com/forums/thread4397-how-to-display-username-in-a-lable-after-he-logins.aspx[^]

In future, please try to do at least basic research yourself, and not waste your time or ours.