摘要： [Tip1]在Event标签中跳转或者增加事件无法成功，并弹出“To generate an event handler the class 'XXXPage', specified by the x:Class or x:Subclass attribute, must be the first class in the file. Move the class code so that it is the first class in the file and try again. ”原因是页面的局部类没有在cs文件的最前面，按下面的代码结构进行修改。namespace P 阅读全文