菜单仅是指向网站上其他页面的链接.如果单击菜单，则该页面很明显会回发.当您解释内容正在更改时，这就是您的母版页的工作.

Menu is nothing but the links to another pages in websites. If you click on the menu then it is obvious that page get postback. As you explain that content is getting changed, it is the working of your master page.

尝试使用< asp:updatepanel>您的菜单链接在这里</asp:updatepanel>

try to use <asp:updatepanel> ur menu link here </asp:updatepanel>