问题:某网站出现的数据列表分页显示,而上一页和下一页都是用__doPostBack提交到后台处理,如javascript:__doPostBack('ucInfoListMore$gridInfoList$_ctl21$_ctl1',''),我们根本得不到他绝对链接的地址,而且每一页得下一页传入的参数是一样的。
分析:我们首先理解__doPostBack做了哪些事情。
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明白了吧,问题就在.__EVENTTARGET(后台处理的事件)和__EVENTARGUMENT上。这样就简单了,我们可以给这两个参数赋值,然后向后台发送Post就可以了。那么如何指定某一页呢,Asp.Net在后台是以Session方式保存当前页信息的,我们在Post得时候能够保证实在同一个会话中进行的就可以了。