验证 viewstate mac 失败异常
我有一个问题，我在堆栈溢出流上搜索并找到了一些答案，但没有一个对我有用，我有一个网络应用程序，它在本地主机上运行，但是当我在线托管它时，它给了我一个错误：
<customErrors mode="Off" >
必须是我做到了，然后我去使用我的应用程序，它给了我以下一个：
Validation of viewstate MAC failed. If this application is hosted by a Web Farm or cluster, ensure that <machineKey> configuration specifies the same validationKey and validation algorithm. AutoGenerate cannot be used in a cluster.
任何帮助都会很棒，谢谢
I have a question and i searched on stack-over flow and found some answer but none of it works for me ,i have a web application it works on the local host but when i host it online it gives me and error that :
<customErrors mode="Off" >
must be off i made that then i gone to use my application it gives me the following one :
Validation of viewstate MAC failed. If this application is hosted by a Web Farm or cluster, ensure that <machineKey> configuration specifies the same validationKey and validation algorithm. AutoGenerate cannot be used in a cluster.
any help will be great ,thanks
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这样做会失去安全优势，但最快的解决方案是在 web.config 中设置
enableViewStateMac="false"。如果您的 ViewState 非常大，并且您在页面加载完成之前进行回发，有时会发生这种情况。如果您使用 ViewState 作为数据存储库，这可能就是发生这种情况的原因。我还会检查您的标记并确保您没有任何未关闭的
You lose security benefits by doing this, but the quickest solution would be to set
enableViewStateMac="false"in the web.config.This can sometimes happen if your ViewState is very large, and you postback before the page has finished loading. If you're using ViewState as a data repository, that's probably why this happens. I would also inspect your markup and make sure that you don't have any unclosed
<script>tags.