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asp.Net 发布时间：2022-04-07 发布网站：大佬教程 code.js-code.com

大佬教程收集整理的这篇文章主要介绍了asp.net – System.Web.UI.ViewStateException,无效的viewstate，大佬教程大佬觉得挺不错的，现在分享给大家，也给大家做个参考。

我的网站每天都抛出以下异常,我找不到解决方案.
我在网上做了很少的研究,这是我到目前为止所做的.将以下选项添加到aspx将无法解决问题.

此外,我的推荐网址是正确的网址,我不知道它如何重定向两个(相同)参数.我的推荐页面中没有这样的链接.请帮忙.

错误日志

URL : http://www.abcd.com/company-details.aspx?com=asia-pacific-pte-ltd&com=asia-pacific-pte-ltd

referral URL : http://www.abcd.com/companies/asia-pacific-pte-ltd/

Inner Exception Type: System.Web.UI.ViewStateException

Inner Exception: Invalid viewstate. Client IP: 192.162.19.193 Port: 1966 User-Agent: Opera/9.80 (Windows NT 6.1; WOW64; MRA 6.0 (build 6001)) Presto/2.12.388 Version/12.11 ViewState: 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...

Inner source: 

Exception Type: System.Web.httpException

Exception: The state information is invalid for this page and might be corrupted.

Stack Trace: at System.Web.UI.ViewStateException.ThrowError(Exception inner,String persistedState,String errorPagemessage,Boolean macValidationError) at System.Web.UI.HiddenFieldPageStatePersister.Load() at System.Web.UI.Page.LoadPageStateFromPersistenceMedium() at System.Web.UI.Page.LoadAllState() at System.Web.UI.Page.ProcessrequestMain(Boolean includeStagesBeforeAsyncPoint,Boolean includeStagesAfterAsyncPoint) at System.Web.UI.Page.Processrequest(Boolean includeStagesBeforeAsyncPoint,Boolean includeStagesAfterAsyncPoint) at System.Web.UI.Page.Processrequest() at System.Web.UI.Page.Processrequest(httpContext context) at ASP.exhibition_details_aspx.Processrequest(httpContext context) in c:\Windows\Microsoft.NET\Framework64\v2.0.50727\Temporary ASP.NET Files\root\0f461847\442b0502\App_Web_bfjqxdef.20.cs:line 0 at System.Web.httpApplication.CallHandlerEXECUTIONStep.System.Web.httpApplication.IEXECUTIONStep.Execute() at System.Web.httpApplication.ExecuteStep(IEXECUTIONStep step,Boolean& completedSynchronously)

updatE
我通过从下面的链接压缩ViewState来修复错误
http://www.codeproject.com/Articles/14733/ViewState-Compression

并通过用此替换原始方法来修复Base-64 char数组错误的无效长度.

protected override object LoadPageStateFromPersistenceMedium()
    {
        String viewState = request.Form["__VSTATE"];
        viewState = viewState.replace(" ","+");

        int mod4 = viewState.Length % 4;
        if (mod4 > 0)
        {
            viewState += new String('=',4 - mod4);
        }
        byte[] bytes = Convert.FromBase64String(viewStatE);
        bytes = Compressor.Decompress(bytes);
        LosFormatter formatter = new LosFormatter();
        return formatter.Deserialize(Convert.ToBase64String(bytes));
    }