SSRS 报表显示页面 asp net session丢失或者找不到 asp net session has expired or could not be found()

SSRS 报表显示页面 asp net session丢失或者找不到 asp net session has expired or could not be found()

触发原因为当闲置过久 ReportViewer 会重新Loading 导致session过期

设置report viewer control (.cs文件)的

ReportViewer1.KeepSessionAlive = true;
ReportViewer1.AsyncRendering = true;

设置report viewer 页面(.aspx)

<rsweb:ReportViewer .... KeepSessionAlive="True">
</rsweb:ReportViewer>

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原文地址：https://www.cnblogs.com/eagle-xie/p/6517717.html