设置DNN上传文件的尺寸

修改web.config文件
添加requestFiltering. 73400320是设置上传文件的尺寸
 

<system.webServer>

 ... 

 <security> 

 ... 

 <requestFiltering> 

 <requestLimits maxAllowedContentLength="73400320"/>

 </requestFiltering>

</security>

</system.webServer>

修改maxRequestLength

<httpRuntime targetFramework="4.5" shutdownTimeout="120"

    executionTimeout="1200" useFullyQualifiedRedirectUrl="true" 

    maxRequestLength="71680" requestLengthDiskThreshold="28672"

    maxUrlLength="2048" requestPathInvalidCharacters="<,>,*,%,:,\,?"

    enableVersionHeader="false" requestValidationMode="2.0" fcnMode="Single"

    />