.NET文件上传的大小限制配置

<system.web>

<!--maxRequestLength单位是Kb-->

<httpRuntime maxRequestLength="2097152" executionTimeout="3600" />

</system.web>

<system.webServer>

<security>

<requestFiltering>

<!--IIS7的设置，maxAllowedContentLength单位是Bytes-->

<requestLimits maxAllowedContentLength="2147483648" />

</requestFiltering>

</security>

</system.webServer>