Asp.Net修改上传文件大小限制（修改web.config)

i. Configuration节点下

 <system.webServer>

    <security>

      <requestFiltering>

        <!--单位为字节 maxAllowedContentLength-->

        <requestLimits maxAllowedContentLength="2097151000"/>

      </requestFiltering>

    </security>

  </system.webServer>

ii. System.web下修改节点HttpRuntime为

        <!--单位为KB maxRequestLength-->

  <httpRuntime maxRequestLength="2097151" executionTimeout="3600" useFullyQualifiedRedirectUrl="true" />