C # upload file size limit

1.WebConfig:

<system.web>
    <authentication mode="None" />
    <compilation debug="true" targetFramework="4.5.2" />
    <httpRuntime targetFramework="4.5.2" appRequestQueueLimit="100" executionTimeout="80"  maxRequestLength="1048576000" useFullyQualifiedRedirectUrl="false" />
    <httpModules>
      <add name="ApplicationInsightsWebTracking" type="Microsoft.ApplicationInsights.Web.ApplicationInsightsHttpModule, Microsoft.AI.Web" />
    </httpModules>
  </system.web>
  <system.webServer>

<System.webServer> added with:

<security>
      <requestFiltering>
        <requestLimits maxAllowedContentLength="1048576000"/>
      </requestFiltering>
    </security>

 

2. The application pool:
Click on the ASP website, open the property limit, change the maximum requesting entity body limit, and then click Apply