How to increase Upload time in File Upload Control

<system.web>


       

  <!--  <httpRuntime maxRequestLength="104857600" executionTimeout="3600" />-->

or

<httpRuntime

executionTimeout="904857600"

maxRequestLength="104857600"

useFullyQualifiedRedirectUrl="false"

minFreeThreads="8"

minLocalRequestFreeThreads="4"

appRequestQueueLimit="100"

enableVersionHeader="true"/>


    
  </system.web>