File upload more than 4 mb issue solving code

    <configuration>

      <system.web>

        <httpRuntime maxRequestLength="2147483645"

          enable = "true"

          requestLengthDiskThreshold="512" useFullyQualifiedRedirectUrl="true"

          executionTimeout="45"

          versionHeader="1.1.4128"/>

      </system.web>

    </configuration>