Check this out: Implementing a Custom Error page on an ASP.Net website
Also, it looks like you're missing ".aspx" at the end of your page paths.
문제
Getting internal server error... want to redirect page on error "404 Page not found".
<?xml version="1.0"?>
<configuration>
<system.web>
<urlMappings enabled="true">
<add url="~/Error404" mappedUrl="~/Error404.aspx"/>
</urlMappings>
<pages controlRenderingCompatibilityVersion="4.0"/>
<customErrors mode="on" defaultRedirect="~/Error404">
<error statusCode="404" redirect="~/Error404" />
<error statusCode="500" redirect="~/Error404" />
</customErrors>
</system.web>
<system.webServer>
<httpErrors>
<remove statusCode="404" subStatusCode="-1" />
<error statusCode="404" path="/Error404" responseMode="ExecuteURL"/>
</httpErrors>
<modules runAllManagedModulesForAllRequests="true" />
</system.webServer>
</configuration>
올바른 솔루션이 없습니다
다른 팁
Check this out: Implementing a Custom Error page on an ASP.Net website
Also, it looks like you're missing ".aspx" at the end of your page paths.