When i click the "submit" button, the page becomes to this:
"Server Error in '/' Application.
The resource cannot be found.
Description: HTTP 404. The resource you are looking for (or one of its dependencies) could have been removed, had its name changed, or is temporarily unavailable. Please review the following URL and make sure that it is spelled correctly.
Requested URL: /Post/Submitcomment/1499
Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.7.2106.0 "
@realluochen9999 Great! I'm glad it's working now.