2 To make clear everytime you simply call a class property it can do a null / vacant Verify, the place given that the dB will only do it on INSERTs or UPDATEs which are usually twenty% in the dB function. So your DataContext for "video_length_textbox" is set to alone, https://commercialofficespacesalenoida.blogspot.com/2025/05/build-your-legacy-with-signature-global.html