Category "nullreferenceexception"

C# Npgsql connection checker Exception Throw System.NullReferenceException 'Object reference not set to an instance of an object.'

My code try to check is the PostgreSQL server running and accessible by given credentials for given database. Use the Npgsql NuGet. If all the data, also IP, P

Setting MauiSplashScreen tag on MyMauiProject.csproj with a mp4 file throw null exception from Resizetizer/SkiaSharpBitmapTools, looks hardcoded trash

Setting the MauiSplashScreen tag inside my net6.0 MyMauiProject.csproj pointing to a mp4 file makes it throw a null exception from Resizetizer/SkiaSharpBitmapTo

What is a NullReferenceException, and how do I fix it?

I have some code and when it executes, it throws a NullReferenceException, saying: Object reference not set to an instance of an object.

HttpContext.User NullReferenceException only on deployed server

I am using formsauthentication on my MVC project and when testing locally using the Visual Studio Development Server everything works as expected. Once deployed