Αποτελέσματα Αναζήτησης
19 Απρ 2018 · The project is an ASP.NET MVC Web App targeting the .NET Framework 4.6.1. All of a sudden (some NuGet packages were upgraded) I started to get the following error during runtime: CS0012: The type 'System.Object' is defined in an assembly that is not referenced.
29 Φεβ 2024 · The following errors indicate that an assembly reference is invalid: CS7008 : The assembly name is reserved and cannot be used as a reference in an interactive session. CS7069 : Reference to type claims it is defined in another assembly, but it could not be found.
1 Φεβ 2023 · #if, along with the #else, #elif, #endif, #define, and #undef directives, lets you include or exclude code based on the existence of one or more symbols. Conditional compilation can be useful when compiling code for a debug build or when compiling for a specific configuration.
If you are referring an old DLL then it can't be used. So you have to refer to a new DLL. If you are using it in a different namespace and trying to use the other namespace's dll then it won't refer to this method. You may need to rebuild the project. I think third option might be the cause for you.
23 Φεβ 2022 · The Object class is the base class for all the classes in the .Net Framework. It is present in the System namespace. In C#, the .NET Base Class Library(BCL) has a language-specific alias which is Object class with the fully qualified name as System.Object.
You can fix NullReferenceException in a clean way using Null-conditional Operators in C# 6 and write less code to handle null checks. It's used to test for null before performing a member access (?.) or index (?[) operation. Example var name = p?.Spouse?.FirstName; It is equivalent to:
15 Μαρ 2024 · The C# 11 compiler caches the delegate object created from a method group conversion and reuses that single delegate object. This feature was first available in Visual Studio 2022 version 17.2 as a preview feature, and in .NET 7 Preview 2.
