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24 Ιαν 2013 · In your case, your objects should really be classes, which then in turn makes then reference types that you can consume. public class O { public string test { get; set; } } var newO = new O() { test = "cat" }; newO = "dog";
The message "Object not set to an instance of Object" means you are trying to use an object which has not been initialized. This boils down to one of these: Your code declared an object variable, but it did not initialize it (create an instance or 'instantiate' it)
1 Φεβ 2023 · C# preprocessor directives. Article. 02/01/2023. 9 contributors. Feedback. In this article. Nullable context. Conditional compilation. Defining symbols. Defining regions. Show 2 more. Although the compiler doesn't have a separate preprocessor, the directives described in this section are processed as if there were one.
With the following Extension methods that I have created, you can set or get any property value even if they are nested. GetPropertyValue(customObject, "Property.Nested.Child.Name"); or set . SetPropertyValue(customObject, "Property.Nested.Child.Name", "my custom name");
7 Φεβ 2024 · Exceptions in C# provide a structured, uniform, and type-safe way of handling both system level and application-level error conditions. 21.2 Causes of exceptions. Exceptions can be thrown in two different ways. A throw statement throws an exception immediately and unconditionally.
23 Δεκ 2023 · C# unlike C++, VB.Net or Objective-C doesn’t have a single keyword for declaring properties, instead it uses two keywords (get/set) to give a much abbreviated syntax for declaring the functions.
11 Ιαν 2015 · Since .NET 2.0, I had been using ConfigurationManager.AppSettings["emailAddress"]. However, I'm now trying to learn how to do it the new way via IConfiguration. My problem is, this is a class library. For that reason, I'm not sure how, or where, or when, the configuration file gets loaded.
