Constructors Constructors are class methods that are executed automatically when an object of a given type is created. Constructors usually initialize the data members of the new object. A constructor can run only once when a class is created. Furthermore, the code in the constructor always runs before any other code in a class. However,... » read more
Classes Only: Can support inheritance Are reference (pointer) types The reference can be null Have memory overhead per new instance class SampleClass { } Structs Only: Cannot support inheritance Are value types Are passed by value (like integers) Cannot have a null reference (unless Nullable is used) Do not have a memory overhead per new... » read more
In c#, Method Overloading means defining a multiple methods with same name but with different parameters. By using Method Overloading, we can perform a different tasks with same method name by passing different parameters. Suppose, if we want to overload a method in c#, then we need to define another method with same name but with different signatures. In c#,... » read more
Basic Inheritance public class Animal{ public void Greet() { Console.WriteLine("Hello, I'm some sort of animal!"); }} public class Dog : Animal{ } Animal animal = new Animal(); animal.Greet(); Dog dog = new Dog(); dog.Greet();
The following access modifiers are available: C# Modifier Definition public The type or member can be accessed by any other code in the same assembly or another assembly that references it. private The type or member can only be accessed by code in the same class. protected The type or member can only be accessed... » read more
Windows Presentation Foundation (WPF) is a graphical subsystem by Microsoft for rendering user interfaces in Windows-based applications. WPF, previously known as “Avalon”, was initially released as part of .NET Framework 3.0 in 2006. WPF uses DirectX and attempts to provide a consistent programming model for building applications. It separates the user interface from business logic, and resembles similar XML-oriented object models, such as those implemented... » read more
View Model – Data View – XAML, bind to data-model Model – Business Logic MVVM facilitates a separation of development of the graphical user interface from development of the business logic or back-end logic (the data model) The Model View ViewModel (MVVM) is an architectural pattern used in software engineering that originated from Microsoft which is specialized in the Presentation... » read more
Domain-driven design (DDD) is an approach to software development for complex needs by connecting the implementation to an evolving model. The premise of domain-driven design is the following: placing the project’s primary focus on the core domain and domain logic; basing complex designs on a model of the domain; initiating a creative collaboration between technical and domain experts to iteratively refine a conceptual... » read more
Utility Explorer works inside of Management Studio, so it uses the same familiar interface that you already know. In Management Studio, to switch to the Utility Explorer, go up to the View menu, and then click on Utility Explorer. Using the SQL Server Utility application, they can gather information about the status, health and performance... » read more
The SQL Server Activity Monitor gathers information about the monitored instance and displays the data in a series of collapsible panes. Right Click Server -> Activity Monitor The Activity Monitor is split up into a couple of different panes. Overview Processes Resource Waits data file input output Recent expensive queries Active expensive queries