C# Programming Tutorials

C Sharp Programming Tutorials And Articles
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Entity framework is Microsoft’s latest data access technology and is considered a replacement for ADO.NET. However, there are still plenty of features where ADO.NET beats entity framework, but developers are now switching to Entity Framework owing to its strong decoupling and separation of concerns...
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Delegate.Invoke Delegate.Invoke is used to execute a delegate on the current thread. A delegate is just a reference to a function or method, and Delegate.Invoke is the mechanism to call this function or method (similar to a normal function call). Delegate.BeginInvoke Delegate.BeginInvoke...
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Introduction LinkedList is a general-purpose linked list. It supports enumerators and implements the ICollection interface.It is a true linked list with separate nodes of type LinkedListNode, so insertion and removal are O(1) operations. Lists that contain reference types perform better if...
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Introduction Commenting in any programming langauge is important part of development because it helps understanding the code better and supplements when working as a part of the large team and so C# being a langauge of the modern era has some of the best support any project needs as far as the...
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Introduction Exceptions are unforeseen errors that happen in your programs. Most of the time, you can, and should, detect and handle program errors in your code. For example, validating user input, checking for null objects, and verifying the values returned from methods are what you expect, are...
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Class overview Microsoft documentation says the Directory class exposes static methods for creating, moving, and enumerating through directories and subdirectories. In addition, you may access and manipulate various directory attributes such as creation or last modified time stamps, along...
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When Windows developers need a unique value, they often utilize a Globally Unique Identifier (GUID). Microsoft uses the term GUID for a unique number that identifies an entity, such as a Word document. A GUID is a 128-bit integer (16 bytes) that you can use across all computers and networks...
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Introduction Before designing a class, we should have a very clear understanding about constructor. In this article I will discuss definition, types and features of constructor. Definition A constructor looks like a special method having no return type and its name is same with the class...
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One of the most important modules of a software application is the module that implements time and date management functionality. Time and dates are an integral part of any application be it a desktop based application, a web based application or a mobile application. Consider a scenario, where you...
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Any software application, two of the most frequently done tasks are formatting and parsing the data. In simplest words, formatting refers to the process of converting some type to string and conversely parsing refers to converting string into some other data type. There are several techniques that...
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Garbage collection and memory management is probably that domain of programming where .NET Framework beats most of the other application development platforms. Most of the time, garbage collection is automatically done by .NET runtime once the object gets out of scope. When a .NET object is not...
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.NET Framework comes with a set of debugging tools. Particularly if you are using and advanced IDE such as Visual Studio, you can use debugger and other diagnostic tools available in the IDE. This debugging, however, is only applicable during the development of the application. Once the application...
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In my last tutorial on basics of threading, I explained what threading basically is and how it is actually implemented in C#. I would advise you to have a look at it before continuing with this article or if you have an Idea of what threads actually are, you can continue with this article. Writing...
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Collections classes like ArrayList, Hashtable, Stack, and Queue are used. The various concepts of generics and its classes can be explored in this article. Collection classes in .NET .NET frame work provides user with different collection classes. They are present in System.Collections...
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The .NET framework 4.5 has namespace as System.Dynamic which contains the DLR. The following diagram shows the dynamic language runtime in C#. http://imgs.g4estatic.com/c-sharp/dynamic-language-runtime/Fig1.jpg The dynamic language runtime consists of following components. Expression...
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.NET contains number of classes that help in generic collection creation. The generic classes are strongly typed. The methods perform sorting, reversing elements, element searching. User can create a Key/Value pair. Some of the generic collection classes in .NET are as shown below: List<T>...
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The following new features are introduced in C# 5.0: Async and await Lambda expressions Caller Information Windows Runtime Support Compiler API 1. Async and await
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In synchronous programming, the user needs to wait for the method completion. In asynchronous programming, the calling thread starts the method and executes concurrently. The message queuing operates asynchronously. The client does not wait for the server to read the data. Message queuing...
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The following diagram shows the parts and containers present in the Managed Extensibility Framework. http://imgs.g4estatic.com/c-sharp/Managed-Extensibility-Framework/Fig1.jpg The container is used to find the parts from the catalog. The catalog finds the parts from the assembly or a...
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Windows Runtime is a replacement for the Windows API. It provides user with managed classes that are used from C# to access the system features. The runtime is a native API. It is easy to be used as the .NET framework class. Namespaces The classes present in the Windows Runtime are grouped...
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