C# Corner

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  • Configure Identity In ASP.NET Core 2.xDec 15, 2017. Identity is a membership system that allows us to add login functionality to our application. In my previous article, I have explained about the overview of Identity in ASP.net Core. There are some default behaviors that can be overridden easily in our application in ConfigureService method of startup class.
  • Special Class Of C# Series - Part Two - OLE DB (Extended Properties)Dec 14, 2017. In this series of C# Special classes, we are going to see the special features available with the “OleDbConnection” class and its specialties.
  • Special Class Of C# Series - Part One - Partial ClassDec 13, 2017. This article will help you understand what partial class is used in C-Sharp language. Also, I will explain the various uses of the partial class.
  • Understanding Classes In KotlinDec 07, 2017. In the above example, I have created a nested class ‘Nestedclass’ which has a data member ‘b’ and a member method show(),now the object of nested class can access member of nested class only.
  • Aspect Oriented Programming In C# Using DispatchProxyDec 06, 2017. Example of implementing logging using Aspect Oriented approach with DispatchProxy class.
  • Introduction To VUE.jsDec 01, 2017. Vue is a framework that is designed for the implementation of user interfaces. Vue has taken the good parts of different front-end frameworks like Angular, React and Polymer.
  • Comparing Objects In C#Nov 29, 2017. In this article, we are going to compare two objects of the same class having collection property or multiple collection properties.
  • Building Entity Framework Disconnected Generic RepositoryNov 29, 2017. The repository pattern separates and retrieves data model mapping logic from the business logic. We will create a repository class for each entity class in our application. All these classes usually have a main group of equals methods.
  • MVC 5 Demo Project With Entity Framework (DB First)Nov 23, 2017. MVC project has been set up. Now, make a new C# class library project which will act as a DAL layer and Entity Framework will be handled through this project.
  • Implementation Of Face API Using Microsoft Azure And Visual StudioNov 22, 2017. This article shows how to create the Face API using Microsft Azure and Visual Studio,
  • Your Singleton Might Not Be "Single"Nov 21, 2017. Singleton has been a very popular design pattern as it is proven to have some advantages compared to the global variables
  • Passing Parameters To Middleware In ASP.NET Core 2.0Nov 15, 2017. I discussed in an earlier post that it is good practice to define middleware in a separate class and add to the pipeline using extension methods. We may also need to pass information to our middleware classes though and I’ve come across two patterns for this when digging into ASP.NET Core source code and other samples online.
  • What Is Struct And When To Use Struct In C#Nov 15, 2017. 'Struct' keyword is used to create a structure. A structure can contain variables, methods, static constructor, parameterized constructor, operators, indexers, events, and property. A structure can not derive/inherit from any structure or class. A structure can implement any number of interfaces. Structures provide better performance.
  • Azure Table Storage In ASP.NET Core 2.0Nov 14, 2017. Add a class to encapsulate storage access. Add a private helper method to access storage
  • How To Use StringBuilder And File Class For .NET ApplicationNov 14, 2017. Here, I am going to share how and why should we create error log in our application.
  • Introduction To Xamarin.Android Using C# - Part OneNov 10, 2017. Xamarin.Android will create native Android applications using modern language (C#), .NET Base Class Library Visual Studio. Xamarin is a cross-platform development tool. It solves dilemmas many developers face when developing cross-platform apps: separate coding languages and UI paradigms. With Xamarin, you can use C# for iOS, Android, and Universal Windows apps. And with Xamarin Forms, interface design for all three platforms can be accomplished within its XAML-based framework.
  • Binding DropDown List Using Tuple In ASP MVCNov 05, 2017. Tuple is a generic static class that was added to C# 4.0 and it can hold any amount of elements, and they can be any type we want. So using tuple, we can return multiple values.One great use of tuple might be returning multiple values from a method. It provides an alternative to "ref" or "out" if you have a method that needs to return multiple new objects as part of its response.
  • Three Digit Sum Using Tuple in C#Nov 02, 2017. In this article, we will be discussing an algorithm which returns possible (no. of pairs) digit pairs that are equal to a given number (6) using Tuple class.
  • Implementation Of Stack And Queue Using Linked ListNov 02, 2017. In this article, I will be discussing two data structures - Stack and Queue and their implementation using another data structure - Linked List.
  • SystemDataPaths In UWP (Windows 10 Fall Creators Update Features)Oct 31, 2017. This article explains about how to get system , app , user based path information. This SystemDataPaths, UserDataPaths, AppDataPaths class will be supported on Windows 10 Fall creators updated version build or greater and Windows 10 SDK 16999.
  • Getting Started With Receipt Card Design Using Microsoft Bot FrameworkOct 29, 2017. The Bot Framework supports different type of rich cards and provides a richer interaction experience to the user. In this article, I will show how to integrate Receipt card UI design in a Bot Application. If you are developing a shopping card Bot chat application; receipt card is very important. Receipt card class has property as a list of items, total, tax, vat, title and image. We can re-use all receipt card properties and add tab action event for navigating to original invoice website.
  • Add Class Library In ASP.NET Core Using .NET Core Command-Line Interface (CLI)Oct 29, 2017. This article explains how to add Class Library in ASP.NET Core using .NET Core Command-Line Interface (CLI) with a simple way. Before reading this article, read the previous parts of this article using below article link.
  • Debugging Tips - Part TwoOct 27, 2017. While working on complex classes/objects, it really takes two more clicks to either add that object to the Watch window or expand the object in visualizer and navigate to a specific property.
  • Debugging Tips - Part OneOct 24, 2017. A cool attribute to save some debugging time is DebuggerTypeProxy (Namespace: System.Diagnostics). Using this attribute, you can write your own logic to interpret the object at debug time. Meaning, if you have a list of class objects then you can project on certain properties and force debugger to show the value off of this proxy class. This attribute is applicable to Structures, Classes and Assemblies.
  • Get To Know The New Microsoft SharePoint Migration ToolOct 13, 2017. For many years SharePoint Migration has been a very challenging task for all the SharePoint professionals as it really requires a lot of planning, assessment and careful implementation to ensure that the data remains secure and it doesn’t get missed during the migration.
  • Angular Components (With Examples)Oct 12, 2017. A Component is nothing but a simple typescript class, where you can create your own methods and properties as per your requirement which is used to bind with an UI (html or cshtml page) of our application.
  • Getting Started With Entity Framework Core - Database-First DevelopmentOct 12, 2017. This article is the first part of the series on Getting Started with Entity Framework Core. In this post, we will build an ASP.NET Core MVC application that performs basic data access using Entity Framework Core. We will explore the database-first approach and see how models are created from an existing database. We will also take a look at how classes become the link between the database and ASP.NET Core MVC Controller.
  • ASP.NET Core 2.0 File ProvidersOct 11, 2017. ASP.NET Core provides an encapsulation of System.IO.File type in order to limit the access to file systems via PhysicalFileProvider type, which is an implementation of IFileProvider.
  • Linked List Implementation In C#Oct 09, 2017. In this article, I will discuss one of the most important Data structures- Linked List.
  • ASP.NET Core 2.0 Session StateOct 09, 2017. Using an empty project from a previous post, amend Startup class ConfigureServicee() method, and add services for session and its backing store.
  • ASP.NET Core 2.0 Error PagesSep 29, 2017. Starting from an empty project, created in a previous post, amend the Configure() method of Startup class to use middleware needed for error handling. Below I’ve used a custom middleware (defined as lambda) to handle production exceptions.
  • Why "Service Locator" is an "Anti-Pattern" for Dependency InjectionSep 29, 2017. The Service Locator is used as a replacement for the new operator. The problem with service pattern is that it hides a class's dependencies and is a bonafide anti-pattern. In fact, it takes away a developer's clarity about the class he/she is using.
  • Create Value Object In C#Sep 28, 2017. Create a class that abstracts away (encapsulate) ‘data’ in your domain and provide methods to work on it. Below is a class I don’t consider a good Value Object.
  • Default(T) In GenericsSep 27, 2017. Default represents default value of T parameter in generics intructions. In several cases, the default keyword is an absolute unknown and we think it’s unnecessary or its functionality is null. There are many development moments with the generics classes where the default keyword can be useful.
  • WebGrid Custom Paging Links To Avoid Load On Server Using Stored Procedure And ASP.NET MVCSep 27, 2017. I will show you how to fetch the data dynamically from the database and bind to the WebGrid control, using the stored procedure in MVC 4.0. In this blog, today, I will show you how to write code in ASP.NET MVC for implementation of WebGrid Control using Static Data. In later sessions, I will show you the process of using GridView Dynamically, that means using SQL Server data source.
  • SharePoint 2016/2013 - Exploring Client Side People Picker ControlSep 26, 2017. In this demo, I will be discussing the implementation details of the Client Side People Picker Control in Production Scenarios.
  • Xamarin.Forms Tip - Implement Show/Hide Password Using EffectsSep 19, 2017. While developing login pages, we usually get a requirement that there should be an icon in password entry to show/hide password while entering the password. While looking for a solution to this requirement, I found that most of the implementation is done using custom controls whereas we can do this kind of small platform-specific customization using effects. Last year, I wrote this article about implementing custom fonts using effects so I thought let's try this also using the same tecnique.
  • Introduction To Tag Helpers In ASP.NET CoreSep 18, 2017. Tag helper is a new feature in ASP.net MVC. It enables server-side code to create and render HTML elements in Razor View. It is feature of Razor View engine. They are the C# classes which participate in view generation by creating the HTML elements. Using the tag helper, we can change the content of HTML element and add additional attributes to the HTML element. It is very similar to HTML helper in ASP.net MVC.
  • Selection Manager For WPF/MVVMSep 17, 2017. This article presents the idea and implementation of a class to manage the selection of only one element in different linear and hierarchical structures.
  • Data Science Machine Learning In R ProgrammingSep 09, 2017. In this article, I am going to describe what machine learning and data science are and then we will see how we can apply machine learning techniques in data science and then we will do some practical implementations in R language of data pre-processing.
  • Frequent Pattern And Market Basket ImplementationSep 09, 2017. Frequent pattern mining is about the item sets and sequences which appear in a data set.
  • Data Mining And Market Basket ImplementationSep 08, 2017. This article talks about the major techniques which are used in data mining to extract raw data for the following steps like data cleaning, data pre-processing, etc. and constructing useful datasets which are used for prediction.
  • Aspect Oriented Programming In C# With RealProxy classSep 07, 2017. Example of implementing logging using RealProxy class.
  • SharePoint 2016/2013/Online - How To Upload Files To SharePoint Document Libraries By PowerShell AutomationSep 02, 2017. In this demo we will explore the PowerShell code to upload the file to SharePoint Online/On Premise Implementations which represents just a part of the complete automation process.
  • Building A .NET Core 2.0 Class LibraryAug 31, 2017. In my previous tutorial, Getting Started with .NET Core 2.0, we learned how to build our first console app using .NET Core 2.0. We also learned how to package and deploy the application so it can be used by other users.
  • New in Machine Learning - An Intent Based Network ManagementAug 28, 2017. Implementation and application of Machine Learning are growing rapidly across different industries. The next big thing is Intent-Based Network or IBN.
  • Normal Equation Implementation From Scratch In PythonAug 19, 2017. Normal equation is a more closed-form solution of figuring out the value of a parameter that minimizes the cost function. It's called closed-form solution in the sense that it gives the result directly though the equation.
  • Introduction To Microsoft's Coco Framework For Blockchain Applications - Part OneAug 13, 2017. Nowadays, we all are going through the boom of Blockchain technology. There is lot of information coming in our way, regarding implementation and adoption of this technology. So far we are aware of blockchain technology, its implementation for public networks like bitcoin, and platforms for creating private blockchain network like azure ethereum consortium blockchain.
  • Dependency Injection - Part 3 - Implicit Vs Explicit DependenciesAug 12, 2017. If a component or class depends upon other components to complete its operations, then these other components are dependencies for this class. Our class can have these dependencies as implicit or explicit dependencies.
  • Download Files In Zip Format Using ASP.NET MVC Razor And SweetAlert LibraryAug 10, 2017. There are so many websites that display a list of files to the end user. The user can then select one or more files from the list and request a zipped bundle of those files as a single download. In this article, I will show you this implementation using MVC.
  • Overview Of Azure Data LakeAug 09, 2017. In this article, we will walk through some important concepts of Azure Data Lake and its implementation.
  • Dependency Injection - Part Two - Five Reasons To Write Loosely Coupled CodeAug 09, 2017. A loosely coupled application has good isolation among its classes, modules and assemblies. Therefore, if we make a change to one part of the application, we only need to update the relevant modules. We do not need to make changes throughout the application.
  • Using Category To Store Your Master DataAug 08, 2017. In every CRM implementation, we deal with some sort of master data in CRM. Normally we use the traditional way to store master records by creating custom entities. But we do have a better way to store master data using Category entity.
  • Deploying An Ubuntu Server 16.04 LTS Virtual Machine Using Microsoft AzureAug 08, 2017. In computing, a Virtual Machine is an emulation of a computer system. Virtual machines are based on computer architectures and provide functionality of a physical computer. Their implementations may involve specialized hardware, software, or a combination. Azure Virtual Machine (VM) is one of several types of on-demand , scalable computing resources that Azure offers.
  • Dependency Injection - Part One -Tightly Coupled ApplicationAug 07, 2017. It is a best practice to use interfaces instead of concrete classes. These interfaces can then be mocked at the time of unit testing, which will prevent any call to the actual database. Also, it is a good practice to stop "newing-up" objects in classes.
  • SharePoint REST Calls With SPHttpClient Class In SPFx WebpartsJul 31, 2017. Let us look at the usage of sphttpclient in SPFx solutions for making REST calls.
  • Entity Framework CRUD Operation Performed With SQL Stored Procedure Using ADO.NET Entity Data ModelJul 31, 2017. You can see my pervious article for Entity framework with Ado.Net data Model connection and how to create a new entity framework project and sql database connection maintained with created entity framework project. Also you can see how to create a class in entity framework based on data table.
  • Built-In Filter Type In ASP.NET Core MVCJul 29, 2017. The ASP.net core framework includes five built-in filter types that we can sub-class and customize based on our requirement. The framework supports following built-in filters type.
  • Learn Web API : Using SQL Helper ClassJul 25, 2017. This article demonstrates how to use Web API Using SQL Helper Class with easy to use data base access in Visual Studio 2017.
  • Component In Angular 2 and How to Create Nested Component in Angular 2Jul 25, 2017. In this article, we will learn about Angular 2 components and we will also see how to create a nested component.
  • Code First Development Approach With Entity FrameworkJul 20, 2017. Which one to use in your project is completely your choice and also what you already have in place. Meaning are you designing/developing something from scratch or you already have got DB or domain classes, and also what are your preferences, meaning do you prefer to design classes first and then let your DB gets developed from those classes or you like to design visual class diagram first.
  • How To Use Localization In ASP.NET Core - Day TenJul 19, 2017. In the previous article of this series, we discussed web socket implementation in .net core applications. Now in this article, we will discuss how we can use globalization and localization in the Asp.Net Core application.
  • Multithreading In C# .NetJul 16, 2017. If you have a program that execute from top to bottom, it will not be responsive and feasible to build complex applications. So .Net Framework offers some classes to create complex applications.
  • Best Practices For MVCJul 14, 2017. Add a class library project to the solution, named Store.Model. This library is where we ‘ll keep all of our domain objects. Entity Framework will count on them in order to build the database but we are not going to configure Code First using DataAnnotations attributes on this project. Instead, we are going to put all the Code First configuration in specific Configuration classes using the Fluent API. Add a folder named Models.
  • How To Create A List/Library Programmatically In SharePoint 2013Jul 13, 2017. We need to install Visual Studio in our machine for creating a list using SharePoint Server Object Model. The Server Object Model will be executed in the server side & it provides a rich set of classes in representing & manipulating SharePoint objects. Server object model is like production server environment to access the data where Sharepoint is installed on the machine.
  • Simulate SharePoint Online Timer Jobs Using Azure FunctionsJul 05, 2017. SharePoint Server provides native Timer Jobs that inherit SPJobDefinition class to run at regular intervals defined in the SPSchedule object. This way we can create solutions that have to be iteratively run to process logic at regular intervals. However, in case of SharePoint Online Native Timer Jobs cannot be used.
  • Two-Class Boosted Decision TreeJul 03, 2017. Two-Class Boosted Decision Tree module creates a machine learning model that is based on the boosted decision trees algorithm. A boosted decision tree is an ensemble learning method in which the second tree corrects for the errors of the first tree, the third tree corrects for the errors of the first and second trees, and so forth. Predictions are based on the entire ensemble of trees together that make the prediction.
  • Understanding Interface With Real World ImplementationJul 03, 2017. In our day to day lives we learn new things; similarly in terms of programming we want to keep ourselves updated and learn every new feature. Learning a new thing is good but it doesn't become beneficial for you until you implement it in your application. Thus this article is about one of the topics that every programmer knows very well but they don’t know how to implement get the benefits.
  • Deploying A Simple LUIS Bot Using Microsoft Azure Bot ServicesJun 28, 2017. LUIS stands For Language Understanding Intelligent Service which offers a fast and effective way of adding language understanding to applications. With LUIS, you can use pre existing, world class, pre built models from Bing and Cortana whenever they suit your purposes and when you need specialized models, LUIS guides you through the process of quickly building them.It is also part of Microsoft Cognitive Service.
  • React Tutorials - Day Three - ComponentsJun 23, 2017. Today, we will learn about components. Component are the heart of React, components let you split the UI into independent and reusable sections. In React to create a component we need to extend the “React.Component” class.
  • How To Operate With Data Persistence In Xamarin.Forms - Part TwoJun 23, 2017. In this one, I’ll show you how to use the file system to save data using Xamarin with the .Forms UI Technology and the PCL (Portable Class Library) code sharing strategy.
  • Implementation Of XML Serialization And Data Contract Serialization Utility In .NETJun 17, 2017. Basic Idea about DeSerializer and Serializer; advantages and disadvantages of XmlSerializer and DataContractSerializer; implementation XML and DataContract Serializer/ De-Serializer.
  • Simple Implementation Of Knockout Template BindingJun 14, 2017. Simple demo to see how template binding can be helpful in our real-life projects.
  • Marking Methods "Obsolete" In C# Class LibraryJun 14, 2017. In this article, I will explain how a method can be marked as obsolete in C# class library.
  • Understanding React Components On SPFxJun 13, 2017. In this article, let us see how React JS components work along with multiple class hierarchy using SharePoint Framework components.
  • Simplifying MVVM INotifyPropertyChanged On Xamarin.FormsMay 12, 2017. The goal is simplifying MVVM INotifyPropertyChanged in Xamarin Forms therefore making it unnecessary to keep inheriting base classes and handling the setter of each ViewModel Property.
  • Implementation Of Currency Conversion In NINTEX FormsMay 05, 2017. In this article, you will learn about the implementation of currency conversion In NINTEX Forms.
  • Class And Style Bindings In Angular 2 - Part EightMay 04, 2017. In this article, we are going to learn how to bind classes and styles to HTML elements.
  • Two Class Support Vector MachineMay 03, 2017. An overview of Two Class Support Vector Machine.
  • Step By Step Angular 2 Implementation In Visual Studio Update 3Apr 20, 2017. This article will explain the details about how to configure your project for an Angular 2 and how to write your Angular 2 Application.
  • Custom Collection Classes In C#Apr 06, 2017. This article presents an overview of custom collection classes in C#.
  • Grid Export Implementation With Shield UI And ASP.NET Web APIApr 04, 2017. This blog emphasizes Shield UI Grid Export Implementation with ASP.NET Web API.
  • Mutable And Immutable Class In C#Mar 29, 2017. In this article, we are going to learn about mutable and immutable class in C#.
  • JavaScript Interview Day # 1 - How To Create A ClassMar 28, 2017. JavaScript interview tips - How to create a Class.
  • Overview Of List Collection Class In C#Mar 28, 2017. Overview Of List Collection Class In C#.
  • Singleton Design Pattern In C#Mar 23, 2017. In this article, we are going to learn Singleton design pattern in C#.
  • Implementation Of Autocomplete Textbox In NINTEX FormsMar 23, 2017. Learn the implementation of autocomplete Textbox in Nintex Forms.
  • How To Organize Classes Using NamespacesMar 19, 2017. How To Organize Classes Using Namespaces.
  • Sharepoint 2013 - How To Access Host Web From Sharepoint App/Add-InMar 15, 2017. In this article, we will discuss another important implementation, which shows how we can access the Host Web elements from with the App Executing (App Web) with in Host Web.
  • How To Use The Array List Class In C#Mar 07, 2017. In this article, let's see the uses of array list classes in C#.
  • Creating Google Maps AutoComplete DropDown With Multiple Map PointersMar 03, 2017. Using this method, you can implement complete Google Maps implementation.This code is written in AngularJS and MVC , but you can use in pure JavaScript also.
  • Model Class Validation Testing Using NunitFeb 15, 2017. In this article, we are going to learn about validating a Model class property that has data annotation, using Nunit.
  • Understanding Startup Class In ASP.NET CoreFeb 10, 2017. In this article you will learn about Startup Class in ASP.NET Core.
  • Send Mail Using SendGrid In .NET CoreFeb 01, 2017. Sending mail in .NET Core is not easy, as .NET Core does not support SMTPClient class. So, this article explains how we can send mail in .NET Core using SendGrid.
  • Class And Constructor In TypeScript Using Visual Studio CodeJan 23, 2017. In this article, you will learn about class and constructor in TypeScript, using Visual Studio Code.
  • Code-First Approach In MVC 5Jan 23, 2017. In this article, you will learn the implementation of the Code-First approach in MVC applications.
  • Implementation Of Google Charts In SharePoint 2013Jan 14, 2017. In this article, you will learn about the implementation of Google Charts in SharePoint 2013.
  • Convert DateTime To String Format Using IQueryableJan 10, 2017. In this article, you will learn how to convert DateTime to string (yyyy/mm/dd) format in ViewModel/Whatever class with IQueryable.
  • Implementing Cache Provider In One Line Of CodeJan 05, 2017. In this article, I will share my own Cache Provider implementation to use everywhere when calling in one line of code
  • Bootstrap Grid SystemDec 30, 2016. In this article, you will learn more about the Bootstrap grid system, grid class, and grid system rules.

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