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.
  • ASP.NET Core 2.0 Web API AND HATEOASDec 14, 2017. The idea behind HATEOAS (Hypermedia As The Engine Of Application State) is to transfer links in the resource representations. The sample demonstrates how links can be provided for a collection and individual resources. The links represent the actions that can be performed on the resource at a given point in time.
  • Knowing When To Reflect With Caller Info AttributesDec 10, 2017. If you've been around C# long enough, you've probably had a need at one time or another to figure out some information about code that's being executed. It might be a method name, the file being executed, or even more specific details like the line number.
  • 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.
  • Dynamic Search In DataGridViewNov 30, 2017. This article will help you to understand the Dynamic Search method in DataGridView in C#.
  • 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.
  • Passing Data Between Components - Day TwoNov 29, 2017. We have seen that we can pass the data between the components using the @Input and @Output directives and using event emitters. Let’s see the other two methods - @View child and the services which can be used to pass the data between components.
  • Passing Data Between ComponentsNov 28, 2017. Article explains 2 Methods of communication between the components .
  • Generate Python Wrapper For C# Methods Using ReflectionNov 27, 2017. In this article, we will generate a Python wrapper around C# methods using reflection methods of .NET framework.
  • Implementing Field Mapping Using Xrm.WebApiNov 24, 2017. In this article, we are going to provide sample code for using Xrm.WebApi retrieve method.
  • Using Xrm.WebAPI In Dynamics 365/CRMNov 22, 2017. With the release of Dynamics 365 update 9.0, now we have a new library to implement WebApi methods using Xrm.WebApi. Instead of writing complete request, now we can just use direct CURD methods from WebApi.
  • Create App Using Xamarin.Android Using C# - Part FourNov 17, 2017. Xamarin.Android has native user interface controls. These controls can be easily added to Xamarin.Android apps using the Android Designer or programatically via XML layout files. Xamarin.Android exposes all of the user interface object properties and methods in C#.
  • Monitoring S3 With Events And SNSNov 16, 2017. This is Muhammad Habib Jawady in a new DevOps hands-on tutorial. In my first Amazon Web Services tutorial, I will be showing you how to leverage the S3 events feature and Simple Notification Service In order to monitor actions taken on certain assets .
  • 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
  • ASP.NET Core 2.0 MVC FiltersNov 13, 2017. Filter runs after an action method has been selected to execute. MVC provides built-in filters for things like authorization and caching. Custom filters are very useful to encapsulate reusable code that you want to run before or after action methods.
  • Types Of Web API Action ResultsNov 13, 2017. This article explains about Web API action results and explanation of REST result.
  • JavaScript Flow Chart And Workflow With C# ASP.NET MVCNov 09, 2017. As soon as we wake up in the morning, we start to make decisions - do we stay in bed? (weekend, yea!), or get out of the bed? (get to work, must catch the train...). Once we make that first decision, we might take an action (grab a coffee!), or ponder another decision (do I need to visit the bathroom first?). As the day progresses, our life is one decision after another. Its the same in every organization. In one way, we can say that life, and how it goes, is based on infinite possibilities of flow-states :)
  • URL Routing Of ASP.NET MVC And ASP.NET Web FormsNov 06, 2017. Asp.Net MVC has route-based URLs which means URLs are divided into controllers and actions; and moreover, it is based on controller not on physical file.
  • Debugging Tips - Part ThreeNov 06, 2017. While working on a complex code, we often come across situations where you need to debug lots of code to find/fix the issue(s). That also includes going through lots of methods (probably related or unrelated). .NetFramework provides a way to avoid unwanted "Step in" through the methods. Using DebuggerStepThrough (using System.Diagnostics) attribute, you can skip debugging of unwanted methods and reduce the debugging time to some extent.
  • 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.
  • Introduction To ASP.NET MVC Model BindingNov 02, 2017. Asp.NET MVC model binder allow you to map http request data with model. HttpRequest data means when user makes a request with form data from browser to controller at that time model binder works as middle man to map the incoming http request with controller action method.
  • ASP.NET Core 2.0 MVC Model BindingOct 30, 2017. In a previous post on Routing, I showed how MVC maps URLs to Controller and actions to execute. We touched on the topic of the model binding mechanism through which MVC binds routing template tokens to action parameters.
  • 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.
  • ASP.NET Core 2.0 MVC RoutingOct 23, 2017. Routing in ASP.NET Core MVC is the mechanism through which incoming requests are mapped to controllers and their actions. This is achieved by adding Routing middleware to the pipeline and using IRouteBuilder to map URL pattern (template) to a controller and action.
  • Hosting Website With Filezilla To AzureOct 19, 2017. We can use the FTP client Filezilla for website hosting to Azure. And it is an FTP method. And sometimes we may face some errors in it. And the solution is also mentioned in this article.
  • Power BI - Get Data From SharePoint List / LibraryOct 16, 2017. In this article, we will explore two methods to get data from SharePoint List / Library in Power BI.
  • C# 7.0 And C# 7.1 New Features - Part TwoOct 16, 2017. This article explains the new features of C# 7.0 & C#7.1. It covers new features like Discards, Pattern Matching, Generalized async return types, Async Main (Main Method returning Task), Infer Tuple Element Names, Default Literal Expressions & Type Inference and Pattern Matching with Generics.
  • Getting Started With SharePoint Framework For SharePoint 2016 On-PremisesOct 12, 2017. Once you have installed and upgraded the September 2017 Public Update for SharePoint 2016, you will be able to upload and deploy SharePoint Framework packages that contain web parts via the SharePoint App Catalog just as you would with SharePoint Add-ins.
  • 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.
  • How To Use Fiddler With ASP.NET Web API TestingOct 11, 2017. If you are developer, tester or a manager, sometimes understanding the various methods of API can be a challenge when building and consuming the application.
  • Understanding Computer Vision API In AzureOct 11, 2017. The Computer Vision API gives you the tools to understand the contents of any image. Create tags identifying objects, beings, or actions present in the image, and then craft coherent sentences to describe it.
  • Overview Of Partial View In ASP.NET MVCOct 11, 2017. In ASP.NET MVC, View gets activated or executed with the help of a controller. All the incoming browser requests first knock to the controller then controller functionality will decide which view or action should be executed.
  • 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.
  • Sending Bot Reply Message With Attachment Using Bot FrameworkOct 07, 2017. The Bot Framework enables you to build bots that support different types of interactions with users. You can design conversations in your bot to be freeform. Your bot can also have more guided interactions where it provides the user choices or actions. The conversation can use simple text strings, the message with an attachment like the image, File (pdf, word, excel, ppt), mp3, Video or more complex rich cards.
  • .NET Entity Framework Core Generic Async Operations With Unit Of Work Generic RepositoryOct 05, 2017. The advantage of generic repository is that you can inherit from it, pass an entity type, and you will get CRUD operations. It will save you a lot of coding time when your domain objects are likely to grow over 50+. Another advantage is change history functionality; you can inherit your entities from the change history interface.
  • How To Use Postman With ASP.NET Core Web API TestingOct 04, 2017. If you are developer, tester, or a manager, sometimes understanding the various methods of API can be a challenge when building and consuming the application.
  • HTML 5 Web Workers In ActionOct 01, 2017. In a nutshell, web worker is a JavaScript code that runs in the background (without refreshing the page) and without adding any performance overhead on the page. So that means, you can continue using your site by clicking here and there while web worker is doing its assigned functionality in the background.
  • 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.
  • 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.
  • Getting Started With Customizing A FormFlow Using Microsoft Bot FrameworkSep 25, 2017. The Bot Framework enables you to build bots that support different types of interactions with users. You can design conversations in your bot to be freeform. Your bot can also have more guided interactions where it provides the user choices or actions. The conversation can use simple text strings or more complex rich cards that contain text, images, and action buttons. And you can add natural language interactions, which let your users interact with your bots in a natural and expressive way.
  • How To Use Swagger With ASP.NET Core Web APIsSep 24, 2017. If you are developer, tester or a manager, sometimes understanding the various methods of API can be a challenge when building and consuming the application.
  • Adding Check Box Functionality In An Android App Using Android StudioSep 21, 2017. In this article, I will show you how to create am Android app using Android Studio. Android Checkbox is a type of two state button, either checked or unchecked. There can be a lot of usage of checkboxes. For example, it can be used to know the hobby of the user, activate/deactivate the specific action etc.
  • Create Immutable Type In C#Sep 14, 2017. A public constructor that accepts initialization data is required so that the client can pass-in minimum state for the type to be valid. Private constructor, on the other hand, is used by methods to construct a new object and set its entire state.
  • Step By Step Procedure To Create A Microsoft FlowSep 14, 2017. Microsoft Flow is a part of Office 365 suite which is a cloud-based software tool that allows users to create an automated workflow across multiple applications and services without the need for developer help. Microsoft flows is built on top logic app engine. But as this app is built for targeting business personnel, the total process is UI based. To create a flow, the user specifies what action should take place when a specific event occurs.
  • ASP.NET Core 2.0 Static FilesSep 13, 2017. Static files can also be served from folders outside wwwroot by passing in StaticFileOptions to middleware and setting a FileProvider and RequestPath. This is useful when you want authorised access to files e.g. by returning FileResult action result from a secure controller.
  • ASP.NET Core 2.0 EnvironmentsSep 12, 2017. Starting from an empty project, discussed in a previous post, modify the Configure() method to use the IHostingEnvironment to call different middleware based on current environment.
  • ASP.NET Core 2.0 MiddlewareSep 06, 2017. Create a Hello World app using ASP.NET Core Middleware. Middleware components are called in the order they appear in Configure() method; i.e., the order in which they're added to the pipeline. The response, on its way back to the client, also passes through the same middleware pipeline.
  • How Should We Store Images And Blob Files In SQL ServerSep 06, 2017. There is always a requirement from developers: How should I store images and BLOB files in SQL Server ? In this post let's explore the data types and methods used for storing Binary Large Objects also know as BLOBs, such as images and sounds, into SQL Server.
  • Getting Started With Bing Speech API In WPF ApplicationsSep 06, 2017. Cognitive services are a set of APIs that are designed to democratize artificial intelligence by enabling systems to see, hear, speak, understand and interpret our needs using natural methods of communication.
  • Getting Started With Azure SchedulerSep 04, 2017. Azure Scheduler allows you to describe actions to run in the cloud. You can schedule and run the actions automatically. You can schedule the scheduler by using Rest API or azure PowerShell.
  • Async Validation In WPFAug 31, 2017. Quite often validation requires web requests, database calls or some other kind of actions which require significant amount of time. In this case, UI should be responsible during the validation, but saving/submitting data should be disabled until validations completion.
  • Getting Started With Voice Of The CustomerAug 29, 2017. In any industry customer satisfaction plays a very important role. It provides a real picture about our happy and unhappy customers which helps us to manage and plan our business effectively. We can get a customer satisfaction matrix using different methods and one of them is to use customer satisfaction surveys.
  • Getting Started With Dialog Using Microsoft Bot FrameworkAug 28, 2017. The Bot Framework enables you to build bots that support different types of interactions with users. You can design conversations in your bot to be freeform. Your bot can also have more guided interactions where it provides the user choices or actions. The conversation can use simple text strings or more complex rich cards that contain text, images, and action buttons. And you can add natural language interactions, which let your users interact with your bots in a natural and expressive way.
  • Creating Login Form For Users With Image Uploading For Password RecallAug 27, 2017. The article is an alternate method of creating a login form where the conventional way of giving a password hint will be given as a question. In this, you can add an image which can be your hint if you forget your password.
  • Create Office Web Add-In Project Using Visual StudioAug 24, 2017. In this article, I would like to share the steps to create Office web add-in projects using Visual Studio. In this article, we have explored what Office add-ins are and how to create Office web add-in projects using Visual Studio 2015.
  • Custom Extension Method In C#Aug 23, 2017. Here, I am going to explain how to create and use the extension method.
  • Swift Programming - Zero To Hero - Part ThreeAug 17, 2017. Statements are the building blocks of any program. We can perform any function with the help of statements, such as checking values or declaring variables, calling methods, or even creating objects.
  • Custom Model Binding In ASP.NET Core MVCAug 17, 2017. Model binding in MVC maps HTTP request data to the parameters of the controller's action method. The parameter may either be of simple type like integers, strings, double etc. or complex types. MVC binds the request data to the action parameter by parameter name.
  • Understand Service Scheduler In AzureAug 14, 2017. It is a task scheduling service provided by Microsoft Azure. It can perform many actions regarding the job details in the scheduler and can also check Scheduler’s monitoring and management capabilities.
  • Overview Of Filters In MVC - Part TwoAug 10, 2017. In ASP.NET MVC, a user request is routed to the appropriate Controller and Action Method. We need situations where we want to execute some logic before or after an action method executes. ASP.NET MVC provides Filters for this.
  • Learn Universal Windows Programming Via Modern C++ (Button Control)Aug 10, 2017. Button control allows the user to click to perform actions, there are mainly two properties, content and click event. Content properties are used to the set the caption of the Button and click event is used to trigger the event.
  • Introduction To jQuery And Web API 2 Controller’s Method Relationship Using jQuery AJAX In ASP.NET MVC RazorAug 06, 2017. ASP.NET Web API is a smart framework to build HTTP services which can be consumed by Multi platform clients including desktops or smart phone devices, irrespective of browsers or Operating Systems being used.
  • Overview Of Filters In MVCAug 06, 2017. In ASP.NET MVC, a user request is routed to the appropriate controller and action method. We need situations where you want to execute some logic before or after an action method executes. ASP.NET MVC provides filters for this.
  • Building Your Own Container ImagesAug 04, 2017. Here, we will be building our own container images. For doing this we have two different ways, namely manual method and automated method. Let us see both ways.
  • Track Security Role Changes Using AuditingAug 03, 2017. Have you been in a situation where the client is complaining about sudden access to unwanted entities/not required for their process or suddenly they are not able to perform some set of actions? If yes this article is going to help you.
  • Null Object Design PatternJul 29, 2017. A null object is also known as a Stub, an Active Nothing or an Active Null. It helps our program logic to get rid of null checks where ever possible. We all know, that we can not call methods on a null reference as it results in a NullReferenceException. The null object pattern provides a non-functional object in place of a null reference and therefore allows methods to be called on it.
  • Cache Headers For MVC File Action Result (ASP.NET Core 2.0 Preview 2)Jul 25, 2017. I’m pretty sure that you are familiar with StaticFiles middleware of the framework. All it does is serve static files (CSS, JavaScript, image, etc.) from a predefined/configurable file location (typically from inside the web root, i.e., wwwroot folder). But along the way, it also does some cache headers configuration. The reason behind this is you don’t want your server to be called up every time for a file that doesn’t change frequently. Let’s see how a request for a static file looks in the browser’s network tab.
  • 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.
  • Way Of Adding Angular In Visual Studio 2017 With a Simple MethodJul 24, 2017. This article explains how to add Angular in a simple way. We can add AngularJS in a different way to develop an application in Visual Studio but this article explains how to add angularJS in Visual Studio 2017 using a simple method.
  • Entity Framework Core Triggers In Action (Unofficial Package)Jul 24, 2017. This article shows you how to work with database triggers in Entity Framework Core using a third party library.
  • Custom Actions Using CSOM For SharePoint Online - Part TwoJul 20, 2017. This is the second post of the Custom Actions Using CSOM for SharePoint Online series. In this post we will see how to create Ribbon Custom actions for different types of lists (Custom List, Document Library and Calendar).
  • Working With Filters In ASP.NET Core MVCJul 18, 2017. Filters allow us to run custom code before or after executing the action method. It provides ways to do common repetitive tasks on our action method. The filters are invoked in certain stages in the request processing pipeline.
  • Custom Actions Using CSOM For SharePoint OnlineJul 18, 2017. In this post, we will see how to add and remove Menu(ECB) and Ribbon custom actions to different types of lists (Custom List, Document Library and Calendar) in SharePoint online using CSOM (.NET managed) code.
  • Ability To Develop HTTP Methods Or Verbs (GET, POST, PUT, DELETE etc)Jul 17, 2017. Before going to explain the significant verbs or methods (GET, POST, PUT, DELETE, HEAD, OPTIONS, TRACE and CONNECT) for the communication among different clients and servers, first of all we should understand what HTTP methods are and how they are useful in real time.
  • Arithmetic Operation In ASP.NET MVCJul 16, 2017. In action result method I passed one string parameter named command and using this command I assigned some arithmetic operation string value and based on that the operation will be performed.
  • Introduction To SharePoint Event ReceiversJul 12, 2017. Event Receiver is a important feature in SharePoint . The use of Event Receiver is to handle the events. It is like a method that is triggered when an action occurs on a specified SharePoint object.
  • Get Started With Azure DevTest Creating Server Machines With ArtifactsJul 07, 2017. Azure DevTest is an effective resource that Azure has come up with for supporting developers and testers to avoid environment delays, allow self-service actions on turning the VM’s (Virtual Machines) on or off, and works with simple cost effective solutions to leverage the application which we host on the cloud.
  • AddMvc And AddMvcCore Method In ASP.NET Core MVCJul 07, 2017. In this article, you will learn the differences between AddMVC() method and AddMvcCore() in ASP.NETcore MVC. ASP.NET Core is a modular complete rewrite of .NET cross platform framework.
  • Update Entity Form JS Library Without Removing Event Handlers - Quick WorkaroundJul 06, 2017. Let’s say we have one entity with a good amount of custom fields and we have developed a web resource for the main form. Many of the fields have onchange event associated with them. Now we have a new requirement where we need to implement a similar kind of form with some new functionality for different types of users and some of the existing methods also need to be modified. The requirement is to replace new form JS library with updated new JS library but without removing dependent handlers (as we are using many onchange event handlers as it is) with minimum effort.
  • Deploying Logic Apps Service In Azure PortalJul 06, 2017. Logic Apps are used as fully managed iPaaS (integration Platform as a Service) allowing developers not to have to worry about building hosting, scalability, availability and management.A logic app begins with a trigger after firing and can begin many combinations of actions, conversions, and condition logic. It also provides the path to simplify and implement scalable integrations and workflows in the cloud. It provides a visual designer to model and automate your process as a series of steps known as a workflow.
  • 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.
  • ECMAScript5 Features - Strict Mode, JSON And MoreJun 28, 2017. Strict Mode is a new feature in ECMAScript 5 that allows you to place a program, or a function, in a “strict” operating context. This strict context prevents certain actions from being taken and throws more exceptions (generally providing the user with more information and a tapered-down coding experience).
  • Working With Objects In Windows PowerShellJun 27, 2017. Everything in PowerShell is an Object. An Object is a programmatic representation of anything. Each object has properties and methods.
  • How To Perform Custom Actions And Upgrades Using Visual Studio InstallerJun 24, 2017. Visual Studio provides installer projects in order to make application deployment simple. To have Visual Studio installer project type with your version of Visual Studio, make sure you download and install corresponding extensions to your machine.
  • 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.
  • Async, Await And Asynchronous Programming In MVCJun 05, 2017. Async, Await And Asynchronous Programming In MVC.
  • Action Selectors In ASP.NET MVCMay 31, 2017. Action Selectors In ASP.NET MVC.
  • Extension Method In C#May 23, 2017. Extension Method In C#.
  • Data Structures And Algorithms - Part Two - A Word About Big-O NotationMay 22, 2017. This article is an introduction to Big-O Notation, which is used to measure the running time of a function/ method.
  • Upgrade SharePoint Framework Solution Using Upgrade ActionsMay 17, 2017. Upgrade SharePoint Framework Solution using Upgrade Actions.
  • Azure Traffic Manager - Part OneMay 16, 2017. In the following article we will see how to create and add endpoints to Azure Traffic Manager profile with a geographical routing method
  • Action Filters In ASP.NET MVCMay 16, 2017. This article illustrates about Action Filters in ASP.NET MVC.
  • Asynchronous File Upload Using Kendo UI Async Upload With MVC And Entity FrameworkMay 09, 2017. In this article, we going to see about how to perform asynchronous file upload using Kendo UI async upload.
  • Publishing A Website To Azure, The FTP MethodMay 07, 2017. In the article given below, we will see how to publish a Website via FTP.
  • Publishing A Website To Azure, The Visual Studio MethodMay 06, 2017. The article given below will give you a demo on how to deploy a Website on Azure, using Visual Studio.
  • Software Testing!! BDD, AAA-Structure And Mocking For Unit TestingApr 16, 2017. In this article, you will learn about naming conventions, body structure and object mocking of the test method for unit testing.
  • SharePoint 2013 Workflow - App PermissionsApr 14, 2017. In this article, we explore SharePoint 2013 Workflows. It is possible to use the app step action to give the Workflow its own permission set.
  • SQL Server - ServicesApr 10, 2017. MS SQL Server provides services which are mandatory for database creation and maintenance. This article shows how to start and stop Services, using different types of methods.

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