C# Corner

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  • Publish Nuget Packages In .NET CoreJan 19, 2018. Now that you have a registry and key to upload your packages, let’s create and push a package. I am using here a simple .NET Core class library I wrote to work with CSV files, the source code can be found on GitHub. You can of course use any of your projects.
  • App.Config AutoReaderJan 17, 2018. In our day to day development, it is a rare case where we don’t need to read a configuration file. There are many techniques for the treatment of such static classes, singleton classes, etc and it is normally that the Config class is accessible in all projects.
  • Basics Of Kotlin - JVM ImplementationJan 15, 2018. Hello Guys, we already knew that Google announced that Kotlin is a new first class language for Android Development. Kotlin is now an official language on Android. It's expressive, concise, and powerful. Best of all, it's interoperable with our existing Android languages and runtime.
  • Basics Of Angular And Its Versions - Part TwoJan 15, 2018. Module is nothing but a package like a package in Java, a namespace in C# and like a header-file in C / C++. Java, C#, and C++ have their own modularity system which contains classes, interfaces, enumerations etc. In the same way, Angular also has its own modularity system called NgModules which helps to organize an application into adhesive blocks of functionality. Every Angular application should have at least one NgModule and the root module is called AppModule.
  • Singleton Design Pattern In C# - Part Three (Static vs Singleton)Jan 11, 2018. In this series of learning singleton patterns, we learned lazy initialization and eager initializations with practical examples. We also learned why it is necessary to make the singleton class sealed with sealed keyword. In this article, I’ll try to explain the differences between static and singleton class and where to use static and where to use singleton classes.
  • How To Take Screenshot Using jQuery And PHPJan 10, 2018. Hello all, today in this article we will learn how to take screenshots using jquery and php. So, basically we will create a webpage and in the webpage we create a button which will take screenshot using the help of library called html2canvas . So once we take the screenshot we will save the screenshot in a json file using the help of jquery, javascript and php. We will be using for jquery and javascript to handel client side request and php to handel server side request. We will also learn about file handling using php.
  • Singleton Design Pattern In C# - Part Two (Eager and Lazy Initialization in Singleton)Jan 09, 2018. In this article, we’ll discuss Lazy initialization, the lazy keyword, why to make singleton class a sealed class and what are the differences between singleton and static class.
  • Three Popular C# InterfacesJan 09, 2018. In this article, you will learn about the most common interfaces in the C# Libraries that you can use to create robust classes and objects.
  • Hashing In ASP.NET Core 2.0Jan 08, 2018. The new Data Protection API in .NET Core includes functionality to create hashes using PBKDF2algorithm. ASP.NET Core uses this behind the scenes in PasswordHasher class, which is used in ASP.NET Core Identity.
  • Store And Retrieve Using FILESTREAM From SQL DatabaseJan 06, 2018. Hello friends today I will explaining you regarding storing and retrieving image, video and other document files from SQL server using FILESTREAM future. If you are new to FIELSTREAM then read my previous article FILESTREAM Feature In SQL Server.
  • How To Debug Minified JS FileJan 05, 2018. Debugging minified JS file is always a tedious task for developers. In day to day development life we end up in a situation where all JS files will be minified and moved into production for deployment. It is usual that some unprecedented JS error comes across browser versions. Being a developer finally it comes to our lap to resolve the issue. To reproduce the same error in a test environment with un-minified JS version doesn’t work out. To resolve this issue requires some kind of hard work which is time consuming.
  • Hide The Running Batch File Using Visual Basic ScriptJan 02, 2018. This how-to article is straightforward and to the point. In this post, you will learn how to run batch files in hidden mode.
  • Integrate Angular 5 With Visual Studio 2017Jan 02, 2018. If installation file finds any open Visual Studio instances it will stop the installation and ask us to click on “EndTask”, by clicking , it will close the all the instances of Visual Studio.
  • Device Year Class Library Using Android ApplicationJan 02, 2018. Android device's specifications and calculates which year the device would be considered.
  • Creating A CRUD With ASP.NET Core And EF CoreDec 28, 2017. Entity Framework Core (EF) is an ORM that makes it simpler to work with database by using POCO classes that map to database entities and DbContext to interact with them.
  • Consuming ASP.NET Core 2.0 Web API Using HttpClientDec 26, 2017. We’ll create a library to wrap the functionality of HttpClient. I’ll use builder pattern for this purpose. Add a class with methods for storing parts of HttpClient.
  • Read And Write Operation In HDFSDec 26, 2017. HDFS is hadoop distributed file system; in simple terms a file is stored in a distributed machines. The Hadoop framework was designed considering reliability, throughput, network I/O, and disk I/O; but compromised with latency, which is best in RDBMS.
  • Validating User Input Using Regular Expression With C#Dec 22, 2017. In this article, you will learn how to validate user input using Regex class with C# Programming language
  • Brief Description Of HDFS ArchitectureDec 22, 2017. Let us learn the HDFS architecture in this article. HDFS is a distributed file system called Hadoop Distributed File System.
  • Asynchronous Messaging Using ASP.NET Core 2.0 Web APIDec 21, 2017. How to implement asynchronous messaging using ASP.NET Core Web API. Create an empty project and update the Startup class to add services and middleware for MVC.
  • Export SQL Result To A Text FileDec 18, 2017. This article gives an overview of how to export SQL query results to a text file.
  • Create First Project In VSTS And Clone It Using Tortoise GITDec 18, 2017. In this article, we will learn how we can create a new project in VSTS. Also, we will learn how we can clone that project in our windows system. Once the project has been cloned we will push our files to a VSTS. At last we will talk about Dashboards in VSTS.
  • 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.
  • Generate Thumbnail From Live URL Of Microsoft Office And PDF file in ASP.NET MVCDec 13, 2017. Recently, I got a chance to create thumbnail images from the live URL. The URLs were not of images but of some DOCX file, some XLSX file, or PDF file. We don’t have any custom library which can directly generate the thumbnail from a live URL. So, here, we will learn how we can customize our code to generate the thumbnail in .NET.
  • 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.
  • Xamarin.Forms - Working With Files Using DependencyServiceDec 13, 2017. In this article, you will learn how to create a file using Dependency Service in Xamarin.Forms.
  • 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.
  • Aspect Oriented Programming In C# Using DispatchProxyDec 06, 2017. Example of implementing logging using Aspect Oriented approach with DispatchProxy class.
  • Accessing Azure Key Vaults Using Certification Dec 05, 2017. In the old days, we used to access the Azure Key Vaults using Vault URL and its Secret Key, we were placing this in config file and going from there.
  • Display Sub Directories And Files In TreeViewDec 05, 2017. Display Sub Directories and Files in Treeview, Tooltip in Treeview Nodes, Loading Files in Treeview, Display image icon in TreeNode.
  • Work With External AppSetting Of Web.ConfigDec 01, 2017. In this article, you will learn about .NET Configuration Files
  • Mounting Azure File Share With WindowsNov 30, 2017. This article shows how to create an Azure Storage account
  • Routing In Suave.io - Web Development With F#Nov 29, 2017. A web application is generally composed of multiple “routes”. A route means a URL that does not necessarily map a physical file, you can use routes to define some URLs that are semantically meaningful to the user.
  • 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.
  • Saving Your Ruby On Rails Application Code To Github.comNov 28, 2017. In this article you will learn git configuration in git bash and git hub repository creation, add new ssh key in git hub and finally add all application files into git hub repository via remotely using with git bash for Ruby on Rails application version controlling.
  • Progress Bar Android App Using Android StudioNov 28, 2017. In this article, I will show you how to create a Progress bar android App using Android studio. We can display the Android progress bar dialog box to display the status of work being done e.g. downloading file, analyzing status of work etc.
  • Convert XML File To Excel FileNov 27, 2017. Here, we are going to learn to read XML files in C# WindowsForm applications. We are going to make a small single-form application which takes an XML file from the user and convert XML Data to Excel Data and Returns an Excel File.
  • Configuring Log4Net With Database - A Tutorial For BeginnersNov 26, 2017. Log4Net is a framework for logging .NET applications. It is an open source library that can be used to log output for different targets like logging output in Text files, Database, Console, Mail (SMTP), Remote and others. In this article, I will explain how to log output in a database.
  • Transform Web.Config File While Deploying The Web Application ProjectNov 25, 2017. One of the nice features that supports Visual Studio 2010 and above versions is Web.Config (XDT) transformations.
  • 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.
  • Copying A File In Node.js v8.5Nov 22, 2017. In this article, I will explain how to copy a file using the brand new Node.js version 8.5.
  • ASP.NET Core 2.0 Secret ManagerNov 22, 2017. I discussed in the previous post how configuration settings can be stored in configuration files. However, these files are checked in the source control and not suitable to store confidential settings. In a production environment these settings can be stored in environment variables or Azure Key Vault however, for development ASP.NET Core provides an alternate solution: Secret Manager.
  • Uploading, Validating, And Storing A File Into Database Using EF In ASP.NET MVC5Nov 20, 2017. Here, you will learn how to upload a file, validate a file and store a file into database using JQuery, Entity Framework in ASP.NET MVC5
  • How to Return Files From Web APINov 18, 2017. This article explains how to transfer/ return files(PDF/Doc/Excel/zip) files from Web API service
  • 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#.
  • 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.
  • Creating Azure WebJob To Access SharePoint Using Typescript And Node.jsNov 14, 2017. Create a new folder in the solution by the name 'src' and create index.ts file inside the folder. In this folder we will keep all the source files which will get executed when the Job runs. Remember to keep the index.ts at the root of the src and all other files (if any) keep them in the folder otherwise the job will fail.
  • 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.
  • Upload/ Download Files In ASP.NET Core 2.0Nov 10, 2017. ASP.NET Core MVC model binding provides IFormFile interface to upload one or more files. The HTML form must have encoding type set to multipart/form-data and an input element with type attribute set to file.
  • How To Extract All Images From An Existing PowerPoint PresentationNov 09, 2017. This article will give you the steps to save all the images from a PowerPoint presentation file.
  • Angular 5 Basics And Quickstart With CLINov 09, 2017. Imagine what it would be to manually add the configuration files required to bootstrap an Angular 4 application. It is painful, right? For beginners, it might become tedious to declare all these files and manually configure all these files to bootstrap the app. It wouldn't be a good idea to set up the configuration things rather than focus on the framework and its usage. Even for the advanced developer, it might not be a great way to do all these things manually. So, Angular CLI is the solution here
  • If The Boot Configuration Data For Your PC Is Missing Or Contains ErrorsNov 06, 2017. The Boot Configuration Data (BCD) is a firmware-independent database for boot-time configuration data. It is used as new Windows Boot Manager. It replaces the "boot.ini" file that was used in the old Operating System. For more details check Windows startup process.
  • Power BI And Excel File As Data SourceNov 06, 2017. Though we have several options for data sources to connect with Power BI in this blog, I am going to write about how we can use Excel data with Power BI and how to refresh the report when Excel data is changed.
  • 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.
  • 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.
  • 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.
  • ASP.NET Core 2.0 MVC RazorOct 31, 2017. ASP.NET Core MVC middleware will find and execute the Razor template (.cshtml file) when the Controller returns ViewResult. Razor templates use syntax that combine C# and HTML to produce the final HTML page.
  • 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.
  • 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.
  • 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.
  • Office 365 Public CDN OverviewOct 27, 2017. Microsoft has recently announced (over a months’ time ago now as I am writing this article) availability of Office 365 Public Content Delivery Network (CDN). This gives us the good option to host the static content such as JavaScript files, CSS, images, documents in CDN. The files in CDN will help better performance with SharePoint pages.
  • How To Read CSV File In ASP.NET With Example C# and VB.NETOct 26, 2017. In this articleI'll explain a way to upload, read/browse and show CSV file (Text File) information in ASP.Net GridView using C# and VB.Net.
  • Creating A Comment Box Using Angular 1.0.7Oct 25, 2017. AngularJS is a JavaScript framework. It is a library written in JavaScript. AngularJS is distributed as a JavaScript file, and can be added to a web page with a script tag.
  • Setting Or Retrieving Geotag In Media File In UWP With XAML And C#Oct 25, 2017. Reading this article, you can learn how to set or retrieve Geotagging in Media File in Universal Windows Apps development with XAML and Visual C#.
  • 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.
  • Generate PDF From An HTML Page Using AngularOct 24, 2017. In this article, I am going to explain how to generate PDF file from an HTML page using AngularJS in SharePoint. This is the effortless way to port the SharePoint list data or any other list data to carry, print, and make a hard copy.
  • An Easy Way To Encode And Decode File In ASP.NETOct 13, 2017. In this article, I’ll explain a way to encode and decode a file in ASP.NET using C# and VB.NET with example.
  • Read Excel File In C# WinFormOct 13, 2017. Here we are going to learn to read Excel files in C# windows form applications.
  • 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.
  • How To Send Notification Via SMS When Dropbox Is Modified With Microsoft FlowOct 12, 2017. This article helps you to learn how to notify someone via SMS when a Dropbox file is modified through Microsoft Flow.
  • 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.
  • 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.
  • Excel To XML Using LINQOct 11, 2017. In this article we will show you the easiest way to convert Excel data into Xml files. There is a certain way to convert Excel file to Xml, for example using Excel Library (Com Component)
  • Shared Storage Using Azure File ServiceOct 10, 2017. In most cases, the virtual disks we are creating for an Azure VM are connected to that particular VM with a 1:1 relationship which can’t be accessed by another VM at the same time. In case you need a shared storage by multiple VMs you should use Azure File Shares. Azure File shares can be mounted concurrently by cloud or on-premises deployments of Windows, Linux, and macOS. This is mostly used in case of any requirement of something like a shared application setting or if you need to share any tools or utilities between developers and administrators.
  • What Is Version Control And Why You Should Use ItOct 09, 2017. In this article, we will learn what Version Control is, and what are the benefits of version control. Version Control means keeping the copies of your code or files from every stage in its lifecycle. Version control system allows us to manage all versions of our code with representing single version at a time.
  • 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.
  • Upload Multiple Files To SharePoint List On Single Click Using Angular And jQueryOct 07, 2017. This article explains how to upload more than one files into a SharePoint list on just single click using Angular and jQuery.
  • 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.
  • SharePoint OnPremises - Client Side File Upload Control And Uploading File In SharePoint Using Rest APIOct 06, 2017. In one of our SharePoint OnPremises projects, we have requirement to upload the user’s photo, his profile image in SharePoint Image library (PublishingImages). So we have implemented this feature using JavaScript and upload image in SharePoint Image library using rest API.
  • How To Connect OneDrive To Google Drive With Microsoft FlowOct 05, 2017. This article helps you to learn how to create a Flow between the OneDrive files and Google Drive files.
  • How To Log Messages (Information, Errors, Warnings) In ASP.NET CoreOct 04, 2017. Framework provides logging capability through ILoggerFactory, to which you could attach one or more providers. Providers act on the logged data in some form i.e., log it to file, database, Azure etc.
  • Create Power BI Report Using Twitter AnalyticsOct 04, 2017. In this article, we will learn how we can use Twitter analytics data and prepare Power BI Report. We can export Twitter analytics data in .csv format and consume that .csv file to prepare a Power BI report.
  • Manifest File In Progressive Web AppOct 01, 2017. In this article we will learn what the purpose of manifest.json file in a Progressive Web Application is.
  • Convert HTML Files To DOCX Files With MariGold.OpenXHTMLSep 30, 2017. This tutorial explains how to create an HTML to DOCX converter with a C# windows application.
  • 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.
  • Hex File And ICSP Pins Of ArduinoSep 29, 2017. This article will provide you deep access to Arduino UNO. In this article we are going to see what are ICSP pins, AREF pins and .hex files. It is necessary to step ahead in each and every task we handle to survive in the current scenario.
  • 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.
  • Steps To Fix Project File Could Not Be Loaded Issue After Rename Project In ASP.NET MVCSep 29, 2017. I created one MVC application named "SatyaExportMVC". Then I will rename it Satyaprakash of Project name and Solution file name.
  • Creating A Wave Audio Player Using WinMM The APISep 28, 2017. This is the part two of my three part trilogy concerning the use of windows mixer controls, playing an existing wave file through some available speaker, or recording and saving a wave file from an available audio input device such as a microphone. You might be wondering about the order I am presenting these tutorials. Simple, ...when my father taught me to play pool, we would often come upon a scenario where there are multiple shots available.
  • 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.
  • Understanding And Controlling The Windows Mixer APISep 27, 2017. This tutorial is going to be a three part introduction to playing and recording audio files using winmm.dll (a WinAPI). This first part is about understanding, opening and controlling windows mixers. The other tutorials will be about recording and playing audio .wav files. We will not be working with .mp3 (you can see the documentation to understand those functions.)
  • Consume Local File System As A Data Source In Power BISep 27, 2017. We all know Power BI is a very good business intelligence tool. Sometimes there is a situation when we need to prepare report using file system. Power BI provides a connector to consume data from folder structure. We can get all files from a specific folder. But there is one limitation with this connector.
  • 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.

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