C# Corner

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  • Retrieve Real-Time Data In Firebase Using Android StudioApr 20, 2018. Data retrieval is the process of identifying and extracting data from a database, based on a query provided by the user or application. It enables the fetching of data from a database in order to display it on a monitor and/or use within an application.
  • Creating Your First Project With DjangoApr 20, 2018. It's time to create our very first project in Django after setting up the environment.
  • Step-By-Step Demo Of Deploying Azure Resource Manager TemplatesApr 19, 2018. In this article, I am going to show you the step-by-step demo of how you can deploy an Azure Resource Manager template.
  • Logic Apps - Integrating LUIS Application With Logic Apps To Predict Intent In User UtterancesApr 18, 2018. Any business which transacts online, requires to provide some kind of chat support for the issues related to their business. This can be done by developing chat applications where the consumers directly chat with the agent of the business who then solve their problems. A new alternative to answer frequently asked questions is the use of the Chat Bot which is intelligent enough to understand the questions raised by the user and determine the solutions to them on the real time basis. Or in case of an administrator, if they are managing a lot of operative tasks or a lot of source code bases, then an intelligent bot is of great help.
  • Just Check ALL The BoxesApr 17, 2018. Today I ran into something on a client-server that unfortunately I see too often. The DBA goes through the trouble of configuring and setting up alerts/operators but doesn’t really understand what the options in the configurations mean. So, unfortunately, that means they take the CYA (cover your ass) approach and they check all of them. Now, not only have I seen this with alerts but also with things like security configurations as well. My advice is to always take a second and research what each option is before you check the little boxes, especially when it comes to security. Always follow the rule of less is more.
  • Angular 5 - Reactive Forms With Dynamic FormArray And Simple ValidationApr 17, 2018. I am sharing an article on how to dynamically display controls in <em>FormArray</em> using Angular 5 <em>Reactive Forms</em> and enabled/disabled the validators based on the selection.
  • Star Rating In Angular 5Apr 16, 2018. In this article, I am going to explain how can we create a Star Rating In Angular 5.
  • Real-Time Data Storage In Firebase Using Android StudioApr 09, 2018. This article demonstrates how to store real-time data in Firebase using Android Studio.
  • Learn About Xamarin.Forms PopupApr 08, 2018. I am here with a new post on (Rg.Plugins.Popup).
  • Dynamic Objects And Alternatives To ReflectionApr 08, 2018. The CodexMicroORM open source project on GitHub includes several features to help you create fast, concise .NET deliverables. One such feature is implemented in the Performance.cs file and enables dynamic (i.e. run-time) access to properties of any object – faster than what you’d get out of System.Reflection.Type. CodexMicroORM leverages this feature in several places, one being the ability to build composite objects: your existing “POCO” (plain-old C# objects), with additional optional extended properties.
  • Xamarin.Forms - ListView Header And Footer TemplateApr 02, 2018. In this article, you will learn Header Template List view in Xamarin. Forms Application. The Most of list view not have in Header templates. But if we are using more lists that time we can use this header template to display the content for Header template. So in this article we can Header , footer template and List View Items.
  • An Introduction To SEO (Search Engine Optimization) For DevelopersApr 02, 2018. How often do you visit a particular website? Or, for how long do you surf the internet? For most of us, the answer would be -- a number of times. You are not the only one browsing a website at a time. Apparently, the website you are browsing is not the only website either; there are billions. Today, every company has its own website and we are the people who engage with these websites and give birth to ‘web traffic’.
  • How To Create Temperature Gauge Using Micro - BitApr 02, 2018. In this article, I am going to write about how we can create a simple temperature gauge
  • Learn SharePoint In Series - Part Two - Web ApplicationApr 01, 2018. This article is the second part of Learn SharePoint in Series. You can read the first part here Learn SharePoint In Series-Part One-Introduction. In previous article I have described about the introduction of SharePoint and some basics of SharePoint such as history, choosing between SharePoint and Other technology. So in this article I am moving one more step ahead.
  • How To Read Temperature Using BBC Micro:Bit Mar 31, 2018. In this tutorial, I am going to write about how to read temperature using Micro:Bit.
  • Utilizing Azure Redis Cache As Backend For Chat AppMar 29, 2018. I have had some experiences trying to build a chat application—most of the time I failed, or I had some other important stuff to deal with. A few weeks back I wanted to check some services on Microsoft Azure, and Azure Redis Cache got my attention. As much as the name sounds crazy, the service itself is great, and runs on the Redis protocol.
  • MVC CRUD Operations Using Entity FrameworkMar 27, 2018. In this article I am going to talk about MVC CRUD Operations Using Entity Framework 6 without writing any code. First, you should learn about MVC and the basics of Entity Framework.
  • ASP.NET Core - Two Factor Authentication Using Google AuthenticatorMar 26, 2018. We will generate a QR code in our ASP.NET Core application and use it to configure Google Authenticator app in our smartphone which will generate a six-digit time-based one-time password (TOTP) to implement two-factor authentication in our web application.
  • Ref And Out KeyWords - Two Separated TwinsMar 26, 2018. In this article, I am going to explain the concepts of some useful keywords like Ref & Out parameters. These keywords are used along with the data to be passed to a function as parameter. Below I will explain a brief explanation about each of these keywords with an example.
  • VNet Peering With Step By Step DemoMar 25, 2018. In this article, I am going to explain what VNet peering is and how to establish it in Microsoft Azure.
  • Step-By-Step Demo Of Creating A VNet To VNet Connection In Microsoft AzureMar 23, 2018. In this article, I am going to show you how to create a VNet to VNet connection using Virtual Network Gateways.
  • Step-By-Step Demo Of Creating A Point-To-Site VPN ConnectionMar 22, 2018. In this article, I am going to show you the demo of how to establish a point to site VPN connection.
  • Angular @Output() DirectiveMar 22, 2018. In this article we are going to talk about how to send data from child component to parent component using the @Output() directive. For simplicity I am going to use the same code which I have used in my previous article and I will add some more code to explain output directive so in case you missed my previous article then I would recommend you to read that first.
  • Getting Started With Blockchain Using JavaScriptMar 21, 2018. Blockchain technology is one of the Top 5 Developer Trends of 2018 and opens many new opportunities for software developers. Check out Blockchain - An Unblocked Opportunity for Developers.
  • Step-By-Step Demo Of Creating Azure Virtual Network, Subnets And Network Security Groups - Part ThreeMar 21, 2018. In this article, I am going to show you how to create Azure Virtual Machines, Subnets and Network Security Groups.
  • Step-By-Step Demo Of Creating Azure Virtual Network, Subnets And Network Security Groups - Part TwoMar 20, 2018. In this article, I am going to show you how to create Azure Virtual Network, Subnets and Network Security Groups.
  • Keywords - Const, ReadOnly, And Static ReadOnly In C#Mar 20, 2018. In this article, I am going to explain about const, read-only, & static keywords in C#.
  • Step-By-Step Demo Of Creating Azure Virtual Network, Subnets And Network Security Groups - Part OneMar 19, 2018. In this article, I am going to show a step by step demo of how to create Azure Virtual Networks, Subnets and Network Security Groups.
  • Defensive Programming - Let Type Checking Work For YouMar 19, 2018. Since I have been a speaker and a teacher, I have always stressed the importance of practicing proper object-oriented programming (OOP) techniques. If you don’t practice OOP, no matter what language you are using, I guarantee you will end up with a “house of cards” and they all eventually fall.
  • Process Followed In Agile Scrum MethodologyMar 19, 2018. In this article, I am going to share with you the process followed in Agile methodology.
  • Time Picker In a 24 Hour Format In Xamarin.FormsMar 19, 2018. This article describes how we can set the 24 hour format for TimePicker Control.
  • Xamarin.Android - Chat Application Using Firebase - Part OneMar 19, 2018. Hello everyone, I am glad that you are here to learn some amazing stuff. In this episode, i shall show you how to make chat application with Firebase on Xamarin Android. This chat application is based on Firebase Auth and Firebase Database by using Xamarin.Firebase plugins.
  • Learn About SSMS Output WindowMar 17, 2018. In my experience, there have been occasions where SQL Server Management Studio (SSMS) becomes unresponsive for a length of time. In one particular case, this occurred while I was expanding the list of databases. SSMS just sat there and waited for some unknown reason and became frustrating. The client eventually did respond and life was good again.
  • Building Real Time Applications With Firebase Database And AngularMar 16, 2018. Firebase helps us make development faster, so we can skip the development part where we build API and database objects like stored procedure.
  • Cascading Dropdown List By Country, State And City Using MVC, Web API And AngularMar 14, 2018. Today, in this article, I will explain how to perform Cascading dropdown list using MVC, Web API, and AngularJs. Here I am using three tables respectively: Country, State and City.
  • Learn About Some Useful Angular CLI CommandsMar 14, 2018. In this article, I am going to discuss some useful Angular CLI commands.
  • No More Dreaded XHR! Fetch API Is HereMar 13, 2018. In this article, I am explaining about JavaScript Fetch API.
  • Leadership Challenge 006 - The Puzzle Of MotivationMar 13, 2018. I would like to extend my coaching services to this group. If you feel you could benefit from 1-on-1 coaching, would just like to discuss an idea or are struggling with a specific situation free to reach out to me at ltroilo@yahoo.com. I will be offering limited sessions for free for a limited time.
  • Working With Arrays In JavaScriptMar 09, 2018. Arrays are the collection of same data-types values or a collection of data items. In memory variable, we can store one value at a time but in arrays, we can store many values and retrieve as per index number of stored values.
  • Introduction To Serialization In .NETMar 08, 2018. In the modern era of computer science, serialization and deserialization is much important topic and gain worth with the passage of time. Since an ancient time, human being can communicate with each other and exchange the message in secure way, the message is convert in some special format and then send to the other person and keep the records which is changes with the passage of time. Now in this era, serialization comes before the communication layer which is using to convert one state of thing to another, when we done any operation on thing, “the terms operation referred as Serialization”.
  • Building Xamarin Mobile Application With Bing Web Search Using Cognitive ServicesMar 08, 2018. The Bing Web Search API provides an experience similar to Bing.com/Search by returning search results that Bing determines are relevant to the user's query. The API results include Web pages, images, videos, news, and entities, along with related search queries, spelling corrections, time zones, unit conversion, translations, and calculations. The web Search API uses JSON format for data exchange, and API Keys for authentication.
  • Is Quantum Computing Used In Time Traveling?Mar 07, 2018. In this article, I am going to explain the role of quantum computing in time traveling.
  • React Introduction - Day OneMar 07, 2018. I am going to write a series of articles on React. On the first day of learning, we are going to see the basics of React.
  • Five Easy Rules For Your Source Control RepositoryMar 04, 2018. I have been using source control programs for a very long time. I believe the first one was Visual Source Safe (don’t laugh, it was a painful experience). Early in my career and throughout I have learned many good practices that I still use to this day. I will share them with you now.
  • Learn MongoDB With Me - Part TwoMar 02, 2018. This is the second article of the series “Learn MongoDB with Me,” and if you haven’t read my previous post on this topic, I strongly recommend you find it here. This is a continuation of exploring the Mongo shells. We will be performing some commands on the Mongo shells. For easy reference I will try to add screenshots for each of the steps I am following. I hope it will help you to come along with me. Thanks for reading.
  • What Is Date Correlation Optimization?Feb 28, 2018. OK So, I am doing some digging and peaking around again in SQL Server and came across a database option called Date Correlation Optimization Enabled = False. Honestly, I had no clue what it did, so I took it as a learning opportunity to look into it and do a little research. Who knows, it may actual help me solve one of the many problems I run into day to day for clients.
  • Performance Check With MiniProfiler In ASP.NET MVCFeb 26, 2018. MiniProfiler is an open source profiling library which monitors the performance of a .NET application. It is very lightweight and fast. Using this, we can easily track a performance issue with our application. It was created by Stack Overflow Team member.
  • Introduction To ReturnType KeyFeb 25, 2018. Today, I would like to tell you about Entry Key ReturnType. How to change ReturnKeyType keys like Search, Done, Next etc. In this article I am using Xamarin Forms PORTABLE and XAML.
  • Introduction To Cloud Computing And Microsoft AzureFeb 25, 2018. In this article, I am going to write about cloud computing
  • Insert And Display Records With Model Binder Using ASP.NET MVCFeb 23, 2018. In this blog, I am going to explain how to insert and display records with Model Binder using ASP.NET and Entity Data Model (DB First Approach).
  • What Does This Little Check Box DoFeb 21, 2018. Ever wander around SQL Server properties and wonder what these little check boxes turn on? I do, and I get very tempted to check them. Here is one of those tempting little boxes that seems pretty handy. Use query governor to prevent long running queries.
  • It's Angular Demo TimeFeb 20, 2018. Here you will learn a few new features of Angular 2 and above versions with a small demo application.
  • VLFs - The Forgotten FoeFeb 19, 2018. How many of you check the amount of Virtual Log Files (VLFs) your transaction logs have?
  • Combine Multiple Observables Using combineLatest In Angular AppFeb 16, 2018. In this article, I am going to show you the benefits of using the combineLatest operator in an Angular application.
  • Why Am I Unable To Contact People In Other Organizations From Skype For Business?Feb 16, 2018. Most organizations have blocked users from contacting people in other other organizations due to some protocol within their company.
  • How To Get Started With Always Encrypted For Beginners - Part ThreeFeb 15, 2018. A few weeks ago, I wrote Part 1 and 2 of this series, which was a beginner’s guide to Always Encrypted. In part 3, I am going to go over what road blocks I ran into when trying to implement this solution for a client. The goal of the project was to prevent the DBA from being able to view salary information, while still allowing the application to function without issue.
  • What Is The Future Of Mobile CommunicationsFeb 15, 2018. Technology is ever-evolving and mobile communications is one of those areas that has evolved the most in the recent times. So, let’s see where it’s going to lead us next.
  • SQL Coding Best PracticesFeb 14, 2018. While executing your procedure, the system will first scan through all system procedures and then user defined procedures. This means that the procedure might take more time for execution thus decreasing system performance.
  • Pipes In Angular 5Feb 13, 2018. In this article we will be discussing Pipes in Angular 5. Pipes are the operators which is used to format data in Angular. This comes from the symbol (|) used to do this operation. Pipes are there in Angular from Angular2 onwards. But it has evolved over the period of time. There are many inbuilt pipes available in Angular 5 and it gives an easy template to create your own pipe using @angular/cli.
  • How To Get Started With Always Encrypted For Beginners - Part TwoFeb 12, 2018. In this post we will pick up where we left off in Part 1, if you haven’t read that please go back and do so. Now that we have encrypted our columns, it’s time to take a look at how we decrypt them inside SQL Server Management Studio or through our applications. You’ll be surprised to see how easy it is.
  • Creating An Azure Database For PostgreSQL ServerFeb 11, 2018. In this article, I am going to demonstrate how to create a database in Azure for the PostgreSQL server in the Azure Portal.
  • How To Sell Your CLOUD ServicesFeb 09, 2018. While responding to this question, keep in mind that you are requested to talk about additional benefits over and above the cloud services from your competition. For example at that time, the key difference which MS Azure services had was per minute billing as compared to other cloud providers. Then probably there were more functions and features available in the overall cloud dashboard as compared to others.
  • Leadership Challenge 005 - Coach To Win, Not To FixFeb 08, 2018. Hello my friends!!! I am starting to see success in my role helping drive adoption by leveraging the Modern Workplace. My hometown is going crazy over the Super Bowl win by our Philadelphia Eagles.
  • ASP.NET Request Life CycleFeb 08, 2018. In this article, I am trying to go through the various tasks and events involved in the ASP.NET request processing cycle.
  • How To Hide And Show Pages In Power BIFeb 08, 2018. In this article, we will check how we can hide and show the pages in Power BI.
  • Cursors In SQL ServerFeb 06, 2018. A cursor is a database object which is used to retrieve data from result sets one row at a time.The cursor can be used when the data needs to be updated row by row.
  • Automating SVN Check-Ins And Building A Project Via JenkinsFeb 05, 2018. A few weeks back, while sitting with my team, I learned that they run a Jenkins job which has to execute the automation scripts using the robot framework, daily around 1:00 a.m. The primary purpose of the job is to place all the necessary files and folders over the node machine of Jenkins (after copying them from the machine pointed as master on Jenkins), execute those scripts accordingly, generate the reports, and finally copy the output files back to the master machine to analyze the logs for the overall reporting and analysis purposes. This whole efficient job starts with a slack manual step which was enough to tag this activity 'not fully automated' because they had to place the updated work regularly on the specified path over the master machine before leaving the office (this includes taking the updated code, files, and automation scripts, building the project to take the DLLs etc.). This may sound tedious but more than that, there is no sense to do it manually.
  • Building A Simple Working Memory Game App With Web API And SignalRFeb 02, 2018. This article will walk you through how to build a simple data-driven mobile game application using the power of Xamarin and Web API. We will also build a real-time leader board page using ASP.NET SignalR.
  • CRUD In Excel File In C#Feb 02, 2018. In this article, I am going to explain how we can CREATE, UPDATE, DELETE and READ the records in Excel files.
  • Blob Security On Azure Storage - Part ThreeFeb 01, 2018. Shared Access Signature is shortly called as SAS, SAS is a URI that grants restricted access rights to Azure Storage resources, you can provide a SAS to clients who should not be trusted with your azure storage account key but whom you wish to delegate access to certain storage account resources. By distributing a shared access signature URI to these clients, you can grant them access to resource for a specific period time. The Service – Level SAS delegates access to a multiple storage services like blob, files, tables and queues.
  • Introduction To Serverless Computing Using Azure FunctionFeb 01, 2018. Serverless Computing is driven by performing some action as a response to the specific event or trigger. While building serverless apps you don’t need to provision a server or infrastructure. Billing is based on resources consumed or actual time code is running. There's no need to build app to run the code, no need to set up infrastructure, no need to setup deployment infrastructure. Just focus on code.
  • Basics Of Angular And Its Versions - Part SixFeb 01, 2018. In this article, I am going to discuss more about async/await support. This async/await feature officially announced in TypeScript 2.1. We can say this is one of the very import feature in TypeScript 2.1 release.
  • Azure WebApp - Rollback Your Deployment Using Deployment SlotJan 29, 2018. We generally find issues in our deployed application while it is in production. This is a really awkward situation in the development cycle. It is also painful for the customer. I am going to discuss the solution to this issue in this article.
  • Five Things To Do When You Join A New OrganizationJan 24, 2018. In this changing environment, everyone is changing their organizations frequently. But it is observed that some people are there who fits in to every organization they go and some are not able to fit in any of them. Over the period of time I have observed there are some of the common traits people show which helps them in fitting in anywhere they go. Sadly it’s not their knowledge, degree or their education.
  • An Overview Of Power BI Route Map VisualJan 24, 2018. Power BI Route Map Visual is used to define the track of travelling objects on a map. We can achieve this visualization by connecting data containing fields like date time, latitude and longitude of route, start and destination location and route sequence.
  • SharePoint Online Automation - O365 - Upload Your Files Remotely Using PowerShell To SPO Document LibraryJan 23, 2018. Continuing with SharePoint Online Automation, today, I am going to demonstrate “O365 SharePoint Online- How to Upload your files remotely using PowerShell to SPO document Library”.
  • Different Ways To Deploy A Website On AzureJan 23, 2018. I am here again with a new article. In this article, I am going to talk about the deployment of websites on Azure.
  • ASP.NET Core Apps In Docker SwarmJan 23, 2018. First, we need a few Virtual Machines to make a cluster of machines to run Docker on. I am using Windows 10 and will use Hyper-V for this purpose. If you’re using another OS then skip the first part of the tutorial where I setup VMs.
  • Checking Battery Status Using Xamarin.FormsJan 21, 2018. This article is about checking battery status in Xamarin.Forms.
  • Azure Storage - Creating A Container Using Visual StudioJan 20, 2018. This writing is a continuation of my previous one in which I have written in detail about Azure Storage, please spend some time on the previous article of mine.
  • Getting Started With Docker For Windows - Containerize a C# Console AppJan 19, 2018. I had some free time recently, so I wanted to go deep into docker (rather containerization).
  • 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.
  • Top Software Job Trends Of 2018Jan 18, 2018. There has never been a better time to be a software developer. The software industry is booming and believe it or not, there aren’t enough good software developers in the world. Salaries of software developers are still on the rise.
  • SharePoint Online Automation - Checking Site Quota For SharePoint Online TenantJan 16, 2018. Today, I am writing about SharePoint Online Automation script for checking the site quota.
  • Basics Of Angular And Its Versions - Part ThreeJan 16, 2018. In this article, I am going to explain more on one of the 8 main building blocks, that is, Services.
  • Azure Media - Implement Media Content EncryptionJan 15, 2018. I am writing this article on the encryption of a video using Azure Media Service.
  • Create Site Collection In SharePoint Online Using PowerShellJan 13, 2018. In my last article, I have demonstrated about how to create Site Collection in SharePoint Online Using GUI, today I am demonstrating “Create Site Collection in SharePoint Online Using PowerShell”.
  • Bind Menu And Sub Menu Dynamically In ASP.NET MVC From Database Using LINQJan 12, 2018. Many times we need to create a menu for a simple application. We ususally get stuck on how to bind the menu. Here in this article we you will learn how to bind menu and sub menu dynamically in ASP.NET MVC from database using linq.
  • SignalR Chat App With ASP.NET WebForm And BootStrap - Part ThreeJan 12, 2018. In a previous article we have learned how to create a real-time chat application using SignalR and Bootstrap. So far we learned creation of group chat, Creation of Private Chat, Title Bar Notification Alert system, Message Count and Clear Chat History. And now we are going to learn the most trending feature in Chat Application which is “Emoji” or “Smiley” which makes our application more interactive.
  • JavaScript - Date And Time Library Moment.JSJan 11, 2018. This article is about using client side date & time format & manipulation JavaScript library Moment.JS
  • Create Your First Bot Using Visual Studio 2017 - Step By Step GuideJan 11, 2018. Seeing how fast the companies are adopting the Bots, it is really the best time for you to start learning Bot framework and start adopting Bots for your business.
  • FormFlow In Microsoft Bot Framework - Part TwoJan 11, 2018. In this part, we will see some of the advanced stuff that we can use while using FormFlow in real time application while dealing with real business scenarios.
  • Co-Authoring In SharePoint And Why Check Out A Document Is Necessary In SharePointJan 10, 2018. In this article, I will discuss co-authoring in SharePoint & why we need to check out a document in SharePoint. SharePoint is the platform where multiple users can work on the same document at the same time.Co-authoring in SharePoint helps multiple users to access a document or edit a document simultaneously.
  • Pro Tips To Load Image From Image Assest Jan 05, 2018. In this article, we will see how we can categorize our images in our iOS project and load them more effectively without moving to Image Assets all time
  • Customize Slider Control In Xamarin.FormsJan 05, 2018. This article demonstrates how to create and use a Customize Slider control in Xamarin.Forms, XAML, and C#. This article starts with the introduction of the Customize Slider tag in XAML. After that, it demonstrates how to set BorderColor, BorderWidth, CornerRadius, and IsCurvedEnabled of a Custom Entry. In the end, the article discusses how to create a Slider at run-time.
  • 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.
  • Steps To Configure A VPNJan 04, 2018. In this article I am going to show you the steps to configure a VPN.
  • Azure PowerShell Login IssueJan 04, 2018. At times we face issues while logging in to Azure PowerShell. There may be different types of error messages while logging in. This article explains about the resolution of the error message “The PowerShell session has not been properly initialized. Please import the module and try again."
  • FILESTREAM Feature In SQL ServerJan 04, 2018. Today I am explaining what FILESTREAM is and how to use FILESTREAM in SQL server.
  • Using Global Constant Like A ProJan 03, 2018. In our code, most of the time we use constants (Ex: cell Identifier, some static text, maybe certain height). It’s good practice to use constants instead of variables whenever possible.

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