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.
  • Nodemon In Node.JsApr 20, 2018. Nodemon in node js is a utility to reload your page when any changes are found in your Javascript code.
  • Quick Way To Add Dynamics 365 Portal User In Dev EnvironmentApr 18, 2018. Let’s say you are working on Dynamics 365 portal dev environment and you want to quickly add your demo users. You can following below instruction to add users without invitation.
  • 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.
  • Trigger A Microsoft Flow With A Button Click On SharePoint OnlineApr 18, 2018. Microsoft Flow is a cloud-based software tool that allows users to create and automate workflows across multiple applications and services without the need for a developer’s help and is part of the Office 365 suite. It is included in most of Office 365 subscriptions and can be accessed via Office 365 app launcher. Automated workflows are called flows and its most common usage is to trigger notifications, synchronize files & collect data. The focus of this article is to highlight how to trigger a Microsoft flow on a button click event within SharePoint Online.
  • Writing Distributable .NET Application With x2netApr 18, 2018. Writing distributed applications, especially deployed across a network, tends to be a challenge, not only due to the trickiness of network programming but more so because your code, business logic messed up with communication details, is probably not flexible, hard to reuse and test in isolation.
  • Delete Item Versions In SharePoint ProgrammaticallyApr 17, 2018. Versioning in SharePoint is an awesome feature that lets users create versions of their documents. However, when left unchecked, especially when the below category of “Document Version History” is selected – an end user will be able to create practically an indefinite number of versions. This is not a recommended best practice, and may end up using a huge amount of storage over the years.
  • Using Azure Redis Cache On Your .NET Core Application - Part TwoApr 16, 2018. In this article, we will see how to use Azure Redis cache to cache your data and provide a faster way of loading the web pages to the users.
  • Forget JavaScript, Try C# Instead For Client Side Application Development - BlazorApr 16, 2018. Blazor lets you use all your C# knowledge to Apply in Client Side development. Blazor replaces Javascript Code with C#. Essentially, it means that rather than writing the Client side code in Angular, React, Vue using Javascript, Typescript you can use C# and Razor. Does that sound like a dream.
  • What Is Microsoft Graph SDK?Apr 16, 2018. This article is a quick overview of MS Graph SDK. Using MS Graph SDK, you can easily write code which calls MS Graph APIs to interact with Office 365 data.
  • Track User Interest In SharePointApr 16, 2018. This article is mainly targeted to the SharePoint Online environment, but is valid for most of the OnPremise versions of SharePoint (2013, 2016) too.
  • Audio Play Using SD Card Module And ArduinoApr 10, 2018. In this article, we will see how to play an audio using SD card Module and Arduino. We have to save the Audio in a .wav file and specifically command the Arduino to play the Audio at the specific digital pin. The volume of the Audio can also be adjusted in the coding as per the requirement.
  • Create Site Column In SharePoint From OOB And JSOMApr 09, 2018. In this article, I would like to share the steps to create site column and code to create the site column in SharePoint using JSOM. Most of us know how to create column in SharePoint list.
  • Friendly Errors In MVC 5Apr 09, 2018. In this article, I will be explaining 3 different ways to handle exceptions and display a friendly error page to your end user.
  • WCF And ListView Insert Update And Delete Rows In ASP.NETApr 09, 2018. In this article you will learn how to edit, update and delete in ListView. First drag and drop ListView. In ListView, next open Default.aspx source code. To make a column in Listview use <LayoutTemplate>. Here first I created a table name 'Product' in my database. It contains 5 columns: ProductId, ProductName,ProductLocation,ProductQuantity, and ProductPrice.
  • Google Smart Lock In AndroidApr 07, 2018. By integrating Smart Lock for Passwords into your Android app, you can automatically sign users in to your app using the credentials they have saved. Users can save both username-password credentials and federated identity provider credentials. Integrate Smart Lock for Passwords into your app by using the Credentials API to retrieve saved credentials on sign-in.
  • Console Application To Fetch SharePoint List Data Using REST API With CAML Query In C# Managed CodeApr 05, 2018. SharePoint 2013 has many restful APIs, to fetch data from lists. However, sometimes we need to use CAML query to filter out the data. SharePoint rest API has an option to pass CAML query as a data to API call. Below steps will help you to call a rest API with CAML query filtering.
  • ASP.NET Core 2.0 User Role Base Menu Management Using Dependency InjectionApr 03, 2018. In this article we will see in detail how to display role based dynamic menu after user logs in. For this we will create a Menu Master table and insert few records to display the menu and URL to menu based on logged in user role.
  • Local Authentication Using Node.jsApr 02, 2018. Authentication means validating your credentials like username and password to confirm your identity. The system or application confirms that you are the true user for accessing the private or confidential data. Authorization is a process of verifying that you have access to do something.
  • Basics Of Node.js ModulesApr 02, 2018. Nowadays, Most of the web developers are working with new technology like Angular, React, Vuejs a frontend and Express.Js, Meteor web framework or SharePoint Framework of the JavaScript. But every developer face issue to understand the pattern of writing the code or we can say the ecosystem used in the packages\libraries.
  • Indexing In-Memory Collections For Blazing Fast AccessApr 01, 2018. The CodexMicroORM open source project on GitHub hosts a few useful .NET goodies that can help you write concise code with great performance. In this article I’ll cover a collection type that supports multi-property indexing and as such, performs very well with equality lookups.
  • Latest Trends For Android And iOS Application Development In 2018Mar 30, 2018. App development is not an easy game today. With tremendous of diversifying apps, it is more than important to come up with an app that gets noticed. Apart from getting noticed, the app should be appreciated by the users as well. Therefore, the apps developed should be of the recent trends available in the market. Monotonous apps are the first ones to get ruled out of the industry or being replaced by the competitor's apps.
  • Flutter With Android Studio Step By Step Installation GuideMar 29, 2018. In this article, we will set up a Flutter development environment in Android Studio and execute the default code generated by the New Flutter Project template.
  • C# 6.0 Features In Visual Studio 2015Mar 28, 2018. C-Sharp introduce no big concepts but many small features that makes you keep cleaning your code, get rid of boilerplate and let you stand up more clearly.
  • Play Video In Angular Using Ignite UI Video PlayerMar 27, 2018. The Ignite UI Video Player is an HTML 5 Video Player which renders video on a web page with a robust, cross-browser user interface. It support H264/AVC video, Ogg/Theora video, and WebM video formats.
  • 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.
  • Implementing Guard In Angular 5 AppMar 27, 2018. In this post, we are going to implement Guard, which helps us to restrict users to access some pages if they haven’t logged in to our application, in Angular 5.
  • 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.
  • Code First Migration - ASP.NET MVC 5 With Entity Framework And MySQLMar 26, 2018. In this article, we are going to explain Code First Migration in ASP.NET MVC 5 with EntityFrameWork & MySql.
  • Separation Of Concern And Data Access From Within CodeMar 24, 2018. In this article, you will learn the separation of concern and data access from within code.
  • Use Of CallerMemberName With INotifyPropertyChanged Interface In WPF MVVMMar 22, 2018. In this article, you will learn about the use of CallerMemberName With INotifyPropertyChanged Interface in WPF MVVM.
  • Data Governance Using Labels In Office 365Mar 22, 2018. Many organizations have started using Office 365 for their business purpose. With this now we have many documents being stored all across Office 365. With this, organizations are looking for implementing the governance around their data. The documents should be classified and governance should be carried over as per the classification. Performing all these things manually is next to impossible, as the document can be anywhere in Office 365 and can be uploaded by any user.
  • Circle Image In Xamarin.Forms Using CustomRendererMar 22, 2018. Circular images in apps are nowadays very popular in app development. Most of the applications we need to make user profile as circle image e.t.c. So in this article, we can learn how to make Image circle using CustomRenderer.
  • Creating A Blockchain In JavaScriptMar 22, 2018. In the previous article, Getting Started With Blockchain Using JavaScript, you learned how blockchain works. Now, the next step is to write some blockchain code and write our first application. In this video series, you will learn how to build a simple blockchain application using JavaScript.
  • 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.
  • Use INotifyPropertyChanged Interface In WPF MVVMMar 20, 2018. INotifyPropertyChanged is an interface member in System.ComponentModel Namespace. This interface is used to notify the Control that property value has changed.
  • 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.
  • CSS Class Binding In Angular 5Mar 19, 2018. We use css classes to give a good look and feel to our applications. It is very important to add or remove css classes on runtime to maintain a high user experience in the application. It is a very common thing for any front end developer to do so in JavaScript or Jquery.
  • Using Azure Redis Cache On Your .NET Core Application - Part oneMar 18, 2018. In this article, we will see how to use Azure Redis cache to cache your data and provide a faster way of loading the web pages to the users
  • Getting User Properties From Office 365 Using Microsoft Graph APIMar 17, 2018. In this article, I have explained how to retrieve user properties from Office 365 using Microsoft Graph API
  • Getting Started With ASP.NET Core 2.0 Identity And Role ManagementMar 17, 2018. In this article, we will see in detail how to use ASP.NET Core Identity in MVC Application for creating user roles and displaying the menu depending on user roles.
  • Hide And Group Columns In SSRS Using A ParameterMar 16, 2018. Ever had users come to you and request another version of a report just to add another field and group data differently? Today, was such the day for me. I really don’t like having multiple versions of the same report out there. So, I got a little fancy with the current version of the report and added a parameter then used expressions to group the data differently and hide columns. For those new to SSRS I've embedded some links to MSDN to help you along the way.
  • Implementing Multiple Interfaces With The Same Method Signature In C#Mar 14, 2018. An interface in C# is a type which only defines a group of related functionalities and leaves the implementation of the functionalities to any class or struct which implements the interface. It helps a lot in implementing the SOLID principles and makes the application more decoupled.
  • Generating Client Certificate For P2SMar 13, 2018. In my previous article, I have explained about P2S VPN gateway “Azure Native Certificate Authentication” through Self Signed Root certificate. The Self Signed Root Certificate cannot be shared with the end users as it has more privileges. The Child Certificate can be exported from the Self Signed Root Certificate, and the Azure resources can be accessed through this certificate by the end users.
  • Four Rules Of Right When Running A QueryMar 13, 2018. Earlier this year, I participated in the Idera #sqlchat. This is a monthly chat meeting that is organized by Idera Software and hosted by a SQL Server community member. This one was hosted by Monica Rathbun (B|T) and her topic for the month was “SQL Server Bad Habits in Configurations, Security, and Code”. It was a fun and entertaining way to spend an hour over lunch. Plus it helps to get you engaged with the SQL Server community, which is never a bad thing.
  • Mapping Similar Objects In ASP.NET Core 2.0Mar 13, 2018. This article is about mapping similar objects of two different classes with reduced lines of code using ASP.NET Core Automapper.
  • 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.
  • Create Managed Paths In SharePoint 2013Mar 07, 2018. Managed paths are used to customize the URL of sites in order to make the URL more user-friendly and align them with your business requirements.
  • Tricks And Shortcuts To Use Visual Studio Like A Pro and Double Your Code SpeedMar 07, 2018. In this article I’m going to show you lots of tricks and shortcut keys in Visual Studio so you can write code faster.
  • Understanding Method Overriding And Virtual, Override And New Keywords In C#Mar 06, 2018. Use of inheritance and polymorphism has become an integral part of our life as a programmer. Inheritance provides a lot of benefits including code reusability, separation of concerns, cleaner code, extensibility etc.
  • Building Xamarin Mobile Application With Bing AutoSuggest Using Cognitive ServicesMar 05, 2018. The Bing Autosuggest API returns a list of suggested queries based on the user enters in the search box. The Bing Autosuggest API returns a list of suggested queries based on what the user enters in the search box. Also, it displays the suggestions in the search box's drop-down list. The suggested terms are based on suggested queries that other users have searched.
  • Learn About API Authorization In Node.jsMar 05, 2018. In this post, we are going to secure our NodeJS APIs with customized security token generated by the logged in users and HTTP actions.
  • Delete SharePoint List Items In Browser ConsoleMar 05, 2018. This article demonstrates how to delete SharePoint list items in browser console using REST API without writing any code in the SharePoint site. To delete list items just copy paste the code in the console window of the browser and then call the function by passing the List name whose items have to be deleted.
  • 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.
  • Transaction In MVC Using Entity FrameworkMar 01, 2018. This article explains how to use transaction in MVC using entity framework to save records in different tables
  • Execute SQL Server Stored Procedure With User Parameter In Power BIFeb 28, 2018. Sometimes there is a situation in which we need to get data by consuming SQL Server stored procedure. SQL Server stored procedure has parameters which we need to pass dynamically. Power BI provides a functionality to execute Stored Procedure using Managed Parameters. During this article we will talk about, • How to create Manage Parameter • How to pass manage parameter to a Stored Procedure • Invoke Query Result and load data to Power BI Desktop
  • Get The Current Logged In User Details In SharePoint 2013 Using SSOM, CSOM, REST API, JSOM And PowerShellFeb 27, 2018. In this article we will learn how to fetch the user details of the current logged in user in a SharePoint site. There are multiple approaches by which we can get the logged in details such as User ID, Login Name (Login ID) of the user and the Display Name of the user.
  • Xamarin.Android - Login With Gmail AuthenticationFeb 22, 2018. Gmail Login is an easy way for users to log in. It will automatically retrieve all the user information.
  • Using Azure Face API With ASP.NET MVCFeb 19, 2018. In this article, we are going to learn how to User Azure Face API with ASP.NET MVC in a step by step way.
  • How To Manage Externally Shared Contents In SharePoint OnlineFeb 18, 2018. Anonymous access to the SharePoint Online site has been removed for more than a year. Instead, Microsoft allows us to share the files or folders from SharePoint Online to external users. This configuration can be done in the Office 365 admin portal and SharePoint Online to enable or disable sharing.
  • 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.
  • Download User License Information For PowerApps And Microsoft FlowFeb 16, 2018. PowerApps is one of the services available in the Office 365 environment that enables us to create apps or forms for business and other uses without coding experience. We can connect against external data sources like SQL, SharePoint, Salesforce, etc... to develop an application. PowerApps has its own data source called Common Data Service.
  • Creating Comment Form Using React, Redux, Webpack, BabelFeb 16, 2018. In this article, we will create a simple comment form that displays a list of comments and allows the user to enter a new comment using React, Redux, Webpack, Babel. We will be using below Tools/libraries to build the application.
  • Building SPA Using AngularJSFeb 15, 2018. I have created SPA using Angular.js because I had requirement where user can update monthly activities corresponding to their respective villages. I named the application as Continuous Quality Improvement Tracker (CQI).
  • 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.
  • Build A Bot With Microsoft TeamsFeb 14, 2018. Bots are becoming more popular nowadays with their capability to interact with the end users and answer their queries. Bots can be easily setup within Microsoft Teams to help Microsoft Teams be more interactive with end users.
  • Moq - Unit Test In .NET Core App Using Mock ObjectFeb 14, 2018. The Unit test is a block of code that helps us in verifying the expected behavior of the other code in isolation; i.e., there is no dependency between the tests. This is good way to test the application code before it goes for quality assurance (QA). There are three different test frameworks for Unit Testing supported by ASP.NET Core: MSTest, XUnit, and NUnit. All Unit test frameworks, offer a similar end goal and help us to write unit tests that are simpler, easier and faster.
  • Simple Visual Analytics Using Logic AppsFeb 13, 2018. Logic apps are one such way to get started if you’re not familiar with coding and looking to work your way around to automate your application processing. Logic apps have various usabilities with simple action flow creation. Today we will be looking at Visual Analytics using Twitter and Power BI on Logic App.
  • Database Naming Standards For The ProgrammerFeb 09, 2018. Let us face it, in most companies that programmers work for, we end up doing database work. I do not agree with this since I think the DBA or BIA should handle database programming and we should stick to what we do best… coding. Would you want a DBA writing code? I think not. With that said, here are database naming standards that I use when in this situation. DBA’s might not agree with how database coders name databases; stored procedures etc. but we need something.
  • Unit Test In .NET Core Application Using NUnitFeb 08, 2018. There are three different test frameworks that are supported by ASP.NET Core for unit testing - MSTest, xUnit, and NUnit. These allow us to test our code in a consistent way. In this article, I will explain about the unit test using NUnit.
  • Introduction To LINQ With Entity Framework In Visual StudioFeb 08, 2018. LINQ queries are similar to SQL query created for developers to maintain standardized coding approach. It deals with the data objects therefore it is similar to OOPs.
  • WPF - File Menu User ControlFeb 08, 2018. This article is about the development of WPF File Menu User control.
  • Unit Test In .NET Core Application Using XUnitFeb 07, 2018. There are three different test frameworks for Unit Testing supported by ASP.NET Core: MSTest, xUnit, and NUnit; that allow us to test our code in a consistent way. In this article, I will explain about the xUnit framework. the XUnit is an open souce test framework and main focus of this framework are extensibility and flexibility. It follows more community focus to being expand.
  • 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.
  • 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.
  • ASP.NET Core 2.0 IdentityJan 30, 2018. In a previous post, I showed how to use cookie authentication middleware to protect your web application. ASP.NET Core also provides a richer set of services, called Identity, to work with user authentication and management scenarios. For instance, in addition to authentication and password hashing, it provides features for registering new users, creating forgot & reset password tokens and their validation, two-factor authentication and authentication using external providers.
  • Exception Handling In ASP.NET MVCJan 30, 2018. This default way of handling exception where we write our source code into the try bock and catch exception in catch block. However you can have multiple catch blocks for a try block. Even you can have Try –catch block inside Try block.
  • Adding/ Removing Users To Enterprise Applications In Azure Active DirectoryJan 29, 2018. In this article we will be looking into adding new users to Azure active directory and providing access to your enterprise applications without giving them access to your application's dedicated login information.
  • Continuous Integration Using TeamCity And Docker For ASP.NET CoreJan 29, 2018. Please read the previous posts before continuing with this one. I have discussed the basics of Docker and shown how to deploy simple and multiple applications using Docker. In this post, I will use the code from the first post and demonstrate the continuous integration with TeamCity.
  • Office Online Server For SharePoint 2016Jan 29, 2018. SharePoint portals are mainly used for document collaboration. End users add and manage documents in SharePoint. Viewing and editing the documents in a browser experience is a more preferred option for everyone rather than downloading a copy of document and working on it.
  • SharePoint 2013 - Add Top Navigation Link To A Site Using REST APIJan 29, 2018. In this article, we will look at how to add links to the Top Navigation Bar in a SharePoint site using REST API. I will demonstrate this by using a little jQuery and REST API to add a link to the Top Navigation which makes it a custom top navigation link since we are using some code to achieve it.
  • Xamarin iOS AlertJan 28, 2018. In this article, we will create a Xamarin iOS application. We will learn how to use UIAlert Controller in order to give messages to the user and ask what operations the user wants to proceed with. This application will contain three buttons, clicking on which will open an alert, which may be a simple alert, an alert with actions, or an alert action sheet.
  • Xamarin.Forms Tip - The Easiest Way To Convert A PCL Project Into .NET Standard ProjectJan 25, 2018. Microsoft updated the Xamarin.Forms project templates in VS 2017 to use .Net Standard instead of PCL for writing the shared code (including the Xamarin.Forms UI more details here) as NET Standard is the future of cross platform code sharing see this blog for more information on .Net Standard.
  • Dynamic Menu Generation With Web API And AngularJan 24, 2018. In this article, we are going to implement a dynamic menu with the help of ASP.NET Web API and Angular. We will create the login page that has two login type. Admin and User. Admin login will lead to some different menu items and User login will come up with different menu items.
  • View Customization With JavaScript In Dynamics 365Jan 24, 2018. You need to write a JS function with 2 parameters, when you’ll add it to view, first parameters will recieve rowData(value with metadata shown below for one cell) and userLCID(i.e. language code fof current user). Based on those 2 inputs you can decide what icon to show. And name of this function goes in Function Name: field in View’s property.
  • Performing CRUD Operations On Azure SQL Database Using SharePoint Framework Web Part And ASP.NET Web API - Part OneJan 24, 2018. Supposing there is an existing data in an SQL database, be it Azure or an on-premise database server, you are required to make the data available for CRUD operations in SharePoint for your users. This is a scenario where this article will be of help to you. In this article, I will show you how you can perform CRUD operations on Azure SQL database from a SharePoint web part. Note that the steps are same for on-premise SQL database except for the steps required in setting up Azure database.
  • Office 365 - Shared MailBoxesJan 22, 2018. Shared MailBoxes allow multiple users to view and send email messages from a common mailbox.
  • Sharing Data To Third-Party ServicesJan 20, 2018. The ActivityViewController is a controller that allows the current application user to share the data in the form of text, images etc easily between the current application and services. There are a number of services such as social networks, email, and sms that are provided by the operating system where we can share the data easily.
  • 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.
  • Upgrading Your Application In Azure Managed KubernetesJan 18, 2018. In the previous article, we deployed an ASP.NET Core 2.0 API app in AKS (Azure Managed Kubernetes). Now, let's quickly look into how to upgrade the application when there is a change in code. Please make sure you read the previous article to follow through this one.
  • Expression Bodied Members In C#Jan 18, 2018. What is Expression Bodied Members?1) Expression Bodied member is introduced in C#6.0 and enhanced in C#7.0. 2) Expression Bodied is a new technique or implementation to make code concise and readable. 3) Expression Bodied makes the type member(Constructor, Destructor, Methods, Property, Indexer) defined in a single expression. 4) Expression Bodied members can only be applied to the below list of type members: Constructor introduced in C#7.0 Destructor introduced in C#7.0 Property get accessor introduced in C#6.0 Property set accessor introduced in C#7.0 Methods introduced in C#6.0 Indexer introduced in C#7.0 The Syntax of expression body definition is:member => expression; where expression should be a valid expression and member can be any from above list of type members.Suppose we have a method or constructor that contain a single expression or line of code. Then In spite of using the traditional way to write code inside a method or constructor code block, we can write them as a single syntax. Those members who can follow this approach is known as Expression Bodied Members.
  • Custom Model Binding In ASP.NET Core 2.0Jan 17, 2018. In an earlier post I discussed how to prevent insecure object references by encrypting the internal references (e.g. table primary keys) using Data Protection API. To avoid duplication of code that encrypts/decrypts on every controller I used filters in that example. In this post I’ll use another complimentary technique: custom model binding.
  • CRUD Operation In MVC Using Elastic SearchJan 17, 2018. Elastic search is a search engine based on Lucene. It provides a distributed, multitenant-capable full-text search engine with an HTTP web interface and schema-free JSON documents. Elastic search is developed in Java and is released as open source under the terms of the Apache License.
  • Activity Indicator In Xamarin.iOSJan 17, 2018. In this article, we are going to create a simple xamarin.Ios application that will have the activity indicating some background task is going on. We will use activity indicator that will animate on the specific duration indicating some calculation, or functionality is executing on background. It lets the user know some background task is going on.
  • How To Control The Level Of Permissions On Your PowerApps While SharingJan 17, 2018. In this article, we will see how to give PowerApps access permission to other users.
  • XAML Progress Bar In Xamarin.FormsJan 17, 2018. Long running tasks in any application make the application or software non-responsive. So keep the user updated about the running task and also keep the application responsive during long running tasks.
  • Segmented Control In Xamarin.iOSJan 16, 2018. In this article, we are going to create a Xamarin iOS application that contains UI Segmented control that let the user select the value between the certain range of values. We will create a simple application that contains the set of values and a user can select values among the available values.
  • Identity Server 4 With ASP.NET Core 2.0Jan 16, 2018. OAuth 2 provides several flows or grant types for various use cases. I personally group them into two categories; flows that require user interaction with authorization server and flows that don’t.
  • Using CSP Header In ASP.NET Core 2.0Jan 15, 2018. Content Security Policy (CSP) is an additional level of security that could help prevent Cross Site Scripting (XSS) attacks. In these attacks malicious scripts are executed on user’s browser since browser doesn’t know whether the source of the script is trustworthy or not.
  • An Introduction To Q#Jan 15, 2018. In this article, I will be explaining about Q# - the new programming language introduced by Microsoft for quantum computing. We will understand the data type, expressions, and statements of Q# with the help of code snippets.

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