C# Corner

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  • Introducing Hadoop /Big Data For BeginnersDec 14, 2017. Companies like Facebook ,NASA, and Google have huge amount of data (can be hundreds of petabytes or exabytes). Each and every like, click, comment, review, update, search, call, visit, piece of financial and health information, transaction, photo upload etc., which is a very huge data set, gets stored somewhere(database).This data is called Big Data.
  • Create Your First Azure SQL Database Using Azure Portal Dec 14, 2017. In this article, we will talk about how we can create a new database in Azure SQL. We will learn each step in a brief manner. Most of the time when we are beginner in Azure we always have a question how we can create a database in Azure SQL. It’s very easy and simple.
  • Starting With Google Cloud Firestore Database With AngularDec 12, 2017. Cloud Firestore is a NoSql Document database built for automatic scaling, high performance, real time, and ease of application development.
  • Getting Started With CosmosDBDec 12, 2017. DocumentDB is a NoSQL database which is massively scalable and it works with schema free JSON documents.
  • Remove Duplicate Rows In SQL Server Using CTEDec 11, 2017. In this article, you will learn how to remove duplicate rows in SQL Server using CTE.
  • 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.
  • Roles And Responsibilities Of SQL Developer Dec 09, 2017. In this article, I have shared the Roles and Responsibilities of a SQL Developer.
  • How To Control SQL Injection In PHPDec 07, 2017. This is an interview question, when a person showcases himself as the FULL Stack developer, it is very important that the developer should have base knowledge on the security aspects of the applications.
  • Audit Made Easy Without Audit Log - Part OneDec 07, 2017. In Microsoft SQL Server, the activity of each of the database table is tracked in the other table and that is called the Audit trail or Audit log of the database table.
  • 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.
  • Object-Relational Mapper For SQLite3 In Node.jsDec 07, 2017. Node.js is getting more popular day by day and many frameworks and platforms are supporting Node.js for its high-performance web server development. In this post, you will learn the database development in Node.js with the popular ORM library; Sequelize.
  • Building An ASP.NET Core Application With Web API And Code First DevelopmentDec 05, 2017. In the previous article, we’ve learned the high-level overview of what Entity Framework is all about and learned how to build a web application quickly using Entity Framework’s Database-First development.
  • Dynamic Search In DataGridViewNov 30, 2017. This article will help you to understand the Dynamic Search method in DataGridView in C#.
  • A Beginner's Guide To Windows Server SetupNov 29, 2017. All developers must be familiar with how to interact with a server for various project requirements. This server interaction varies depends on the project requirements. Some of may be just connecting to an SQL Server database server through an application, some of you may be hosting your application to an IIS server.
  • Passing Data Between Components - Day TwoNov 29, 2017. We have seen that we can pass the data between the components using the @Input and @Output directives and using event emitters. Let’s see the other two methods - @View child and the services which can be used to pass the data between components.
  • 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.
  • View Product Details Using Kendo ScrollView In ASP.NET MVC5 With Entity FrameworkNov 29, 2017. Here, I will demonstrate how to work with Kendo ScrollView to View the product details from a database using Entity Framework in ASP.Net MVC5
  • Passing Data Between ComponentsNov 28, 2017. Article explains 2 Methods of communication between the components .
  • Generate Python Wrapper For C# Methods Using ReflectionNov 27, 2017. In this article, we will generate a Python wrapper around C# methods using reflection methods of .NET framework.
  • 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.
  • Pug Vs HTMLNov 26, 2017. In the holy wars of "Pug vs HTML", it is really confusing sometimes to realize which one of these to use. The same is true for SQL vs NoSQL, and the similar is true for Java vs Python. Then people think why not talk about Pug vs HTML as well. HTML is always the perfect language to consider, however for the case of Pug there might be a bit of confusion. Some developers don't know Pug, and some who know it, know it as a Jade framework.
  • How To Create A Stored Procedure In SQL Server Management StudioNov 25, 2017. In this article you will learn about how to create store procedure in sql server’s SQL SERVER MANAGEMENT STUDIO and very informative information and interview questions and answers about store procedure.
  • Implementing Field Mapping Using Xrm.WebApiNov 24, 2017. In this article, we are going to provide sample code for using Xrm.WebApi retrieve method.
  • Introduction To SSISNov 24, 2017. SSIS stands for SQL Server Integration Services. It is one of the services of SQL Server and was introduced for the first time in SQL Server 2005. It’s a powerful replacement for the legacy DTS (Data Transformation Services) that exists in SQL Server 2000.
  • Connecting R Software With Oracle DBNov 24, 2017. This article is about how to connect the R software with Oracle database so that the data can be brought inside R environment for analysis
  • Using Xrm.WebAPI In Dynamics 365/CRMNov 22, 2017. With the release of Dynamics 365 update 9.0, now we have a new library to implement WebApi methods using Xrm.WebApi. Instead of writing complete request, now we can just use direct CURD methods from WebApi.
  • Implement DropDown MultiSelect Using Kendo UI MultiSelect In ASP.NET MVC5Nov 21, 2017. In this article, I am going to explain how to bind the value to a dropdown from the database, how to implement drop-down multi-select, how to group the drop-down values, and how to implement Custom Template using Kendo UI MultiSelect in ASP.Net MVC5.
  • Use SQL Server 2017 in Docker ContainersNov 21, 2017. How to use SQL Server 2017 on Docker containers to automate deployment using VSTS
  • Xamarin.Android - Working With MongoDBNov 21, 2017. Today, I will show you how to create MongoDB and how to use MongoDB using Xamarin.Android.
  • Migrate From TFS To VSTSNov 21, 2017. Migrate from TFS to Team Services with the TFS Database Import Service.
  • Introduction To SQL Operations Studio And Connecting It With SQL ServerNov 20, 2017. Learn how to use SQL Operations Studio (preview) to connect to SQL Server, and then use Transact-SQL (T-SQL) statements.
  • Creating A SQL Database And SQL Server On The Azure PortalNov 20, 2017. This article shows how to create a SQL Database and Server on the Azure Portal and also the process of configuring the threat protection to our Database.
  • 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
  • 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#.
  • Auto Complete with ngTagInput using Web API in AngularJSNov 16, 2017. AutoComplete,ngTagInput,Web API,AngularJS,AutoComplete in AngularJS using Web API
  • Always Encrypted In SQL Server 2016 - Step By Step Guide - Part ThreeNov 15, 2017. This is part three of "Always Encrypted In SQL Server 2016 - Step By Step Guide" series. In this article, we are going to see how to search on encrypted column and how to deploy a certificate to a different environment.
  • 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.
  • 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 SQL Operations StudioNov 15, 2017. Learn and download SQL Operations Studio
  • SSMS 2016 - Enhanced ScrollbarNov 14, 2017. Detailed description with screenshots of the enhanced scroll bar introduced in SSMS (SQL Server Management Studio) 2016.
  • Building A Questionnaire Site With Node.jsNov 14, 2017. This was our first project with Node.js, and by God, it was a pain. Node.js is an excellent framework, with blazing fast speed, and an intuitive development framework. For those who are familiar with HTML, CSS and JavaScript, Node.js is one of the best alternatives to PHP, ASP.NET or other server-side scripting languages that require a language to be learnt. Node.js is light-weight, resilient and community-led and in-development framework. This article is primarily focused on teaching the beginners in Node.js development. You can expect to learn a few basics of Node.js setup, how to manage the databases in Node.js environment and a bit more (less too, maybe).
  • 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
  • DROP IF EXISTS In SQL Server 2016Nov 13, 2017. With this very small but handy tip, we’ll check the enhancement that has been made to DROP statement in SQL Server 2016. Earlier, we used to write additional checking logic to make sure that the object exists to drop. If we miss writing the check and if the object is not available, then we are being served with an error message. With SQL Server 2016, now we can check the existence of the respective object without any error being generated.
  • ASP.NET Core 2.0 MVC FiltersNov 13, 2017. Filter runs after an action method has been selected to execute. MVC provides built-in filters for things like authorization and caching. Custom filters are very useful to encapsulate reusable code that you want to run before or after action methods.
  • Server Side Custom Paging In Angular-UI Grid Using Web APINov 13, 2017. In this article, you will learn how to implement server side custom paging using Angular UI-Grid with Web API and SQL Server database and stored procedure. In this article, I will demonstrate server side paging and sorting only, Filtering we should learn in next article.
  • Get Your Hands On Entity Framework Code First Workflow With New Database And Existing DatabaseNov 10, 2017. In this article we are going to learn how to create code first workflow with new database and existing database.
  • Masking Sensitive Data With SQL Server 2016Nov 10, 2017. SQL Server 2016 has many features which you can use to make your data and application more secure, more maintained and easily retrieved as per your requirements. It has introduced both client side security such as Always Encrypted as well as server side security such as Data masking etc. In this post we’ll examine how Dynamic Data Masking can help secure our data.
  • Introduction Of New Useful Features In SSMS 2016Nov 10, 2017. This article is an effort to list out a few exciting improvements that have been made to SQL Server Management Studio 2016. I believe, most of these new features can help improve the speed of our work and are more convenient to use the SSMS.
  • Azure Data Factory - ETL Solution To Azure DB And To Azure SQL Data WarehouseNov 09, 2017. In this article we will learn how to use Azure Data Factory to Extract, Transform, Load (ETL) data especially for the data warehousing purposes.
  • Configuring SQL Server 2016 Express On LAN For C# Connection StringNov 08, 2017. In this article I will share my experience about configuring SQL Server 2016 Express on LAN for SQL connection using my C# application’s connection string
  • Step By Step Guide To Setup Sample SSAS Multi Dimension CubeNov 06, 2017. Create one Windows account and give full access to that account to read OLTP database or add an account on which SSAS Service is running and give full permission to that account for OLTP Database.
  • Debugging Tips - Part ThreeNov 06, 2017. While working on a complex code, we often come across situations where you need to debug lots of code to find/fix the issue(s). That also includes going through lots of methods (probably related or unrelated). .NetFramework provides a way to avoid unwanted "Step in" through the methods. Using DebuggerStepThrough (using System.Diagnostics) attribute, you can skip debugging of unwanted methods and reduce the debugging time to some extent.
  • Power BI On-Premises Server Installation And ConfigurationNov 06, 2017. On October 31, 2017 Microsoft released the latest version of Power BI report server, in this version on-premises reports can connect to different data sources (SQL Server, Oracle, SAP HANA ...Etc.). Users can also use direct Query option or import data option and create schedule to refresh the imported data. This article will give the step by step process to install and configure a Power BI on premises server.
  • 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.
  • 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.
  • SQL Server 2016 - How To Detect The Current Cumulative Update/Service Pack That Was InstalledNov 05, 2017. In this article, I will explain how to detect the current Cumulative Update / Service Pack installed on your SQL Server.
  • Create An Azure SQL Database Using PowerShellNov 03, 2017. A resource group is a logical container into which Azure resources are deployed and managed as a group. So let's create a resource group for that using New-AzureRmResourceGroup command.
  • How To Create A SQL Database In AzureNov 03, 2017. In this article you will see how to create an Azure SQL Database in the Azure portal. Azure SQL Database is a relational database-as-a-service which provides high performance, reliable and secure database used to build data-driven applications and websites.
  • Introduction To ASP.NET MVC Model BindingNov 02, 2017. Asp.NET MVC model binder allow you to map http request data with model. HttpRequest data means when user makes a request with form data from browser to controller at that time model binder works as middle man to map the incoming http request with controller action method.
  • Populating A ListView With Data Using Kendo Listview And Entity Framework In ASP.NET MVC 5Oct 31, 2017. Here, I am going to demonstrate how to load the data from a database to Kendo listview in ASP.Net MVC5.
  • Getting Started With Azure Cosmos DBOct 29, 2017. Azure Cosmos DB is a globally distributed database service designed to enable you to elastically and independently scale throughput and storage across any number of geographical regions with a comprehensive SLA. You can develop document, key/value, or graph databases with Cosmos DB using a series of popular APIs and programming models.
  • Cloud Databases In Azure - Part ThreeOct 24, 2017. This is the third article in the “Azure Cloud Databases” articles series, which is in continuation of the previous two articles.
  • Hosting Website With Filezilla To AzureOct 19, 2017. We can use the FTP client Filezilla for website hosting to Azure. And it is an FTP method. And sometimes we may face some errors in it. And the solution is also mentioned in this article.
  • How To Return A Pair Of Closest Birthdates Using API, Multi Threading And MVC 5 Using C#.NETOct 18, 2017. This article demonstrates how to use multi-threading to return the name of 2 customers who have the closest birthdate. I also include how create API to add\ retrieve customer details from SQL database using tasks and how to use MVC to call and API to add a new customer.
  • T-SQL - Display Decimal Numbers As MoneyOct 17, 2017. In this article, we will show how to display decimal numbers as money with and without cents
  • Cloud Databases In Azure - Part TwoOct 16, 2017. In the first article of this series, I explained about how to create SQL Database in Azure. I recommend you read the first article.
  • Power BI - Get Data From SharePoint List / LibraryOct 16, 2017. In this article, we will explore two methods to get data from SharePoint List / Library in Power BI.
  • C# 7.0 And C# 7.1 New Features - Part TwoOct 16, 2017. This article explains the new features of C# 7.0 & C#7.1. It covers new features like Discards, Pattern Matching, Generalized async return types, Async Main (Main Method returning Task), Infer Tuple Element Names, Default Literal Expressions & Type Inference and Pattern Matching with Generics.
  • Always Encrypted In SQL Server 2016 - Step By Step Guide - Part TwoOct 14, 2017. This is part two of "Always Encrypted In SQL Server 2016 - Step By Step Guide" series. In this article, we are going to see the sample queries on encrypted columns and Limitations of Always Encrypted feature. In case, if you have missed out the first part of the series.
  • Let's Move 'On-Prem' Data Warehouse To 'Azure SQL Data Warehouse' With Redgate Data Platform Studio (DPS)Oct 13, 2017. In this article we will learn how to migrate ‘On-Prem’ data warehouse to the Cloud, specifically Azure SQL Data warehouse. I will share the lessons learned and some do’s and don’ts from my experience that may be helpful.
  • User-Defined Types In SQL ServerOct 13, 2017. When we are working with any programming language, we create user defined types as per our requirement. It is a better idea to have this feature in the SQL server.
  • 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.
  • 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.
  • T-SQL - Retrieve Task Hierarchy In Project ServerOct 12, 2017. In this article, we will show how to get the Task Hierarchy for a Specific Project in Project Server Database using SQL
  • How To Use Fiddler With ASP.NET Web API TestingOct 11, 2017. If you are developer, tester or a manager, sometimes understanding the various methods of API can be a challenge when building and consuming the application.
  • Cloud Databases In Azure - Part OneOct 11, 2017. In my previous articles on Azure, I have explained about the IaaS features of Azure i.e. creating Virtual Machines, databases etc. In this article, we will see the Introduction of Cloud Databases i.e. PaaS side of Microsoft Azure.
  • Logging Exception in Database Using CustomFilter ExceptionOct 11, 2017. As per request from one of my followers I am writing this article, which will explain how we can handle Errors in an MVC application. In this article I am also going to explain how we can log our exception message in our Data Base.
  • 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.
  • How To Use DataList Control In ASP.NET With Example in C#Oct 08, 2017. In this article I’ll present a tutorial with an example, a way to use the DataList control in Asp.Net for the displaying of information/ records from the database with using SqlDataSource.
  • ASP.NET - Connect to MySQL Azure DatabaseOct 07, 2017. Using MVC, Entity Framework, ASP.NET Scaffolding, and Azure MySQL you can create a web application that stores your information on an MongoDB Azure database. This demo shows you how to create a web application with MVC and Entity Framework 7, that communicate with a MySQL Azure database.
  • How To Change/Switch The Database Dynamically In An ASP.NET MVC ApplicationOct 06, 2017. This is an example with code snippets to show how to switch or change the database (Connection string) dynamically while running a program in ASP.NET MVC 5 applications.
  • Always Encrypted In SQL Server 2016 - Step By Step Guide - Part OneOct 06, 2017. Lets say, we have a requirement to encrypt the PII data for an existing ASP.NET web application. Data needs to be encrypted at rest as well as on transit. Considering the existing PROD data, we need to identify an encryption approach that best suits the requirement. I'm going to share my experience in finding the encryption approach and implementing it on a sample database.
  • 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.
  • How To Use Postman With ASP.NET Core Web API TestingOct 04, 2017. If you are developer, tester, or a manager, sometimes understanding the various methods of API can be a challenge when building and consuming the application.
  • How To Secure PII Data In SQL Server Using CLE (Column Level Encryption)Oct 03, 2017. PII (personally identifiable information) which is used to identify individual identity such as SSN, DOB, Bank Account Number etc. When you are working with financial application you face the scenario where you have to store the data in encrypted format, so no one can see the actual data.
  • TextBox Validation Client Side And Server Side In ASP.NET WebFormOct 03, 2017. Validation is main thing to process the data. We store the textbox value into database table. Before moving to storing and storing data into database first we check the value of each textbox.
  • Read Data From Excel With Preview In ASP.NET MVC Using AngularOct 03, 2017. In this article we will see how to Read data from excel and show preview and after we can update to database with Asp.net Mvc using Angular.
  • ASP.NET Core 2.0 Error PagesSep 29, 2017. Starting from an empty project, created in a previous post, amend the Configure() method of Startup class to use middleware needed for error handling. Below I’ve used a custom middleware (defined as lambda) to handle production exceptions.
  • Create Value Object In C#Sep 28, 2017. Create a class that abstracts away (encapsulate) ‘data’ in your domain and provide methods to work on it. Below is a class I don’t consider a good Value Object.
  • WebGrid Custom Paging Links To Avoid Load On Server Using Stored Procedure And ASP.NET MVCSep 27, 2017. I will show you how to fetch the data dynamically from the database and bind to the WebGrid control, using the stored procedure in MVC 4.0. In this blog, today, I will show you how to write code in ASP.NET MVC for implementation of WebGrid Control using Static Data. In later sessions, I will show you the process of using GridView Dynamically, that means using SQL Server data source.
  • Azure NoSQL In ASP.NET Core 2.0Sep 26, 2017. The sample code will require you to set up an Azure account, NoSQL database and collection.
  • How To Use Swagger With ASP.NET Core Web APIsSep 24, 2017. If you are developer, tester or a manager, sometimes understanding the various methods of API can be a challenge when building and consuming the application.
  • How To Create To-Do CRUD Operation With ASP.NET MVC Core, Angular 4.0Sep 21, 2017. We want to create below single page application with CRUD operation, Add, Update and Remove functionality with in-memory TodoRepository Database.
  • How To Secure PII Data In SQL Server Using .NET AssemblySep 21, 2017. PII (Personally Identifiable Information) is used to identify individual identity markers such as SSN, DOB, Bank Account Number etc. When you are working with financial applications you face a scenario where you have to store the data in encrypted format, so no one can see the actual data.
  • How To Migrate Your On-Premises / Enterprise Data Warehouse Into Azure SQL Data WarehouseSep 21, 2017. I will share how you can start migrating your data into the Azure SQL Data Warehouse
  • 35 Essential Basic-Advanced SQL Query-Questions Asked In Technical InterviewsSep 19, 2017. These are all query-based questions asked in tech interviews, including some simple looking tricky one liner SQL statements and joins.
  • Encrypt And Decrypt User Password In SQL Server DB Using C# Winform ApplicationSep 18, 2017. In this article we are going to learn how to maintain the user login details in sql server table with password encryption format and decrypt the user password and validate the credentials in login form.
  • Create Log Backup Maintenance Plan In SQL Server 2016Sep 17, 2017. In this article, we will explain how to take log backups frequently by creating a Log Backup Maintenance Plan in SQL Server 2016
  • Convert Rows To Columns Using Dynamic Pivot In SQL ServerSep 17, 2017. In this article, we will show how to convert rows to columns using Dynamic Pivot in SQL Server.
  • Azure SQL Data Warehouse - Why Enterprises Should Now Consider It SeriouslySep 14, 2017. Today we will explore some of the reasons why enterprise should choose Azure SQL Data Warehouse.

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