.NET Interactive with SQL!| .NET Notebooks in Visual Studio Code

In our last post, we announced that you can create .NET Notebooks in Visual Studio Code. Today we are announcing that .NET Interactive now ships with T-SQL support in addition to C#, F#, PowerShell, JavaScript, and HTML.

The .NET Interactive team has collaborated with the Azure Data Studio team to bring SQL integration to .NET Notebooks. SQL notebooks combine the benefits of querying data with the rich visualization of notebooks.

#.net core #azure #c# #c++ #c #html

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.NET Interactive with SQL!| .NET Notebooks in Visual Studio Code
Cayla  Erdman

Cayla Erdman


Introduction to Structured Query Language SQL pdf

SQL stands for Structured Query Language. SQL is a scripting language expected to store, control, and inquiry information put away in social databases. The main manifestation of SQL showed up in 1974, when a gathering in IBM built up the principal model of a social database. The primary business social database was discharged by Relational Software later turning out to be Oracle.

Models for SQL exist. In any case, the SQL that can be utilized on every last one of the major RDBMS today is in various flavors. This is because of two reasons:

1. The SQL order standard is genuinely intricate, and it isn’t handy to actualize the whole standard.

2. Every database seller needs an approach to separate its item from others.

Right now, contrasts are noted where fitting.

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Einar  Hintz

Einar Hintz


jQuery Ajax CRUD in ASP.NET Core MVC with Modal Popup

In this article, we’ll discuss how to use jQuery Ajax for ASP.NET Core MVC CRUD Operations using Bootstrap Modal. With jQuery Ajax, we can make HTTP request to controller action methods without reloading the entire page, like a single page application.

To demonstrate CRUD operations – insert, update, delete and retrieve, the project will be dealing with details of a normal bank transaction. GitHub repository for this demo project : https://bit.ly/33KTJAu.

Sub-topics discussed :

  • Form design for insert and update operation.
  • Display forms in modal popup dialog.
  • Form post using jQuery Ajax.
  • Implement MVC CRUD operations with jQuery Ajax.
  • Loading spinner in .NET Core MVC.
  • Prevent direct access to MVC action method.

Create ASP.NET Core MVC Project

In Visual Studio 2019, Go to File > New > Project (Ctrl + Shift + N).

From new project window, Select Asp.Net Core Web Application_._

Image showing how to create ASP.NET Core Web API project in Visual Studio.

Once you provide the project name and location. Select Web Application(Model-View-Controller) and uncheck HTTPS Configuration. Above steps will create a brand new ASP.NET Core MVC project.

Showing project template selection for .NET Core MVC.

Setup a Database

Let’s create a database for this application using Entity Framework Core. For that we’ve to install corresponding NuGet Packages. Right click on project from solution explorer, select Manage NuGet Packages_,_ From browse tab, install following 3 packages.

Showing list of NuGet Packages for Entity Framework Core

Now let’s define DB model class file – /Models/TransactionModel.cs.

public class TransactionModel
    public int TransactionId { get; set; }

    [Column(TypeName ="nvarchar(12)")]
    [DisplayName("Account Number")]
    [Required(ErrorMessage ="This Field is required.")]
    [MaxLength(12,ErrorMessage ="Maximum 12 characters only")]
    public string AccountNumber { get; set; }

    [Column(TypeName ="nvarchar(100)")]
    [DisplayName("Beneficiary Name")]
    [Required(ErrorMessage = "This Field is required.")]
    public string BeneficiaryName { get; set; }

    [Column(TypeName ="nvarchar(100)")]
    [DisplayName("Bank Name")]
    [Required(ErrorMessage = "This Field is required.")]
    public string BankName { get; set; }

    [Column(TypeName ="nvarchar(11)")]
    [DisplayName("SWIFT Code")]
    [Required(ErrorMessage = "This Field is required.")]
    public string SWIFTCode { get; set; }

    [Required(ErrorMessage = "This Field is required.")]
    public int Amount { get; set; }

    [DisplayFormat(DataFormatString = "{0:MM/dd/yyyy}")]
    public DateTime Date { get; set; }


Here we’ve defined model properties for the transaction with proper validation. Now let’s define  DbContextclass for EF Core.

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Help us improve Visual Studio project tooling for .NET Core | .NET Blog

We’re currently planning our next set of investments in Visual Studio project tooling for .NET. This tooling, called a project system, sits at the heart of nearly every major action you perform when writing .NET code in Visual Studio.

What is the .NET project system?

The .NET project system is a set of components that power nearly everything you do in Visual Studio with .NET. It’s the “plumbing” that moves data to and from Solution Explorer, designer tooling, language services and IntelliSense, the debugger, build and publish actions, configuration, and more.

The .NET project system is also responsible for several UI experiences in Visual Studio. Solution Explorer, project property pages, the dependencies node, project files editing, various menus, and several tooling windows (such as the RESX and settings designers). It’s very broad in scope.

The .NET project system is also a significant player in various performance-related topics:

  • Time until Solution Explorer is ready for you to interact with
  • Time until you get full IntelliSense in C#/VB/F## files
  • Build times for your solution
  • Behavior of various parts of Visual Studio when branching with source control
  • and others

The team tracks metrics for these things with the goal to improve them over time.

How to help

As mentioned, we’re planning some things to do next. Things like quality and performance improvements are already on the table, and you can engage with the team on GitHub if you’d like to get involved more. If you have an idea for a new feature or enhancement, feel free to file an issue!

Additionally, we’d love it if you could take a minute and fill out a quick survey. It will help us prioritize certain areas of the .NET project system:

#.net #visual studio code #visual studio #code

COMO USAR e trabalhar com Code Review no Visual Studio Code

Não é todo programador que gosta de compartilhar o seu trabalho ou até mesmo receber feedbacks de como o seu código foi escrito, mas o Code Review é cada vez mais comum em empresas do mundo todo.

Conheça uma extensão para Visual Studio Code e comece a trabalhar com Code Review em seu próximo projeto. Essa é a sua chance de saber COMO USAR e trabalhar com Code Review no Visual Studio Code.

#visual studio code #code review #visual studio #code

Hertha  Mayer

Hertha Mayer


.NET CLI Templates in Visual Studio

One of the values of using tools for development is the productivity they provide in helping start projects, bootstrapping dependencies, etc. One way that we’ve seen developers and companies deliver these bootstrapping efforts is via templates. Templates serve as a useful tool to start projects and add items to existing projects for .NET developers.

Visual Studio has had templates for a long time and .NET Core’s command-line interface (CLI) has also had the ability to install templates and use them via dotnet new commands. However, if you were an author of a template and wanted to have it available in the CLI as well as Visual Studio you had to do extra work to enable the set of manifest files and installers to make them visible in both places. We’ve seen template authors navigate to ensuring one works better and that sometimes leaves the other without visibility. We wanted to change that.

Starting in Visual Studio 16.8 Preview 2 we’ve enabled a preview feature that you can turn on that enables all templates that are installed via CLI to now show as options in Visual Studio as well. To enable this option visit the Preview Features options in the Tools…Options menu and look for the “Show all .NET Core templates in the New Project dialog” (we’re awesome at naming) checkbox and check it:

Image of Preview Features dialog

After enabling you need to restart the Visual Studio instance to get this capability. After restarting and choosing to create a new project you’ll see some slight differences in the experience. The full list of templates is shown and the names are now being driven from the manifest data in the template’s template.json file.

Image of New Project Dialog with templates listed

Previously as an example we had a special dialog for ASP.NET projects. When the new experience is enabled, this no longer exists, and all project templates use the same infrastructure. This new model reads the options to be exposed to the dialog and renders the UI to enable the selection. Here is the example of an ASP.NET Core web application:

#.net #.net core #asp.net #visual studio #cli #visual studio