Connecting To A Database Macos App

14-05-2021
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After getting SQL Server and .NET Framework on your Windows machine, you can now proceed to create your new C# projects. Here we will explore two simple applications. One of them will perform basic Insert, Update, Delete, and Select operations, while the second one will make use of Entity Framework, a popular object relational mapping (ORM) framework for C# to execute the same operations.

Step 2.1 Create a C# app that connects to SQL Server and executes queries

Create a C# console application

  1. Launch Visual Studio Community
  2. Click File -> New -> Project
  3. In the New project dialog, click Windows located under Visual C# in the Templates node
  4. Click Console Application Visual C#
  5. Name the project “SqlServerSample”
  6. Click OK to create the project

Visual Studio creates a new C# Console Application project and opens the file Program.cs. Replace the contents of Program.cs by copying and pasting the code below into the file. Don’t forget to replace the username and password with your own. Save and close the file.

Press F5 to build and run the project.

Now replace the code in Program.cs by copying and pasting the code below into the file. This will create a database and a table, and will insert, update, delete, and read a few rows. Don’t forget to update the username and password with your own. Save and close the file.

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Press F5 to build and run your project.

You created your first C# + SQL Server app with .NET Framework on Windows! Check out the next section to create a C# app using an ORM!

Step 2.2 Create a C# app that connects to SQL Server using the Entity Framework ORM in .NET Framework

Create a C# console application

  1. Launch Visual Studio Community
  2. Click File -> New -> Project
  3. In the New project dialog, click Windows located under Visual C# in the Templates node
  4. Click Console Application Visual C#
  5. Name the project “SqlServerEFSample”
  6. Click OK to create the project

Visual Studio creates a new C# Console Application project and opens the file Program.cs.

Add Entity Framework dependencies to your project

  1. Open the Package Manager Console in Visual Studio with “Tools -> Nuget Package Manager -> Package Manager Console”
  2. Type: “Install-Package EntityFramework”
  3. Hit enter

Close the Package Manager Console. You have successfully added the required Entity Framework dependencies to your project. Mallforafrica app for pc.

For this sample, let’s create two tables. The first will hold data about “users” and the other will hold data about “tasks”.

Create User.cs:

  1. Click Project -> Add Class
  2. Type “User.cs” in the name field
  3. Click Add to add the new class to your project

Copy and paste the following code into the User.cs file. Save and close the file.

Create Task.cs:

  1. Click Project -> Add Class
  2. Type “Task.cs” in the name field
  3. Click Add to add the new class to your project

Copy and paste the following code into the Task.cs file. Save and close the file.

Connecting

Connecting To A Database Macos App Windows 10

Create EFSampleContext.cs:

  1. Click Project -> Add Class
  2. Type “EFSampleContext.cs” in the name field
  3. Click Add to add the new class to your project

Copy and paste the following code into the EFSampleContext.cs file. Save and close the file.

Replace the code in the Program.cs file in your by copying and pasting the code into the file. Don’t forget to update the username and password with your own. Save and close the file.

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Connecting To A Database Macos App Download

Press F5 to build and run the project.

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Macos App Store

Congratulations! You just created two C# apps! Check out the next section to learn about how you can make your C# apps faster with SQL Server’s Columnstore feature.