“Unlock the Secret to Seamless Database Integration with C# Visual Studio 2019!”


Being able to connect a database to a C# application is absolutely vital when it comes to creating software programs of any kind. This article aims to explain the process of connecting a SQL Server database to a C# application in Visual Studio 2019.

Step 1: Creating a SQL Database

Before you can connect a database to your C# application, it’s necessary to create a database in SQL Server Management Studio. Following the steps provided below:

  1. Open SQL Server Management Studio.
  2. Connect to the SQL Server instance.
  3. Right-click on the Databases folder and select New Database.
  4. Enter a name for the database and click OK.
  5. Once the database is created, expand the Tables folder, right-click on it, then select New Table.
  6. Enter the name of the table and click OK.
  7. Add columns to the table by entering the column name, data type, and other attributes.
  8. Once the table is created, click on the Save button to save the table.

Step 2: Creating a C# Application

Now that you’ve created a database, it’s time to create a C# application. Just follow these steps:

  1. Open Visual Studio 2019.
  2. Click on File and select New Project.
  3. Choose the C# console application template and enter a name for the project.
  4. Click on Create to create the project.

Step 3: Installing the SQL Server Package

In order to connect to a SQL Server database, you need to install the SQL Server package. Follow these steps:

  1. Right-click on the project and select Manage NuGet Packages.
  2. Search for the Microsoft.Data.SqlClient package and click on Install.
  3. Accept the license terms and click on Install.
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Step 4: Connecting to the Database

To connect to the database, you need to create a connection string which contains the necessary details to connect to the database. Follow these steps:

  1. Right-click on the project and select Properties.
  2. Click on the Settings tab and add a new connection string.
  3. Enter the server name, database name, and authentication details.
  4. Click on the Test Connection button to test the connection.
  5. Click on OK to close the settings window.

Step 5: Querying the Database

Now that you’re connected to the database, you can query it with SQL commands. Here are the steps:

  1. Create a SqlConnection object by passing the connection string as a parameter.
  2. Create a SqlCommand object by passing the SQL command and SqlConnection object as parameters.
  3. Open the SqlConnection object by calling the Open() method.
  4. Execute the SQL command by calling the ExecuteReader() method and store the result in a SqlDataReader object.
  5. Loop through the SqlDataReader object and display the result.
  6. Close the SqlDataReader, SqlConnection, and SqlCommand objects by calling their respective Close() methods.


Connecting a database to a C# application is essential, and it can be accomplished by following the steps outlined in this article. The Microsoft.Data.SqlClient package provides an easy-to-use interface to connect to a SQL Server database, and SQL commands can be executed to query the database. By implementing these steps, you can easily connect a database to a C# application in Visual Studio 2019.

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