Here you will find two code examples that show you how to connect to an MSSQL database with VB.NET or C#.

You will find the database connection details in IONOS by selecting Hosting, then Manage from the MSSQL Databases section.

VB.NET

The example shows the use of the connection object in ADO:

Set ConnHandle = Server.CreateObject("ADODB.Connection")
ConnHandle.Open "driver={SQL Server};
server=db12345678.hosting-data.io;
uid=dbo12345678;
pwd=your_password;
database=db12345678";

Note: Replace the sample data for server, uid, pwd and database with those of your database.

For more information about using the connection object, see the Microsoft Developer Network (msdn): How Do I Use the Connection Object in ADO?

C#

In this example, a DSN Less connection is established via the SqlConnection object:

SqlConnection makeSQLConn = new SqlConnection("Persist Security Info=False;
server=db12345678.hosting-data.io;
Initial Catalog=db12345678; User ID=dbo12345678;
Password=your_password");

For more information about using the SqlConnection class, see the Microsoft Developer Network (msdn): SqlConnection Class