How do I connect to a SQL database from C#?

Question

I am trying to write a local program management and install system for my home network, and I think I\'ve got the technologies nailed down:

• C#/.NET/WPF for the

Answer 1

SqlConnection

object is made for this.

Eg:

SqlConnection conn = new SqlConnection(
    "Data Source=(local);Initial Catalog=Northwind;Integrated Security=SSPI"); 

or

SqlConnection conn = new SqlConnection(
"Data Source=DatabaseServer; Initial Catalog=Northwind; User ID=YourUserID; Password=YourPassword");

conn.Open(); // opens the database connection

Edit:

After doing all your stuff you have to close the connection by

conn.Close();

Data Source: Identifies the server. Could be local machine, machine domain name, or IP Address.

Initial Catalog: Database name.

Integrated Security: Set to SSPI to make connection with user's Windows login

User ID: Name of user configured in SQL Server.

Password: Password matching SQL Server User ID.