CSharp examples for Database:Connection
Connect to a Database using SqlConnection
using System;//ww w. j av a 2 s .c om using System.Data; using System.Data.SqlClient; using System.Data.OleDb; class MainClass { public static void Main() { // Create an empty SqlConnection object. using (SqlConnection con = new SqlConnection()) { // Configure the SqlConnection object's connection string. con.ConnectionString = @"Data Source=.\sqlexpress;" + // local SQL Server instance "Database=Northwind;" + // the sample Northwind DB "Integrated Security=SSPI"; // integrated Windows security // Open the database connection. con.Open(); // Display information about the connection. if (con.State == ConnectionState.Open) { Console.WriteLine("SqlConnection Information:"); Console.WriteLine(" Connection State = " + con.State); Console.WriteLine(" Connection String = " + con.ConnectionString); Console.WriteLine(" Database Source = " + con.DataSource); Console.WriteLine(" Database = " + con.Database); Console.WriteLine(" Server Version = " + con.ServerVersion); Console.WriteLine(" Workstation Id = " + con.WorkstationId); Console.WriteLine(" Timeout = " + con.ConnectionTimeout); Console.WriteLine(" Packet Size = " + con.PacketSize); } else { Console.WriteLine("SqlConnection failed to open."); Console.WriteLine(" Connection State = " + con.State); } // At the end of the using block Dispose() calls Close(). } } }