Connection String
using System; using System.Data.SqlClient; class MainClass { public static void Main() { using (SqlConnection con = new SqlConnection()) { con.ConnectionString = @"Data Source = .\sqlexpress;" +// local SQL Server instance "Database = Northwind;" + // the sample Northwind DB "Integrated Security = SSPI;" + // integrated Windows security "Min Pool Size = 5;" + // configure minimum pool size "Max Pool Size = 15;" + // configure maximum pool size "Connection Reset = True;" + // reset connections each use "Connection Lifetime = 600"; // set max connection lifetime con.Open(); } using (SqlConnection con = new SqlConnection()) { con.ConnectionString = @"Data Source = .\sqlexpress;" +//local SQL Server instance "Database = Northwind;" + //the sample Northwind DB "Integrated Security = SSPI;" + //integrated Windows security "Pooling = False"; //specify nonpooled connection con.Open(); } } }