SqlConnectionStringBuilder的使用

SqlServer數據庫的登錄：

1）方式一：

			string connString = "server=localhost;uid=sa;pwd=sa；database=sampe_db";
            SqlConnection connection = new SqlConnection(connString);
            connection.Open();
            ......

2）方式二：

			SqlConnectionStringBuilder connBuilder = new SqlConnectionStringBuilder();
            connBuilder.DataSource = "(local)";
            connBuilder.IntegratedSecurity = true;
            connBuilder.InitialCatalog = "AdventureWorks";
            SqlConnection conn = new SqlConnection(connBuilder.ConnectionString);
            conn.Open();
            ......