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using System; using System.Data;            // Use ADO.NET namespace using System.Data.SqlClient;  // Use SQL Server data provider namespace using System.Collections.Generic; using System.Text; class Program {     static void Main(string[] args) {         SqlConnection thisConnection = new SqlConnection(@"Server=(local)\sqlexpress;Integrated Security=True;" +             "Database=northwind");         thisConnection.Open();         SqlDataAdapter thisAdapter = new SqlDataAdapter("SELECT CustomerID from Customers", thisConnection);         SqlCommandBuilder thisBuilder = new SqlCommandBuilder(thisAdapter);         Console.WriteLine("SQL SELECT Command is:\n{0}\n", thisAdapter.SelectCommand.CommandText);         SqlCommand updateCommand = thisBuilder.GetUpdateCommand();         Console.WriteLine("SQL UPDATE Command is:\n{0}\n",updateCommand.CommandText);         SqlCommand insertCommand = thisBuilder.GetInsertCommand();         Console.WriteLine("SQL INSERT Command is:\n{0}\n", insertCommand.CommandText);         SqlCommand deleteCommand = thisBuilder.GetDeleteCommand();         Console.WriteLine("SQL DELETE Command is:\n{0}",deleteCommand.CommandText);         thisConnection.Close();     } }