--SQL SERVER生成测试环境:

Create database Test;
go
USE [Test]
GO if OBJECT_ID('Tab','U') is not null
drop table Tab
go
CREATE TABLE [dbo].[Tab](
[ID] [int] NOT NULL CONSTRAINT [PK_Tab] PRIMARY KEY CLUSTERED ,
[name] [sysname] NOT NULL
)

--打开Visual Studio—创建项目—选择【控制台应用程序】

#region Using Directives
using System;
using System.Data;
using System.Data.SqlClient;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
#endregion namespace TestShowSql
{
class Program
{
static void Main(string[] args)
{
SqlConnection thisConnection = new SqlConnection(@"Server=(Local);Integrated Security=True;Database=Test");
//thisConnection.Open();
SqlDataAdapter thisAdapter = new SqlDataAdapter("SELECT ID,NAME FROM TAB",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}\n",deleteCommand.CommandText);
thisConnection.Close();
Console.WriteLine("Program finished,Press Enter/Return to continue:");
Console.ReadLine();
}
}
}

--按F5运行结果: