C#操作各种执行sql的方法含存储过程操作

using System;
using System.Collections.Generic;
using System.Text;
using System.Data.SqlClient;
using System.Xml;
using System.Data;
namespace MyDbTest
{
class Program
{
static void Main(string[] args)
{
SqlConnection thisConnection = new SqlConnection(
@"Data Source=localhost;Initial Catalog=CSGL;Persist Security Info=True;User ID=test;Password=test");
thisConnection.Open();
SqlCommand myCommand = new SqlCommand("P_Test", thisConnection);
myCommand.CommandType = CommandType.StoredProcedure;
//添加输入查询参数、赋予值
myCommand.Parameters.Add("@id", SqlDbType.Int);
myCommand.Parameters["@id"].Value = "120";
//添加输出参数
myCommand.Parameters.Add("@Rowcount", SqlDbType.Int);
myCommand.Parameters["@Rowcount"].Direction = ParameterDirection.Output;
myCommand.ExecuteNonQuery();
//得到存储过程输出参数
Console.WriteLine(" 存储过程的参数"+ myCommand.Parameters["@Rowcount"].Value.ToString());
thisConnection.Close();
Console.ReadLine();

//SqlCommand thisCommand = thisConnection.CreateCommand();
//thisCommand.CommandText = "select count(*) from stu";
////ExecuteScalar：执行只返回一个值的SQL命令。
//object countResult = thisCommand.ExecuteScalar();
//Console.WriteLine("Count of Customers={0}", countResult);
//thisConnection.Close();
//Console.ReadLine();

//SqlCommand thisCommand = thisConnection.CreateCommand();
//thisCommand.CommandText = "update stu set snm='haha' where id=120";
////Inset,Update,Delelte的数据修改操作也不返回任何数据，
////我们对这些命令感兴趣的是修改操作影响的行数，可以用ExecuteNonQuery()方法
//int rowsAffected = thisCommand.ExecuteNonQuery();
//Console.WriteLine("Rows Updated={0}", rowsAffected);
//thisConnection.Close();
//Console.ReadLine();
//SqlCommand thisCommand = thisConnection.CreateCommand();
//thisCommand.CommandText = "select * from stu FOR XML AUTO,root('RPG')";
////Inset,Update,Delelte的数据修改操作也不返回任何数据，
////我们对这些命令感兴趣的是修改操作影响的行数，可以用ExecuteNonQuery()方法
//XmlReader xml = thisCommand.ExecuteXmlReader();
//XmlDocument xmltext = new XmlDocument();
//xmltext.Load(xml);
//while (xml.Read())
//{
//   Console.Write("Element: " + xml.Name);
//   if (xml.HasAttributes)
//   {
//      for (int i = 0; i < xml.AttributeCount; i++)
//      {
//         xml.MoveToAttribute(i);
//         Console.Write("  {0}: {1}", xml.Name, xml.Value);
//      }
//      xml.MoveToElement();
//   }
//}
//Console.WriteLine(xmltext.InnerXml);
//thisConnection.Close();
//Console.ReadLine();
/***
//// 存储过程------------------------------
SqlCommand thisCommand = thisConnection.CreateCommand();
//命令类型为存储过程
thisCommand.CommandType = CommandType.StoredProcedure;
//存储过程名称
thisCommand.CommandText = "Ten Most Expensive Products";
//执行存储过程
SqlDataReader thisReader = thisCommand.ExecuteReader();
//显示结果
while (thisReader.Read())
{
Console.WriteLine("/t{0}/t{1}", thisReader["TenMostExpensiveProducts"], thisReader["UnitPrice"]);
}
thisReader.Close();
thisConnection.Close();
Console.ReadLine();
* ***/
//SqlCommand thisCommand = thisConnection.CreateCommand();
////命令类型为存储过程
//thisCommand.CommandType = CommandType.StoredProcedure;
////存储过程名称
//thisCommand.CommandText = "GetAll";
////执行存储过程
//SqlDataReader thisReader = thisCommand.ExecuteReader();
////显示结果
//while (thisReader.Read())
//{
//   Console.WriteLine("/t{0}/t{1}", thisReader["TenMostExpensiveProducts"], thisReader["UnitPrice"]);
//}
//thisReader.Close();
//thisConnection.Close();
//Console.ReadLine();

}
}
}