C#²Ù×÷¸÷ÖÖÖ´ÐÐsqlµÄ·½·¨º¬´æ´¢¹ý³Ì²Ù×÷

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;
//Ìí¼ÓÊäÈë²éѯ²ÎÊý¡¢¸³ÓèÖµ
myCommand.Parameters.Add("@id", SqlDbType.Int);
myCommand.Parameters["@id"].Value = "120";
//Ìí¼ÓÊä³ö²ÎÊý
myCommand.Parameters.Add("@Rowcount", SqlDbType.Int);
myCommand.Parameters["@Rowcount"].Direction = ParameterDirection.Output;
myCommand.ExecuteNonQuery();
//µÃµ½´æ´¢¹ý³ÌÊä³ö²ÎÊý
Console.WriteLine(" ´æ´¢¹ý³ÌµÄ²ÎÊý"+ myCommand.Parameters["@Rowcount"].Value.ToString());
thisConnection.Close();
Console.ReadLine();

//SqlCommand thisCommand = thisConnection.CreateCommand();
//thisCommand.CommandText = "select count(*) from stu";
////ExecuteScalar£ºÖ´ÐÐÖ»·µ»ØÒ»¸öÖµµÄSQLÃüÁî¡£
//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,DelelteµÄÊý¾ÝÐ޸IJÙ×÷Ò²²»·µ»ØÈκÎÊý¾Ý£¬
////ÎÒÃǶÔÕâЩÃüÁî¸ÐÐËȤµÄÊÇÐ޸IJÙ×÷Ó°ÏìµÄÐÐÊý£¬¿ÉÒÔÓÃExecuteNonQuery()·½·¨
//int rowsAffected = thisCommand.ExecuteNonQuery();
//Console.WriteLine("Rows Updated={0}", rowsAffected);
//thisConnection.