asp.netÁ¬½ÓsqlÓõÄSqlHelper
using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Collections;
using System.Data.SqlClient;
namespace DAL
{
/// <summary>
/// Êý¾Ý¿âµÄͨÓ÷ÃÎÊ´úÂë
/// ´ËÀàΪ³éÏóÀ࣬²»ÔÊÐíʵÀý»¯£¬ÔÚÓ¦ÓÃʱֱ½Óµ÷Óü´¿É
/// </summary>
public class SqlHelper
{
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public static readonly string Getcon = ConfigurationManager.ConnectionStrings["con"].ConnectionString;
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private static Hashtable parmCache = Hashtable.Synchronized(new Hashtable());
/// <summary>
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/// ʹÓòÎÊýÊý×éÐÎʽÌṩ²ÎÊýÁбí
/// </summary>
/// <remarks>
/// ʹÓÃʾÀý£º
/// int result = ExecuteNonQuery(connString, CommandType.StoredProcedure, "PublishOrders", new SqlParameter("@prodid", 24));
/// </remarks>
/// <param name="connectionString">Ò»¸öÓÐЧµÄÊý¾Ý¿âÁ¬½Ó×Ö·û´®</param>
/// <param name="commandType">SqlCommandÃüÁîÀàÐÍ (´æ´¢¹ý³Ì£¬ T-SQLÓï¾ä£¬ µÈµÈ¡£)</param>
/// <param name="commandText">´æ´¢¹ý³ÌµÄÃû×Ö»òÕß T-SQL Óï¾ä</param>
&
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if object_id('tb') is not null drop table tb
go
create table tb([A] varchar(10),[B] int)
insert tb
select 'bcd',1 union all
select 'bcde',2 union all
select 'cd',3
go
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if object_id('a') is not null
drop table a
create table a
(
bm varchar(20), --±àÂë
ck varchar(2), &n ......
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