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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
    {
        //»ñÈ¡Êý¾Ý¿âÁ¬½Ó×Ö·û´®£¬ÆäÊôÓÚ¾²Ì¬±äÁ¿ÇÒÖ»¶Á£¬ÏîÄ¿ÖÐËùÓÐÎĵµ¿ÉÒÔÖ±½ÓʹÓ㬵«²»ÄÜÐÞ¸Ä
        public static readonly string Getcon = ConfigurationManager.ConnectionStrings["con"].ConnectionString;
        // ¹þÏ£±íÓÃÀ´´æ´¢»º´æµÄ²ÎÊýÐÅÏ¢£¬¹þÏ£±í¿ÉÒÔ´æ´¢ÈÎÒâÀàÐ͵IJÎÊý¡£
        private static Hashtable parmCache = Hashtable.Synchronized(new Hashtable());
        /// <summary>
        ///Ö´ÐÐÒ»¸ö²»ÐèÒª·µ»ØÖµµÄSqlCommandÃüÁͨ¹ýÖ¸¶¨×¨ÓõÄÁ¬½Ó×Ö·û´®¡£
        /// 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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