DAL/MachineInfoService.cs

这里只显示每个文件的开头 60 行。登录后可以解锁完整代码。

微信扫码关注公众号，代码整理好后第一时间通知你。

using System;
using System.Data;
using System.Text;
using System.Data.SqlClient;

namespace DAL
{
	/// <summary>
	/// 数据访问类:MachineInfoService
	/// </summary>
	public partial class MachineInfoService
	{
		public MachineInfoService()
		{}
		#region  BasicMethod
        /// <summary>
        /// 更新顺序号
        /// </summary>
        /// <param name="id"></param>
        /// <param name="num"></param>
        /// <returns></returns>
        public static int UpdateOrderNum(int id,int num) 
        {
            string sql = "update MachineInfo set infoType = " + num + " where id = " + id;
            return DBHelperSQL.ExecuteSql(sql);
        }
        /// <summary>
        /// 获取最大顺序号
        /// </summary>
        /// <returns></returns>
        public static int GetMaxOrderNum() 
        {
            string sql = "select top 1 max(infoType) from MachineInfo";
            object obj = DBHelperSQL.GetSingle(sql);
            if(obj != null)
            {
                return Convert.ToInt32(obj);
            }
            return 0;
        }
        /// <summary>
        /// /更新推荐状态
        /// </summary>
        /// <param name="id"></param>
        /// <param name="num"></param>
        /// <returns></returns>
        public static int UpdateStatus(int id,int num) 
        {
            string sql = "update MachineInfo set status = " + num + " where id = " + id;
            return DBHelperSQL.ExecuteSql(sql);
        }
		/// <summary>
		/// 是否存在该记录
		/// </summary>
        public static bool Exists(int id)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("select count(1) from MachineInfo");
			strSql.Append(" where id=@id");
			SqlParameter[] parameters = {