DAL/TrusteeShipInfoService.cs

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

namespace DAL
{
	/// <summary>
	/// 数据访问类:TrusteeShipInfoService
	/// </summary>
	public partial class TrusteeShipInfoService
	{
		public TrusteeShipInfoService()
		{}
		#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 TrusteeShipInfo 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 TrusteeShipInfo";
            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 TrusteeShipInfo 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 TrusteeShipInfo");
			strSql.Append(" where id=@id");