Dal/DLinkSort.cs

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Data;
using Model;
using System.Data.SqlClient;

namespace Dal
{
   public class DLinkSort
    {
        /// <summary>
        /// 获取数据列表
        /// </summary>
        /// <returns></returns>
        public DataTable GetList(string Orderstr)
        {
            return OLEDBHelper.FileDataTable("Select * from linkSort order by LS_Order asc " + Orderstr, null, CommandType.Text);
        }
      
        public DataTable GetLists(string Where)
        {
            if (string.IsNullOrEmpty(Where))
            {
                Where = "1=1";
            }
            StringBuilder strSql = new StringBuilder();
            strSql.Append("select * ");
            strSql.Append(" FROM linkSort Where " + Where + " order by PS_Order asc");

            return OLEDBHelper.FileDataTable(strSql.ToString(), null, CommandType.Text);
        }
        /// <summary>
        /// 获取最大ID值
        /// </summary>
        /// <returns></returns>
        public int GetMaxId()
        {
            return int.Parse(OLEDBHelper.ExeScalar("select Max(LS_Id) from linkSort", null, CommandType.Text));
        }

        public int GetMaxOrder()
        {
            return int.Parse(OLEDBHelper.ExeScalar("select Max(LS_Order) from linkSort",null,CommandType.Text));
        }
        /// <summary>
        /// 得到一个对象实体
        /// </summary>
        public MLinkSort GetModel(int NS_Id)
        {

            StringBuilder strSql = new StringBuilder();
            strSql.Append("select  top 1 LS_Id,LS_Name,LS_Parentid,LS_Order,LS_Address,LS_Memo,LS_Power,LS_Date,LS_Keywords,LS_Description,LS_Abstract,LS_Dep,LS_Stop from LinkSort ");   
            strSql.Append(" where LS_Id=@LS_Id ");
            SqlParameter[] parameters = {
					new SqlParameter("@LS_Id", SqlDbType.Int,4)};
            parameters[0].Value = NS_Id;