DAL/shipmentOrderItem.cs

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using System;
using System.Data;
using System.Text;
using System.Data.OleDb;
using Maticsoft.DBUtility;
using Maticsoft.Common;//Please add references
namespace Maticsoft.DAL
{
	/// <summary>
	/// 数据访问类:shipmentOrderItem
	/// </summary>
	public partial class shipmentOrderItem
	{
		public shipmentOrderItem()
		{}
		#region  BasicMethod


        /// <summary>
        /// 分页获取数据列表
        /// </summary>
        public DataSet GetListByPagePeiJinTongji(string orderby, int startIndex, int endIndex)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("SELECT modelNumber AS 汽车型号, SUM([number]) AS 出售数量, partName AS 配件名称," +
          "SUM([number] * partPrice) AS 出售金额, COUNT(repertoryItemID) AS 出售次数" +
          " FROM shipmentOrderItem " +
           " GROUP BY modelNumber, repertoryItemID, partName");
            return DbHelperOleDb.Query(PagingHelper.CreatePagingSql(GetRecordCountPeiJinTongji(), startIndex, endIndex, strSql.ToString(), " 出售次数 desc "));
        }

        public int GetRecordCountPeiJinTongji()
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("select count(1) from (SELECT modelNumber AS 汽车型号, SUM([number]) AS 出售数量, partName AS 配件名称," +
              "SUM([number] * partPrice) AS 出售金额, COUNT(repertoryItemID) AS 出售次数" +
              " FROM shipmentOrderItem " +
               " GROUP BY modelNumber, repertoryItemID, partName)");
            object obj = DbHelperOleDb.GetSingle(strSql.ToString());
            if (obj == null)
            {
                return 0;
            }
            else
            {
                return Convert.ToInt32(obj);
            }
        }

		/// <summary>
		/// 得到最大ID
		/// </summary>
		public int GetMaxId()
		{
		return DbHelperOleDb.GetMaxID("id", "shipmentOrderItem"); 
		}

		/// <summary>
		/// 是否存在该记录
		/// </summary>