DAL/ProductTypeInfo.cs

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

        /// <summary>
        /// 获得数据列表
        /// </summary>
        public DataSet GetTopList(int Top, string strWhere)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("select top " + Top .ToString()+ " E_ProductTypeID,E_ProductTypeName,E_OrderNum,IsLock ");
            strSql.Append(" FROM ProductTypeInfo ");
            if (strWhere.Trim() != "")
            {
                strSql.Append(" where " + strWhere);
            }
            return DbHelperOleDb.Query(strSql.ToString());
        }

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

		/// <summary>
		/// 是否存在该记录
		/// </summary>
		public bool Exists(int E_ProductTypeID)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("select count(1) from ProductTypeInfo");
			strSql.Append(" where E_ProductTypeID=@E_ProductTypeID");
			OleDbParameter[] parameters = {
					new OleDbParameter("@E_ProductTypeID", OleDbType.Integer,4)
			};
			parameters[0].Value = E_ProductTypeID;

			return DbHelperOleDb.Exists(strSql.ToString(),parameters);
		}


		/// <summary>
		/// 增加一条数据
		/// </summary>
		public bool Add(Maticsoft.Model.ProductTypeInfo model)