catogorybussiness.cs

ASP.NET 2.0动态网站设计实例源代码,本书介绍了ASP.NET2.0的基础知识

///////////////////////////////////////////////////////////
//  CatogoryBussiness.cs
//  Implementation of the Class CatogoryBussiness
//  Generated by Enterprise Architect
//  Created on:      13-五月-2006 19:53:13
///////////////////////////////////////////////////////////




using BookShop.Entity;
using BookShop.DataAccess;
using System.Data;
using System;

namespace BookShop.Bussiness
{
  /// <summary>
  /// 与分类有关的业务层操作
  /// </summary>
  public class CatogoryBussiness
  {

    public CatogoryBussiness()
    {

    }

    ~CatogoryBussiness()
    {

    }

    public virtual void Dispose()
    {

    }

    /// <summary>
    /// 添加分类
    /// </summary>
    /// <param name="catagory"></param>
    public bool AddCatagory(CatagoryEntity catagory)
    {
      return new CatagoryAccess().AddCategory(catagory);
    }

    /// <summary>
    /// 删除分类
    /// </summary>
    /// <param name="catagory"></param>
    public bool DeleteCatagory(CatagoryEntity catagory)
    {
      return new CatagoryAccess().DelteCatagory(catagory);
    }

    /// <summary>
    /// 根据ID获取分类内容
    /// </summary>
    /// <param name="catagory"></param>
    public bool GetCatagoryByID(ref CatagoryEntity catagory)
    {

      DataSet ds = new CatagoryAccess().GetCatagoryByID(catagory);
      if (ds.Tables[0].Rows.Count == 0)
        return false;
      else
      {
        catagory.CatagoryName = Convert.ToString(ds.Tables[0].Rows[0]["CtName"]);
        if (!Convert.IsDBNull(ds.Tables[0].Rows[0]["CtParentID"]))
          catagory.ParentID = Convert.ToInt32(ds.Tables[0].Rows[0]["CtParentID"]);
        return true;
      }
    }

    /// <summary>
    /// 根据父ID获取子分类列表
    /// </summary>
    /// <param name="parentID"></param>
    public DataTable GetCatagoryByParentID(int parentID)
    {
      return new CatagoryAccess().GetCatagoryByParentID(parentID);
    }

    /// <summary>
    /// 获取根分类列表
    /// </summary>
    public DataTable GetRootCatagory()
    {
      return new CatagoryAccess().GetRootCatagory();
    }

    /// <summary>
    /// 修改分类
    /// </summary>
    /// <param name="catagory"></param>
    public bool ModifyCatagory(CatagoryEntity catagory)
    {
      return new CatagoryAccess().ModifyCatagory(catagory);
    }

    /// <summary>
    /// 根据货物ID获取分类ID
    /// </summary>
    public CatagoryEntity GetCatagoryByGoodsID(int p)
    {
      DataTable dtCate = new CatagoryAccess().GetCatagoryByGoodsID(p);
      if (dtCate.Rows.Count != 0)
      {
        CatagoryEntity cate = new CatagoryEntity();
        cate.CatagoryID = Convert.ToInt32(dtCate.Rows[0]["CtID"]);
        cate.CatagoryName = dtCate.Rows[0]["CtName"].ToString();
        cate.ParentID = Convert.ToInt32(dtCate.Rows[0]["CtParentID"]);
        return cate;
      }
      else
      {
        return null;
      }
    }
  }//end CatogoryBussiness

}//end namespace Bussiness