Student/BLL/Student_Class.cs

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

using Student.Model;
using Student.DAL;


namespace Student
{

    /// <summary>
    ///	班级信息表	
    ///	BLL逻辑层 Student_Class
    /// 主要完成对DAL层的调用
    ///	2013-03-04 10:49:48
    /// </summary>
    public class ClassBLL
    {
        /// <summary>
        /// 全局变量
        /// </summary>
        private static ClassDAL DAL = ClassDAL.GetInstance();
        /// <summary>
        /// 增加一条记录
        /// </summary>
        /// <param name="model">类实体</param>
        /// <returns></returns>
        public static int AddClass(Model.Class model)
        {
            return DAL.AddClass(model);
        }
        /// <summary>
        /// 更新一条数据
        /// </summary>
        /// <param name="model">类实体</param>
        /// <returns></returns>
        public static bool UpdateClass(Model.Class model)
        {
            return DAL.UpdateClass(model);
        }
        /// <summary>
        /// 删除一条数据
        /// </summary>
        public static bool DeleteClass(int ClassID)
        {
            return DAL.DeleteClass(ClassID);
        }
        /// <summary>
        /// 批量删除一批数据
        /// </summary>
        public static bool DeleteClassList(string ClassIDlist)
        {
            return DAL.DeleteClassList(ClassIDlist);
        }
        /// <summary>
        /// 根据ClassID获取一条数据