Student/BLL/Student_Course.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>
    ///	课程信息表
    ///	BLL逻辑层 Student_Course
    /// 主要完成对DAL层的调用
    ///	2013-03-04 10:49:50
	/// </summary>
	public class CourseBLL
	{
		/// <summary>
        /// 全局变量
        /// </summary>
        private static	CourseDAL DAL = CourseDAL.GetInstance();
		/// <summary>
        /// 增加一条记录
        /// </summary>
        /// <param name="model">类实体</param>
        /// <returns></returns>
		public static int AddCourse(Model.Course model)
		{
			return DAL.AddCourse( model);
		}
		/// <summary>
		/// 更新一条数据
		/// </summary>
		/// <param name="model">类实体</param>
		/// <returns></returns>
		public static bool UpdateCourse(Model.Course model)
		{
			return DAL.UpdateCourse(model);
		}
		/// <summary>
		/// 删除一条数据
		/// </summary>
		public  static bool DeleteCourse(int CourseID)
		{
			return DAL.DeleteCourse(CourseID);
		}
		/// <summary>
		/// 批量删除一批数据
		/// </summary>
		public static bool DeleteCourseList(string CourseIDlist )
		{
			return DAL.DeleteCourseList( CourseIDlist );
		}
		/// <summary>
        /// 根据CourseID获取一条数据