student.cs

学生成绩管理系统 内有软件安装说明带论文源码齐全 结合ASP+数据库完美结合

using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;

namespace TeachHelper.BusinessLogicLayer
{
    /// <summary>
    /// Summary description for Student
    /// </summary>
    public class Student
    {
        private string _studentNum;

        public string StudentNum
        {
            get { return _studentNum; }
            set { _studentNum = value; }
        }

        public Student(string userName)
        {
            this.StudentNum = userName;
        }

        public Student()
        {
            this.StudentNum = Membership.GetUser().UserName;
        }

        public int DepartmentId
        {
            get { return GetDepartmentId(this.StudentNum); }
        }

        public int Grade
        {
            get { return GetGrade(this.StudentNum); }
        }

        public int MajorId
        {
            get { return GetMajorId(this.StudentNum); }
        }

        public int Classes
        {
            get { return GetClass(this.StudentNum); }
        }

        public int Seat
        {
            get { return GetSeat(this.StudentNum); }
        }

        public static int GetDepartmentId(string studentNum)
        {
            return Convert.ToInt32(studentNum.Substring(4, 3));
        }

        public static int GetGrade(string studentNum)
        {
            int year = Convert.ToInt32(studentNum.Substring(0, 4));
            return DateTime.Today.Year - year;
        }

        public static int GetMajorId(string studentNum)
        {
            return Convert.ToInt32(studentNum.Substring(7, 3));
        }

        public static int GetClass(string studentNum)
        {
            return Convert.ToInt32(studentNum.Substring(10, 3));
        }

        public static int GetSeat(string studentNum)
        {
            return Convert.ToInt32(studentNum.Substring(13, 3));
        }

    }
}